Dr Kevin Gallacher

  • Research Associate (Electronic & Nanoscale Engineering)

Publications

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Jump to: 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012
Number of items: 67.

2019

Bashir, A., Millar, R. W., Gallacher, K., Paul, D. J. , Darbal, A. D., Stroud, R., Ballabio, A., Frigerio, J., Isella, G. and MacLaren, I. (2019) Strain analysis of Ge micro disk using precession electron diffraction. arXiv, (Unpublished)

Fischer, M. P., Gallacher, K., Frigerio, J., Pellegrini, G., Isella, G., Leitenstorfer, A., Paul, D. J. , Biagioni, P. and Brida, D. (2019) Field-Resolved Detection of the Temporal Response of a Mid-Infrared Plasmonic Antenna. CLEO: QELS_Fundamental Science 2019, San Jose, CA, USA, 05-10 May 2019. ISBN 9781943580576

Gallacher, K., Sinclair, M., Millar, R.W., Sharp, O., Mirando, F., Ternent, G., Mills, G., Casey, B. and Paul, D.J. (2019) Integrated DFB Lasers on Si3N4 Photonic Platform for Chip-Scale Atomic Systems. CLEO: Science and Innovations 2019, San Jose, CA, USA, 05-10 May 2019. ISBN 9781943580576

Griškevičiūtė, U., Millar, R.W., Gallacher, K., Baldassarre, L., Sorel, M., Ortolani, M. and Paul, D.J. (2019) Fingerprint Mid-Infrared Sensing With Germanium on Silicon Waveguides. CLEO: Science and Innovations 2019, San Jose, CA, USA, 05-10 May 2019. ISBN 9781943580576

Millar, R. W., Gallacher, K., Griskeviciute, U., Baldassarre, L., Sorel, M., Ortolani, M. and Paul, D. J. (2019) Low Loss Germanium-on-Silicon Waveguides for Integrated Mid-Infrared Photonics. In: SPIE OPTO 2019, San Francisco, CA, USA, 02-07 Feb 2019, 109230S. (doi:10.1117/12.2510009)

Gallacher, K., Millar, R. W., Griskevivuite, U., Baldassarre, L., Sorel, M., Ortolani, M. and Paul, D. J. (2019) TuA4.1 - Mid-infrared Sensing with Ge on Si Waveguides (Invited). In: 2019 IEEE Photonics Society Summer Topical Meeting Series (SUM), Ft. Lauderdale, FL, USA, 08-10 Jul 2019, ISBN 9781728105970 (doi:10.1109/PHOSST.2019.8795039)

2018

Fischer, M. P. et al. (2018) Plasmonic mid-infrared third harmonic generation in germanium nanoantennas. Light: Science and Applications, 7(1), 106. (doi:10.1038/s41377-018-0108-8)

Gallacher, K., Millar, R.W., Griškevičiūte, U., Baldassarre, L., Sorel, M., Ortolani, M. and Paul, D.J. (2018) Low loss Ge-on-Si waveguides operating in the 8–14 µm atmospheric transmission window. Optics Express, 26(20), pp. 25667-25675. (doi:10.1364/OE.26.025667)

Pellegrini, G., Baldassarre, L., Giliberti, V., Frigerio, J., Gallacher, K., Paul, D. J. , Isella, G., Ortolani, M. and Biagioni, P. (2018) Benchmarking the use of heavily-doped Ge for plasmonics and sensing in the mid-infrared. ACS Photonics, 5(9), pp. 3601-3607. (doi:10.1021/acsphotonics.8b00438)

Bashir, A. et al. (2018) Interfacial sharpness and intermixing in a Ge-SiGe multiple quantum well structure. Journal of Applied Physics, 123(3), 035703. (doi:10.1063/1.5001158)

Gallacher, K. et al. (2018) Components for Integrated Ge on Si for Mid-Infrared Photonic Sensors. In: 2018 IEEE Photonics Society Summer Topical Meeting Series (SUM), Waikoloa Village, HI, USA, 09-11 Jul 2018, pp. 177-178. ISBN 9781538653432 (doi:10.1109/PHOSST.2018.8456761)

Gallacher, K., Millar, R. W., Paul, D. J. , Mirando, F., Ternent, G., Mills, G. and Casey, B. (2018) Distributed Feedback Lasers Operating at 780 nm Wavelength Integrated on Si Substrates for Chip-scale Atomic Systems. In: 2018 IEEE 15th International Conference on Group IV Photonics (GFP), Cancun, Mexico, 29-31 Aug 2018, pp. 67-68. ISBN 9781538653616 (doi:10.1109/GROUP4.2018.8478720)

Ghisetti, E. A., Dumas, D., Kirdoda, J., Gallacher, K., Millar, R. W., Mirza, M. M.A. and Paul, D. J. (2018) Germanium on Silicon Single Photon Avalanche Detectors Using Silicon-on-Insulator Substrates. Integrated Optics: Devices, Materials, and Technologies XXII, San Francisco, CA, USA, 29 Jan - 01 Feb 2018. (doi:10.1117/12.2290403)

Millar, R.W., Gallacher, K., Griskeviciute, U., Paul, D.J. , Baldassarre, L. and Ortolani, M. (2018) Ge-on-Si Mid-Infrared Waveguides Operating up to 11 μm Wavelength. In: 2018 IEEE 15th International Conference on Group IV Photonics (GFP), Cancun, Mexico, 29-31 Aug 2018, pp. 137-138. ISBN 9781538653616 (doi:10.1109/GROUP4.2018.8478757)

2017

Millar, R.W., Dumas, D.C.S., Gallacher, K., Jahandar, P., Myronov, M. and Paul, D.J. (2017) Tensile Strained GeSn Mid-Infrared Light Emitters. In: 2017 IEEE 14th International Conference on Group IV Photonics (GFP), Berlin, Germany, 23-25 Aug 2017, pp. 49-50. ISBN 9781509065677 (doi:10.1109/GROUP4.2017.8082190)

