2011

Taking, S., MacFarlane, D. , and Wasige, E. (2011) AlN/GaN MOS-HEMTs with thermally grown Al₂O₃ passivation. IEEE Transactions on Electron Devices, 58 (5). pp. 1418-1424. ISSN 0018-9383 (doi:10.1109/TED.2011.2114665)

Taking, S., MacFarlane, D. , and Wasige, E. (2011) AlN/GaN-based MOS-HEMT technology: processing and device results. Active and Passive Electronic Components, 2011 (821305). ISSN 0882-7516 (doi:10.1155/2011/821305)

Wang, L., Figueiredo, J.M.L., Ironside, C.N. , and Wasige, E. (2011) DC characterisation of tunnel diodes under stable non-oscillatory circuit conditions. IEEE Transactions on Electron Devices, 58 (2). pp. 343-347. ISSN 0018-9383 (doi:10.1109/TED.2010.2091507)

2010

Taking, S. et al. (2010) Surface passivation of AlN/GaN MOS-HEMTs using ultra-thin Al2O3 formed by thermal oxidation of evaporated aluminium. Electronics Letters, 46 (4). pp. 301-302. ISSN 0013-5194 (doi:10.1049/el.2010.2781)

Banerjee, A., Taking, S., MacFarlane, D., Dabiran, A., and Wasige, E. (2010) Development of Enhancement Mode AlGaN/GaN MOS-HEMTs using Localized Gate-Foot Oxidation. In: The 5th European Microwave Integrated Circuits Conference, Proceedings, 26th Sept – 1st Oct 2010, France.

Banerjee, A., Taking, S., MacFarlane, D., and Wasige, E. (2010) Enhancement Mode GaN-based MOSHEMTs. In: ARMMS: RF and Microwave Society Conference, 19th and 20th April , Steventon, Oxfordshire.

Ironside, C.N., Figueiredo, J.M.L., Romeira, B., Slight, T.J. , Wang, L., and Wasige, E. (2010) Resonant Tunneling Diode Optoelectronic Integrated Circuits [paper 7608-17]. In: SPIE Photonics West in Quantum Sensing and Nanophotonics Devices VII, 24 - 28 January 2010, San Francisco, California.

Taking, S., Banerjee, A. , Zhou, H. , Li, X. , MacFarlane, D., Dabiran, A., and Wasige, E. (2010) Thin Al2O3 Formed by Thermal Oxidation of Evaporated Aluminium for AlN/GaN MOS-HEMT Technology. In: UKNC Conference, 12th and 13th January , Cork, Ireland.

Taking, S., Khokhar, A. , MacFarlane, D., Sharabi, S., Dabiran, A.M., and Wasige, E. (2010) New Process for Low Sheet and Ohmic Contact Resistance of AlN/GaN MOS-HEMTs. In: The 5th European Microwave Integrated Circuits Conference, Proceedings, 26th Sept – 1st Oct 2010, France.

Wang, L., and Wasige, E. (2010) Tunnel Diode Microwave Oscillators Employing a Novel Power Combining Circuit Topology. In: European Microwave Conference, September, 2010.

2009

Romeira, B., Figueiredo, J.M.L., Slight, T.J. , Wang, L.Q., Wasige, E. , Ironside, C.N. , Kelly, A.E. , and Green, R. (2009) Nonlinear dynamics of resonant tunneling optoelectronic circuits for wireless/optical interfaces. IEEE Journal of Quantum Electronics, 45 (11). pp. 1436-1445. ISSN 0018-9197 (doi:10.1109/JQE.2009.2028084)

Rahman, F., Xu, S., Watson, I.M., Mutha, D.K.B., Oxland, R.K. , Johnson, N.P. , Banerjee, A. , and Wasige, E. (2009) Ohmic contact formation to bulk and heterostructure gallium nitride family semiconductors. Applied Physics A-Materials Science and Processing, 94 (3). pp. 633-639. ISSN 0947-8396 (doi:10.1007/s00339-008-4848-9)

Ironside, C., Romeira, B., Figueiredo, J.M.L., Slight, T. , Wasige, E. , and Wang, L. (2009) The resonant tunneling diode-laser optoelectronic integrated circuit operating as a voltage controlled oscillator. In: SPIE Microtechnologies for the new millennium, photonic materials devices and applications, 4-6 May 2009, Dresden.

Romeira, B., Figueiredo, J.M.L., Slight, T. , Wang, L., Wasige, E. , and Ironside, C. (2009) Wireless to optical frequency locking and chaos using a resonant tunnelling - laser diode circuit. In: 2nd IEEE/LEOS Winter Topicals, 12-14 Jan 2009, Innsbruck, Austria.

Romeira, B., Figueiredo, J.M.L., Slight, T.J. , Wang, L., Wasige, E. , and Ironside, C.N. (2009) Wireless Injection Locking and Phase Noise Reduction in a Semiconductor Laser driven by a Resonant Tunnelling Diode Nonlinear Oscillator [paper CI3.1]. In: CLEO Europe, 2009, Munich.

Romeira, B., Figueiredo, J.M.L., Slight, T.J. , Wang, L., Wasige, E. , and Ironside, C.N. (2009) Wireless to Optical Frequency Locking and Chaos using a Resonant Tunnelling - Laser Diode Circuit [paper MB3.4]. In: 2nd IEEE/LEOS Winter Topicals, 12-14 January 2008, Innsbruck, Austria.

Romeira, B., Figueiredo, J.ML., Slight, T.J. , Wang, L., Wasige, E. , and Ironside, C.N. (2009) Wireless/Photonics Interfaces based on Resonant Tunneling Diode Optoelectronic Oscillators. In: The Conference on Lasers and Electro-Optics (CLEO)/The International Quantum Electronics Conference (IQEC) , 2-4 June 2009 , Baltimore, MD .

Taking, S., Banerjee, A. , Rahman, F. , Dabiran, A., and Wasige, E. (2009) Novel AlN/GaN HEMTs for RF Power Applications. In: UK Semiconductors, 2-3rd July, Sheffield, UK.

2008

Romeira, B., Figueiredo, J.M.L., Slight, T.J. , Wang, L., Wasige, E. , Ironside, C.N. , Quintana, J.M., and Avedillo, M.J. (2008) Synchronisation and chaos in a laser diode driven by a resonant tunnelling diode. IET Optoelectronics, 2 (6). pp. 211-215. ISSN 1751-8768 (doi:10.1049/iet-opt:20080024)

Slight, T.J., Romeira, B., Wang, L., Figueiredo, J.M.L., Wasige, E. , and Ironside, C.N. (2008) A liénard oscillator resonant tunnelling diode-laser diode hybrid integrated circuit: model and experiment. IEEE Journal of Quantum Electronics, 44 (12). pp. 1158-1163. ISSN 0018-9197 (doi:10.1109/JQE.2008.2000924)

Figueiredo, J.M.L., Romeira, B., Slight, T.J. , Wang, L., Wasige