Frigerio, J. et al. (2017) Optical properties of highly n-doped germanium obtained by in situ doping and laser annealing. Journal of Physics D: Applied Physics, 50(46), 465103. (doi:10.1088/1361-6463/aa8eca)

Millar, R.W., Dumas, D.C.S., Gallacher, K.F., Jahandar, P., MacGregor, C., Myronov, M. and Paul, D.J. (2017) Mid-infrared light emission > 3 µm wavelength from tensile strained GeSn microdisks. Optics Express, 25(21), pp. 25374-25385. (doi:10.1364/OE.25.025374) (PMID:29041205)

Paul, D. J. et al. (2017) n-Ge on Si for Mid-Infrared Plasmonic Sensors. In: IEEE Photonics Society Summer Topical Meeting Series (SUM 2017), San Juan, Puerto Rico, 10-12 Jul 2017, pp. 125-126. ISBN 9781509065714 (doi:10.1109/PHOSST.2017.8012682)

Fischer, M. P. et al. (2017) Mid-Infrared Third-Harmonic Emission from Heavily-Doped Germanium Plasmonic Nanoantennas. In: CLEO: QLES_Fundamental Science 2017, San Jose, CA, USA, 14-19 May 2017, FF1G.2. ISBN 9781943580279 (doi:10.1364/CLEO_QELS.2017.FF1G.2)

Fischer, M. P. et al. (2017) Germanium Nanoantennas for Plasmon-enhanced Third Harmonic Generation in the Mid Infrared. In: CLEO/Europe - EQEC 2017, Munich, Germany, 25-29 Jun 2017, ISBN 9781509067367 (doi:10.1109/CLEOE-EQEC.2017.8087670)

Frigerio, J. et al. (2017) Heavily-doped Germanium on Silicon with Activated Doping Exceeding 1020 cm−3 as an Alternative to Gold for Mid-infrared Plasmonics. In: 2017 IEEE 14th International Conference on Group IV Photonics (GFP), Berlin, Germany, 23-25 Aug 2017, pp. 9-10. ISBN 9781509065684 (doi:10.1109/GROUP4.2017.8082170)

Gallacher, K. et al. (2017) Germanium-on-silicon Waveguides for Mid-infrared Photonic Sensing Chips. In: 2017 IEEE 14th International Conference on Group IV Photonics (GFP), Berlin, Germany, 23-25 Aug 2017, pp. 63-64. ISBN 9781509065684 (doi:10.1109/GROUP4.2017.8082197)

Gallacher, K. et al. (2017) Mid-infrared n-Ge on Si Plasmonic Based Microbolometer Sensors. In: 2017 IEEE 14th International Conference on Group IV Photonics (GFP), Berlin, Germany, 23-25 Aug 2017, pp. 3-4. ISBN 9781509065684 (doi:10.1109/GROUP4.2017.8082167)

Gallacher, K., Sorgi, A., Giliberti, V., Frigerio, J., Isella, G., Biagioni, P., Paul, D. J. , Ortolani, M. and Baldassarre, L. (2017) Integrated Germanium-on-silicon Waveguides for Mid-infrared Photonic Sensing Chips. In: 2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Cancun, Mexico, 27 Aug - 01 Sep 2017, ISBN 9781509060504 (doi:10.1109/IRMMW-THz.2017.8067105)

2016

Baldassarre, L. et al. (2016) Mid-Infrared Plasmonic Platform Based on n-Doped Ge-on-Si: Molecular Sensing with Germanium Nano-Antennas on Si. In: 41st International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2016), Copenhagen, Denmark, 25-30 Sept 2016, ISBN 9781467384858 (doi:10.1109/IRMMW-THz.2016.7758725)

Fischer, M. P. et al. (2016) Germanium Plasmonic Nanoantennas for Third-Harmonic Generation in the Mid Infrared. In: 41st International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2016), Copenhagen, Denmark, 25-30 Sept 2016, ISBN 9781467384858 (doi:10.1109/IRMMW-THz.2016.7758692)

Gallacher, K., Millar, R.W., Ballabio, A., Frigerio, J., Bashir, A., MacLaren, I. , Isella, G., Ortolani, M. and Paul, D.J. (2016) Mid-Infrared Intersubband Absorption from P-Ge Quantum Wells on Si. In: 41st International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2016), Copenhagen, Denmark, 25-30 Sept 2016, ISBN 9781467384858 (doi:10.1109/IRMMW-THz.2016.7758421)

Pellegrini, G., Baldassarre, L., Giliberti, V., Frigerio, J., Gallacher, K., Paul, D. J. , Isella, G., Ortolani, M. and Biagioni, P. (2016) Benchmarking the Use of Heavily-Doped Ge Against Noble Metals for Plasmonics and Sensing in the Mid-Infrared. In: 41st International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2016), Copenhagen, Denmark, 25-30 Sept 2016, ISBN 9781467384858 (doi:10.1109/IRMMW-THz.2016.7758628)

Gallacher, K., Ballabio, A., Millar, R.W., Frigerio, J., Bashir, A., MacLaren, I. , Isella, G., Ortolani, M. and Paul, D. J. (2016) Intersubband Absorption in p-Ge QWs on Si. In: IEEE 13th International Conference on Group IV Photonics, Shanghai, China, 24-26 Aug 2016, pp. 30-31. ISBN 9781509019038 (doi:10.1109/GROUP4.2016.7739130)

Baldassarre, L. et al. (2016) Mid-infrared sensing using heavily doped germanium plasmonics on silicon substrates. ECS Transactions, 75(8), pp. 247-251. (doi:10.1149/07508.0247ecst)

Ferre Llin, L. et al. (2016) The use of silicon-germanium superlattices for thermoelectric devices and microfabricated generators. ECS Transactions, 75(8), pp. 469-478. (doi:10.1149/07508.0469ecst)

Gallacher, K., Ballabio, A., Millar, R., Frigerio, J., Bashir, A., MacLaren, I. , Isella, G., Ortolani, M. and Paul, D. J. (2016) Mid-infrared intersubband absorption from p-Ge quantum wells grown on Si substrates. ECS Transactions, 75(8), pp. 253-256. (doi:10.1149/07508.0253ecst)

Millar, R., Gallacher, K., Frigerio, J., Ballabio, A., Bashir, A., MacLaren, I. , Isella, G. and Paul, D. J. (2016) Engineering large in-plane tensile strains in Ge microdisks, microrings and racetrack optical cavities. ECS Transactions, 75(8), pp. 633-640. (doi:10.1149/07508.0633ecst)

Frigerio, J. et al. (2016) Tunability of the dielectric function of heavily doped germanium thin films for mid-infrared plasmonics. Physical Review B, 94(8), 085202. (doi:10.1103/PhysRevB.94.085202)

Pezzoli, F. et al. (2016) Disentangling nonradiative recombination processes in Ge micro-crystals on Si substrates. Applied Physics Letters, 108, 262103. (doi:10.1063/1.4955020)

Gallacher, K. et al. (2016) Ge-on-Si photonics for mid-infrared sensing applications. MRS Advances, 1(48), pp. 3269-3279. (doi:10.1557/adv.2016.391)

Millar, R.W., Gallacher, K., Frigerio, J., Ballabio, A., Bashir, A., MacLaren, I. , Isella, G. and Paul, D.J. (2016) Analysis of Ge micro-cavities with in-plane tensile strains above 2%. Optics Express, 24(5), pp. 4365-4374. (doi:10.1364/OE.24.004365)

Millar, R.W., Gallacher, K., Samarelli, A., Frigerio, J., Chrastina, D., Dieing, T., Isella, G. and Paul, D.J. (2016) Expanding the Ge emission wavelength to 2.25 μm with SixNy strain engineering. Thin Solid Films, 602, pp. 60-63. (doi:10.1016/j.tsf.2015.07.017)

Samarelli, A., Frigerio, J., Sakat, E., Baldassarre, L., Gallacher, K., Finazzi, M., Isella, G., Ortolani, M., Biagioni, P. and Paul, D.J. (2016) Fabrication of mid-infrared plasmonic antennas based on heavily doped germanium thin films. Thin Solid Films, 602, pp. 52-55. (doi:10.1016/j.tsf.2015.10.005)

Gallacher, K., Ballabio, A., Millar, R.W., Frigerio, J., Bashir, A., MacLaren, I. , Isella, G., Ortolani, M. and Paul, D.J. (2016) Mid-infrared intersubband absorption from p-Ge quantum wells grown on Si substrates. Applied Physics Letters, 108(9), 091114. (doi:10.1063/1.4943145)

2015

Baldassarre, L., Sakat, E., Frigerio, J., Samarelli, A., Gallacher, K., Calandrini, E., Isella, G., Paul, D. J. , Ortolani, M. and Biagioni, P. (2015) Midinfrared plasmon-enhanced spectroscopy with germanium antennas on silicon substrates. Nano Letters, 15(11), pp. 7225-7231. (doi:10.1021/acs.nanolett.5b03247) (PMID:26457387)

Frigerio, J. et al. (2015) Heavily phosphorous-doped Germanium thin films for mid-infrared plasmonics. 2015 IEEE 12th International Conference on Group IV Photonics (GFP), Vancouver, Canada, 26-28 Aug 2015. pp. 94-95. ISBN 9781479982554 (doi:10.1109/Group4.2015.7305964)

Millar, R.W., Gallacher, K., Frigerio, J., Chrastina, D., Isella, G. and Paul, D.J. (2015) Highly strained Ge on Si microdisks with silicon nitride stressors. In: 2015 IEEE 12th International Conference on Group IV Photonics (GFP), Vancouver, Canada, 26-28 Aug 2015, pp. 65-66. ISBN 9781479982547 (doi:10.1109/group4.2015.7305948)

Millar, R.W., Gallacher, K., Samarelli, A., Frigerio, J., Chrastina, D., Isella, G., Dieing, T. and Paul, D.J. (2015) Extending the emission wavelength of Ge nanopillars to 2.25 μm using silicon nitride stressors. Optics Express, 23(14), pp. 18193-18202. (doi:10.1364/OE.23.018193) (PMID:26191877)

Biagioni, P., Sakat, E., Baldassarre, L., Calandrini, E., Samarelli, A., Gallacher, K., Frigerio, J., Isella, G., Paul, D. and Ortolani, M. (2015) Mid-infrared plasmonic resonances exploiting heavily-doped Ge on Si. Proceedings of the SPIE: The International Society for Optical Engineering, 9357, p. 93570. 93570. (doi:10.1117/12.2084500)

Biagioni, P. et al. (2015) Group-IV midinfrared plasmonics. Journal of Nanophotonics, 9(1), 093789. (doi:10.1117/1.JNP.9.093789)

Gallacher, K. et al. (2015) Mid-Infrared Intersubband Absorption in p-Ge/SiGe Quantum Wells Grown on Si. In: 2015 IEEE International Conference on Group IV Photonics (GFP), Vancouver, Canada, 26-28 Aug 2015, pp. 15-16. ISBN 9781479982547 (doi:10.1109/group4.2015.7305931)

Ortolani, M. et al. (2015) Time- and Frequency-Resolved Electrodynamics of Germanium Nanoantennas for Mid-Infrared Plasmonics. In: 40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz), Hong Kong, China, 23-28 Aug 2015, pp. 1-2. (doi:10.1109/IRMMW-THz.2015.7327717)

2014

Dumas, D. C. S., Gallacher, K., Rhead, S., Myronov, M., Leadley, D. R. and Paul, D. J. (2014) Ge/SiGe quantum confined Stark effect electro-absorption modulation with low voltage swing at lambda = 1550 nm. Optics Express, 22(16), pp. 19284-19292. (doi:10.1364/OE.22.019284)

Dumas, D.C.S., Gallacher, K., Rhead, S., Myronov, M., Leadley, D.R. and Paul, D.J. (2014) Ge/SiGe quantum confined Stark effect modulators with low voltage swing at lambda = 1550 nm. In: 2014 IEEE 11th International Conference on Group IV Photonics (GFP),, Paris, France, 27-29 Aug 2014, pp. 245-246. (doi:10.1109/Group4.2014.6961946)

Frigerio, J. et al. (2014) Mid-infrared plasmonic germanium antennas on silicon. In: IEEE 11th International Conference on Group IV Photonics (GFP), Paris, France, 27-29 Aug 2014, pp. 27-28. (doi:10.1109/Group4.2014.6962011)

Millar, R.W., Gallacher, K., Samarelli, A., Dumas, D.C.S., Frigerio, J., Chrastina, D., Isella, G. and Paul, D.J. (2014) Process Induced Tensile Strain of Ge on Si Nanopillars by ICP-PECVD SiN Stressor Layers. In: IEEE 11th International Conference on Group IV Photonics (GFP), Paris, France, 27-29 Aug 2014, pp. 235-236. (doi:10.1109/Group4.2014.6961941)

Dumas, D.C.S., Gallacher, K., Millar, R., MacLaren, I. , Myronov, M., Leadley, D.R. and Paul, D.J. (2014) Silver antimony Ohmic contacts to moderately doped n-type germanium. Applied Physics Letters, 104(16), p. 162101. (doi:10.1063/1.4873127)

Al-Khalidi, A. , Gallacher, K., Khalid, A. , Paul, D. and Wasige, E. (2014) 0.25 Ω-mm Ohmic contacts to AlN/GaN HEMT structure with in-situ SiN passivation. In: 7th Wide Band Gap Semiconductors and Components Workshop, Frascati, Italy, 11-12 Sep 2014,

Baldassarre, L. et al. (2014) Mid-Infrared Plasmonic Platform based on Heavily Doped Epitaxial Ge-on-Si: Retrieving the Optical Constants of Thin Ge Epilayers. In: 2014 39th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz), Tucson, AZ, USA, 14-19 September 2014, ISBN 9781479938773 (doi:10.1109/IRMMW-THz.2014.6956438)

2013

Warburton, R.E. et al. (2013) Ge-on-Si single-photon avalanche diode detectors: design, modeling, fabrication, and characterization at wavelengths 1310 and 1550 nm. IEEE Transactions on Electron Devices, 60(11), pp. 3807-3813. (doi:10.1109/TED.2013.2282712)

Velha, P., Dumas, D., Gallacher, K., Millar, R., Myronov, M., Leadley, D. and Paul, D.J. (2013) Strained germanium nanostructures on silicon emitting at >2.2 µm wavelength. In: 2013 IEEE 10th International Conference on Group IV Photonics (GFP), Seoul, South Korea, 23-30 Aug 2013, pp. 142-143. (doi:10.1109/Group4.2013.6644411)

Intermite, G. et al. (2013) Design and performance of a prototype mesa-geometry Ge-on-Si single-photon avalanche diode detector at 1310 nm and 1550 nm wavelengths. In: IEEE 10th International Conference on Group IV Photonics, Seoul, South Korea, 28-30 Aug 2013, pp. 132-133. (doi:10.1109/Group4.2013.6644406)

2012

Gallacher, K., Velha, P., Paul, D.J. , MacLaren, I. , Myronov, M. and Leadley, D.R. (2012) Ohmic contacts to n-type germanium with low specific contact resistivity. Applied Physics Letters, 100(2), 022113. (doi:10.1063/1.3676667)

Gallacher, K., Velha, P., Paul, D.J. , MacLaren, I. , Myronov, M. and Leadley, D.R. (2012) Low specific ohmic contacts to n-type germanium using a low temperatrue NiGe process. ECS Transactions, 50(9), pp. 1081-1084. (doi:10.1149/05009.1081ecst)

Gallacher, K., Velha, P., Paul, D. , Cecchi, S., Frigerio, J., Chrastina, D. and Isella, G. (2012) 1.55 μm direct bandgap electroluminescence from strained n-Ge quantum wells grown on Si substrates. Applied Physics Letters, 101(21), p. 211101. (doi:10.1063/1.4767138)

Gallacher, K., Velha, P., Paul, D. , Frigerio, J., Chrastina, D. and Isella, G. (2012) 1.55 um electroluminescence from strained n-Ge quantum wells on silicon substrates. In: 2012 IEEE 9th International Conference on Group IV Photonics (GFP), San Diego, CA, 23-31 Aug 2012, (doi:10.1109/GROUP4.2012.6324093)

Kelsall, R.W. et al. (2012) Germanium/silicon heterostructures for terahertz emission. ECS Transactions, 50(9), pp. 763-771.

Velha, P., Gallacher, K., Dumas, D., Paul, D. , Myronov, M. and Leadley, D.R. (2012) Long wavelength > 1.9 um germanium for optoelectronics using process induced strain. ECS Transactions, 50(9), pp. 779-782.

Velha, P., Gallacher, K., Dumas, D., Paul, D.J. , Myronov, M. and Leadley, D.R. (2012) Direct band-gap electroluminescence from strained n-doped Germanium diodes. In: 2012 Conference on Lasers and Electro-Optics (CLEO), San Jose, CA, 6-11 May 2012, pp. 1-2.

Velha, P., Gallacher, K., Dumas, D., Paul, D.J. , Myronov, M. and Leadley, D.R. (2012) Tuning the electroluminescence of n-Ge LEDs using process induced strain. In: 2012 IEEE 9th International Conference on Group IV Photonics (GFP), San Diego, CA, 23-31 Aug 2012, pp. 337-339. (doi:10.1109/GROUP4.2012.6324179)

Velha, P., Gallacher, K., Dumas, D., Paul, D. , Myronov, M. and Leadley, D.R. (2012) Direct Band-gap Electroluminescence from Strained n-Ge Light Emmitting Diodes. ECS Transactions, 50(9), pp. 305-308.

This list was generated on Sat Aug 24 06:59:25 2019 BST.
Number of items: 67.

Articles

Bashir, A., Millar, R. W., Gallacher, K., Paul, D. J. , Darbal, A. D., Stroud, R., Ballabio, A., Frigerio, J., Isella, G. and MacLaren, I. (2019) Strain analysis of Ge micro disk using precession electron diffraction. arXiv, (Unpublished)

Fischer, M. P. et al. (2018) Plasmonic mid-infrared third harmonic generation in germanium nanoantennas. Light: Science and Applications, 7(1), 106. (doi:10.1038/s41377-018-0108-8)

Gallacher, K., Millar, R.W., Griškevičiūte, U., Baldassarre, L., Sorel, M., Ortolani, M. and Paul, D.J. (2018) Low loss Ge-on-Si waveguides operating in the 8–14 µm atmospheric transmission window. Optics Express, 26(20), pp. 25667-25675. (doi:10.1364/OE.26.025667)

Pellegrini, G., Baldassarre, L., Giliberti, V., Frigerio, J., Gallacher, K., Paul, D. J. , Isella, G., Ortolani, M. and Biagioni, P. (2018) Benchmarking the use of heavily-doped Ge for plasmonics and sensing in the mid-infrared. ACS Photonics, 5(9), pp. 3601-3607. (doi:10.1021/acsphotonics.8b00438)

Bashir, A. et al. (2018) Interfacial sharpness and intermixing in a Ge-SiGe multiple quantum well structure. Journal of Applied Physics, 123(3), 035703. (doi:10.1063/1.5001158)

Frigerio, J. et al. (2017) Optical properties of highly n-doped germanium obtained by in situ doping and laser annealing. Journal of Physics D: Applied Physics, 50(46), 465103. (doi:10.1088/1361-6463/aa8eca)

Millar, R.W., Dumas, D.C.S., Gallacher, K.F., Jahandar, P., MacGregor, C., Myronov, M. and Paul, D.J. (2017) Mid-infrared light emission > 3 µm wavelength from tensile strained GeSn microdisks. Optics Express, 25(21), pp. 25374-25385. (doi:10.1364/OE.25.025374) (PMID:29041205)

Baldassarre, L. et al. (2016) Mid-infrared sensing using heavily doped germanium plasmonics on silicon substrates. ECS Transactions, 75(8), pp. 247-251. (doi:10.1149/07508.0247ecst)

Ferre Llin, L. et al. (2016) The use of silicon-germanium superlattices for thermoelectric devices and microfabricated generators. ECS Transactions, 75(8), pp. 469-478. (doi:10.1149/07508.0469ecst)

Gallacher, K., Ballabio, A., Millar, R., Frigerio, J., Bashir, A., MacLaren, I. , Isella, G., Ortolani, M. and Paul, D. J. (2016) Mid-infrared intersubband absorption from p-Ge quantum wells grown on Si substrates. ECS Transactions, 75(8), pp. 253-256. (doi:10.1149/07508.0253ecst)

Millar, R., Gallacher, K., Frigerio, J., Ballabio, A., Bashir, A., MacLaren, I. , Isella, G. and Paul, D. J. (2016) Engineering large in-plane tensile strains in Ge microdisks, microrings and racetrack optical cavities. ECS Transactions, 75(8), pp. 633-640. (doi:10.1149/07508.0633ecst)

Frigerio, J. et al. (2016) Tunability of the dielectric function of heavily doped germanium thin films for mid-infrared plasmonics. Physical Review B, 94(8), 085202. (doi:10.1103/PhysRevB.94.085202)

Pezzoli, F. et al. (2016) Disentangling nonradiative recombination processes in Ge micro-crystals on Si substrates. Applied Physics Letters, 108, 262103. (doi:10.1063/1.4955020)

Gallacher, K. et al. (2016) Ge-on-Si photonics for mid-infrared sensing applications. MRS Advances, 1(48), pp. 3269-3279. (doi:10.1557/adv.2016.391)

Millar, R.W., Gallacher, K., Frigerio, J., Ballabio, A., Bashir, A., MacLaren, I. , Isella, G. and Paul, D.J. (2016) Analysis of Ge micro-cavities with in-plane tensile strains above 2%. Optics Express, 24(5), pp. 4365-4374. (doi:10.1364/OE.24.004365)

Millar, R.W., Gallacher, K., Samarelli, A., Frigerio, J., Chrastina, D., Dieing, T., Isella, G. and Paul, D.J. (2016) Expanding the Ge emission wavelength to 2.25 μm with SixNy strain engineering. Thin Solid Films, 602, pp. 60-63. (doi:10.1016/j.tsf.2015.07.017)

Samarelli, A., Frigerio, J., Sakat, E., Baldassarre, L., Gallacher, K., Finazzi, M., Isella, G., Ortolani, M., Biagioni, P. and Paul, D.J. (2016) Fabrication of mid-infrared plasmonic antennas based on heavily doped germanium thin films. Thin Solid Films, 602, pp. 52-55. (doi:10.1016/j.tsf.2015.10.005)

Gallacher, K., Ballabio, A., Millar, R.W., Frigerio, J., Bashir, A., MacLaren, I. , Isella, G., Ortolani, M. and Paul, D.J. (2016) Mid-infrared intersubband absorption from p-Ge quantum wells grown on Si substrates. Applied Physics Letters, 108(9), 091114. (doi:10.1063/1.4943145)

Baldassarre, L., Sakat, E., Frigerio, J., Samarelli, A., Gallacher, K., Calandrini, E., Isella, G., Paul, D. J. , Ortolani, M. and Biagioni, P. (2015) Midinfrared plasmon-enhanced spectroscopy with germanium antennas on silicon substrates. Nano Letters, 15(11), pp. 7225-7231. (doi:10.1021/acs.nanolett.5b03247) (PMID:26457387)

Millar, R.W., Gallacher, K., Samarelli, A., Frigerio, J., Chrastina, D., Isella, G., Dieing, T. and Paul, D.J. (2015) Extending the emission wavelength of Ge nanopillars to 2.25 μm using silicon nitride stressors. Optics Express, 23(14), pp. 18193-18202. (doi:10.1364/OE.23.018193) (PMID:26191877)

Biagioni, P., Sakat, E., Baldassarre, L., Calandrini, E., Samarelli, A., Gallacher, K., Frigerio, J., Isella, G., Paul, D. and Ortolani, M. (2015) Mid-infrared plasmonic resonances exploiting heavily-doped Ge on Si. Proceedings of the SPIE: The International Society for Optical Engineering, 9357, p. 93570. 93570. (doi:10.1117/12.2084500)

Biagioni, P. et al. (2015) Group-IV midinfrared plasmonics. Journal of Nanophotonics, 9(1), 093789. (doi:10.1117/1.JNP.9.093789)

Dumas, D. C. S., Gallacher, K., Rhead, S., Myronov, M., Leadley, D. R. and Paul, D. J. (2014) Ge/SiGe quantum confined Stark effect electro-absorption modulation with low voltage swing at lambda = 1550 nm. Optics Express, 22(16), pp. 19284-19292. (doi:10.1364/OE.22.019284)

Dumas, D.C.S., Gallacher, K., Millar, R., MacLaren, I. , Myronov, M., Leadley, D.R. and Paul, D.J. (2014) Silver antimony Ohmic contacts to moderately doped n-type germanium. Applied Physics Letters, 104(16), p. 162101. (doi:10.1063/1.4873127)

Warburton, R.E. et al. (2013) Ge-on-Si single-photon avalanche diode detectors: design, modeling, fabrication, and characterization at wavelengths 1310 and 1550 nm. IEEE Transactions on Electron Devices, 60(11), pp. 3807-3813. (doi:10.1109/TED.2013.2282712)

Gallacher, K., Velha, P., Paul, D.J. , MacLaren, I. , Myronov, M. and Leadley, D.R. (2012) Ohmic contacts to n-type germanium with low specific contact resistivity. Applied Physics Letters, 100(2), 022113. (doi:10.1063/1.3676667)

Gallacher, K., Velha, P., Paul, D.J. , MacLaren, I. , Myronov, M. and Leadley, D.R. (2012) Low specific ohmic contacts to n-type germanium using a low temperatrue NiGe process. ECS Transactions, 50(9), pp. 1081-1084. (doi:10.1149/05009.1081ecst)

Gallacher, K., Velha, P., Paul, D. , Cecchi, S., Frigerio, J., Chrastina, D. and Isella, G. (2012) 1.55 μm direct bandgap electroluminescence from strained n-Ge quantum wells grown on Si substrates. Applied Physics Letters, 101(21), p. 211101. (doi:10.1063/1.4767138)

Kelsall, R.W. et al. (2012) Germanium/silicon heterostructures for terahertz emission. ECS Transactions, 50(9), pp. 763-771.

Velha, P., Gallacher, K., Dumas, D., Paul, D. , Myronov, M. and Leadley, D.R. (2012) Long wavelength > 1.9 um germanium for optoelectronics using process induced strain. ECS Transactions, 50(9), pp. 779-782.

Velha, P., Gallacher, K., Dumas, D., Paul, D. , Myronov, M. and Leadley, D.R. (2012) Direct Band-gap Electroluminescence from Strained n-Ge Light Emmitting Diodes. ECS Transactions, 50(9), pp. 305-308.

Conference or Workshop Item

Fischer, M. P., Gallacher, K., Frigerio, J., Pellegrini, G., Isella, G., Leitenstorfer, A., Paul, D. J. , Biagioni, P. and Brida, D. (2019) Field-Resolved Detection of the Temporal Response of a Mid-Infrared Plasmonic Antenna. CLEO: QELS_Fundamental Science 2019, San Jose, CA, USA, 05-10 May 2019. ISBN 9781943580576

Gallacher, K., Sinclair, M., Millar, R.W., Sharp, O., Mirando, F., Ternent, G., Mills, G., Casey, B. and Paul, D.J. (2019) Integrated DFB Lasers on Si3N4 Photonic Platform for Chip-Scale Atomic Systems. CLEO: Science and Innovations 2019, San Jose, CA, USA, 05-10 May 2019. ISBN 9781943580576

Griškevičiūtė, U., Millar, R.W., Gallacher, K., Baldassarre, L., Sorel, M., Ortolani, M. and Paul, D.J. (2019) Fingerprint Mid-Infrared Sensing With Germanium on Silicon Waveguides. CLEO: Science and Innovations 2019, San Jose, CA, USA, 05-10 May 2019. ISBN 9781943580576

Ghisetti, E. A., Dumas, D., Kirdoda, J., Gallacher, K., Millar, R. W., Mirza, M. M.A. and Paul, D. J. (2018) Germanium on Silicon Single Photon Avalanche Detectors Using Silicon-on-Insulator Substrates. Integrated Optics: Devices, Materials, and Technologies XXII, San Francisco, CA, USA, 29 Jan - 01 Feb 2018. (doi:10.1117/12.2290403)

Frigerio, J. et al. (2015) Heavily phosphorous-doped Germanium thin films for mid-infrared plasmonics. 2015 IEEE 12th International Conference on Group IV Photonics (GFP), Vancouver, Canada, 26-28 Aug 2015. pp. 94-95. ISBN 9781479982554 (doi:10.1109/Group4.2015.7305964)

Conference Proceedings

Millar, R. W., Gallacher, K., Griskeviciute, U., Baldassarre, L., Sorel, M., Ortolani, M. and Paul, D. J. (2019) Low Loss Germanium-on-Silicon Waveguides for Integrated Mid-Infrared Photonics. In: SPIE OPTO 2019, San Francisco, CA, USA, 02-07 Feb 2019, 109230S. (doi:10.1117/12.2510009)

Gallacher, K., Millar, R. W., Griskevivuite, U., Baldassarre, L., Sorel, M., Ortolani, M. and Paul, D. J. (2019) TuA4.1 - Mid-infrared Sensing with Ge on Si Waveguides (Invited). In: 2019 IEEE Photonics Society Summer Topical Meeting Series (SUM), Ft. Lauderdale, FL, USA, 08-10 Jul 2019, ISBN 9781728105970 (doi:10.1109/PHOSST.2019.8795039)

Gallacher, K. et al. (2018) Components for Integrated Ge on Si for Mid-Infrared Photonic Sensors. In: 2018 IEEE Photonics Society Summer Topical Meeting Series (SUM), Waikoloa Village, HI, USA, 09-11 Jul 2018, pp. 177-178. ISBN 9781538653432 (doi:10.1109/PHOSST.2018.8456761)

Gallacher, K., Millar, R. W., Paul, D. J. , Mirando, F., Ternent, G., Mills, G. and Casey, B. (2018) Distributed Feedback Lasers Operating at 780 nm Wavelength Integrated on Si Substrates for Chip-scale Atomic Systems. In: 2018 IEEE 15th International Conference on Group IV Photonics (GFP), Cancun, Mexico, 29-31 Aug 2018, pp. 67-68. ISBN 9781538653616 (doi:10.1109/GROUP4.2018.8478720)

Millar, R.W., Gallacher, K., Griskeviciute, U., Paul, D.J. , Baldassarre, L. and Ortolani, M. (2018) Ge-on-Si Mid-Infrared Waveguides Operating up to 11 μm Wavelength. In: 2018 IEEE 15th International Conference on Group IV Photonics (GFP), Cancun, Mexico, 29-31 Aug 2018, pp. 137-138. ISBN 9781538653616 (doi:10.1109/GROUP4.2018.8478757)

Millar, R.W., Dumas, D.C.S., Gallacher, K., Jahandar, P., Myronov, M. and Paul, D.J. (2017) Tensile Strained GeSn Mid-Infrared Light Emitters. In: 2017 IEEE 14th International Conference on Group IV Photonics (GFP), Berlin, Germany, 23-25 Aug 2017, pp. 49-50. ISBN 9781509065677 (doi:10.1109/GROUP4.2017.8082190)

Paul, D. J. et al. (2017) n-Ge on Si for Mid-Infrared Plasmonic Sensors. In: IEEE Photonics Society Summer Topical Meeting Series (SUM 2017), San Juan, Puerto Rico, 10-12 Jul 2017, pp. 125-126. ISBN 9781509065714 (doi:10.1109/PHOSST.2017.8012682)

Fischer, M. P. et al. (2017) Mid-Infrared Third-Harmonic Emission from Heavily-Doped Germanium Plasmonic Nanoantennas. In: CLEO: QLES_Fundamental Science 2017, San Jose, CA, USA, 14-19 May 2017, FF1G.2. ISBN 9781943580279 (doi:10.1364/CLEO_QELS.2017.FF1G.2)

Fischer, M. P. et al. (2017) Germanium Nanoantennas for Plasmon-enhanced Third Harmonic Generation in the Mid Infrared. In: CLEO/Europe - EQEC 2017, Munich, Germany, 25-29 Jun 2017, ISBN 9781509067367 (doi:10.1109/CLEOE-EQEC.2017.8087670)

Frigerio, J. et al. (2017) Heavily-doped Germanium on Silicon with Activated Doping Exceeding 1020 cm−3 as an Alternative to Gold for Mid-infrared Plasmonics. In: 2017 IEEE 14th International Conference on Group IV Photonics (GFP), Berlin, Germany, 23-25 Aug 2017, pp. 9-10. ISBN 9781509065684 (doi:10.1109/GROUP4.2017.8082170)

Gallacher, K. et al. (2017) Germanium-on-silicon Waveguides for Mid-infrared Photonic Sensing Chips. In: 2017 IEEE 14th International Conference on Group IV Photonics (GFP), Berlin, Germany, 23-25 Aug 2017, pp. 63-64. ISBN 9781509065684 (doi:10.1109/GROUP4.2017.8082197)

Gallacher, K. et al. (2017) Mid-infrared n-Ge on Si Plasmonic Based Microbolometer Sensors. In: 2017 IEEE 14th International Conference on Group IV Photonics (GFP), Berlin, Germany, 23-25 Aug 2017, pp. 3-4. ISBN 9781509065684 (doi:10.1109/GROUP4.2017.8082167)

Gallacher, K., Sorgi, A., Giliberti, V., Frigerio, J., Isella, G., Biagioni, P., Paul, D. J. , Ortolani, M. and Baldassarre, L. (2017) Integrated Germanium-on-silicon Waveguides for Mid-infrared Photonic Sensing Chips. In: 2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Cancun, Mexico, 27 Aug - 01 Sep 2017, ISBN 9781509060504 (doi:10.1109/IRMMW-THz.2017.8067105)

Baldassarre, L. et al. (2016) Mid-Infrared Plasmonic Platform Based on n-Doped Ge-on-Si: Molecular Sensing with Germanium Nano-Antennas on Si. In: 41st International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2016), Copenhagen, Denmark, 25-30 Sept 2016, ISBN 9781467384858 (doi:10.1109/IRMMW-THz.2016.7758725)

Fischer, M. P. et al. (2016) Germanium Plasmonic Nanoantennas for Third-Harmonic Generation in the Mid Infrared. In: 41st International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2016), Copenhagen, Denmark, 25-30 Sept 2016, ISBN 9781467384858 (doi:10.1109/IRMMW-THz.2016.7758692)

Gallacher, K., Millar, R.W., Ballabio, A., Frigerio, J., Bashir, A., MacLaren, I. , Isella, G., Ortolani, M. and Paul, D.J. (2016) Mid-Infrared Intersubband Absorption from P-Ge Quantum Wells on Si. In: 41st International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2016), Copenhagen, Denmark, 25-30 Sept 2016, ISBN 9781467384858 (doi:10.1109/IRMMW-THz.2016.7758421)

Pellegrini, G., Baldassarre, L., Giliberti, V., Frigerio, J., Gallacher, K., Paul, D. J. , Isella, G., Ortolani, M. and Biagioni, P. (2016) Benchmarking the Use of Heavily-Doped Ge Against Noble Metals for Plasmonics and Sensing in the Mid-Infrared. In: 41st International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2016), Copenhagen, Denmark, 25-30 Sept 2016, ISBN 9781467384858 (doi:10.1109/IRMMW-THz.2016.7758628)

Gallacher, K., Ballabio, A., Millar, R.W., Frigerio, J., Bashir, A., MacLaren, I. , Isella, G., Ortolani, M. and Paul, D. J. (2016) Intersubband Absorption in p-Ge QWs on Si. In: IEEE 13th International Conference on Group IV Photonics, Shanghai, China, 24-26 Aug 2016, pp. 30-31. ISBN 9781509019038 (doi:10.1109/GROUP4.2016.7739130)

Millar, R.W., Gallacher, K., Frigerio, J., Chrastina, D., Isella, G. and Paul, D.J. (2015) Highly strained Ge on Si microdisks with silicon nitride stressors. In: 2015 IEEE 12th International Conference on Group IV Photonics (GFP), Vancouver, Canada, 26-28 Aug 2015, pp. 65-66. ISBN 9781479982547 (doi:10.1109/group4.2015.7305948)

Gallacher, K. et al. (2015) Mid-Infrared Intersubband Absorption in p-Ge/SiGe Quantum Wells Grown on Si. In: 2015 IEEE International Conference on Group IV Photonics (GFP), Vancouver, Canada, 26-28 Aug 2015, pp. 15-16. ISBN 9781479982547 (doi:10.1109/group4.2015.7305931)

Ortolani, M. et al. (2015) Time- and Frequency-Resolved Electrodynamics of Germanium Nanoantennas for Mid-Infrared Plasmonics. In: 40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz), Hong Kong, China, 23-28 Aug 2015, pp. 1-2. (doi:10.1109/IRMMW-THz.2015.7327717)

Dumas, D.C.S., Gallacher, K., Rhead, S., Myronov, M., Leadley, D.R. and Paul, D.J. (2014) Ge/SiGe quantum confined Stark effect modulators with low voltage swing at lambda = 1550 nm. In: 2014 IEEE 11th International Conference on Group IV Photonics (GFP),, Paris, France, 27-29 Aug 2014, pp. 245-246. (doi:10.1109/Group4.2014.6961946)

Frigerio, J. et al. (2014) Mid-infrared plasmonic germanium antennas on silicon. In: IEEE 11th International Conference on Group IV Photonics (GFP), Paris, France, 27-29 Aug 2014, pp. 27-28. (doi:10.1109/Group4.2014.6962011)

Millar, R.W., Gallacher, K., Samarelli, A., Dumas, D.C.S., Frigerio, J., Chrastina, D., Isella, G. and Paul, D.J. (2014) Process Induced Tensile Strain of Ge on Si Nanopillars by ICP-PECVD SiN Stressor Layers. In: IEEE 11th International Conference on Group IV Photonics (GFP), Paris, France, 27-29 Aug 2014, pp. 235-236. (doi:10.1109/Group4.2014.6961941)

Al-Khalidi, A. , Gallacher, K., Khalid, A. , Paul, D. and Wasige, E. (2014) 0.25 Ω-mm Ohmic contacts to AlN/GaN HEMT structure with in-situ SiN passivation. In: 7th Wide Band Gap Semiconductors and Components Workshop, Frascati, Italy, 11-12 Sep 2014,

Baldassarre, L. et al. (2014) Mid-Infrared Plasmonic Platform based on Heavily Doped Epitaxial Ge-on-Si: Retrieving the Optical Constants of Thin Ge Epilayers. In: 2014 39th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz), Tucson, AZ, USA, 14-19 September 2014, ISBN 9781479938773 (doi:10.1109/IRMMW-THz.2014.6956438)

Velha, P., Dumas, D., Gallacher, K., Millar, R., Myronov, M., Leadley, D. and Paul, D.J. (2013) Strained germanium nanostructures on silicon emitting at >2.2 µm wavelength. In: 2013 IEEE 10th International Conference on Group IV Photonics (GFP), Seoul, South Korea, 23-30 Aug 2013, pp. 142-143. (doi:10.1109/Group4.2013.6644411)

Intermite, G. et al. (2013) Design and performance of a prototype mesa-geometry Ge-on-Si single-photon avalanche diode detector at 1310 nm and 1550 nm wavelengths. In: IEEE 10th International Conference on Group IV Photonics, Seoul, South Korea, 28-30 Aug 2013, pp. 132-133. (doi:10.1109/Group4.2013.6644406)

Gallacher, K., Velha, P., Paul, D. , Frigerio, J., Chrastina, D. and Isella, G. (2012) 1.55 um electroluminescence from strained n-Ge quantum wells on silicon substrates. In: 2012 IEEE 9th International Conference on Group IV Photonics (GFP), San Diego, CA, 23-31 Aug 2012, (doi:10.1109/GROUP4.2012.6324093)

Velha, P., Gallacher, K., Dumas, D., Paul, D.J. , Myronov, M. and Leadley, D.R. (2012) Direct band-gap electroluminescence from strained n-doped Germanium diodes. In: 2012 Conference on Lasers and Electro-Optics (CLEO), San Jose, CA, 6-11 May 2012, pp. 1-2.

Velha, P., Gallacher, K., Dumas, D., Paul, D.J. , Myronov, M. and Leadley, D.R. (2012) Tuning the electroluminescence of n-Ge LEDs using process induced strain. In: 2012 IEEE 9th International Conference on Group IV Photonics (GFP), San Diego, CA, 23-31 Aug 2012, pp. 337-339. (doi:10.1109/GROUP4.2012.6324179)

This list was generated on Sat Aug 24 06:59:25 2019 BST.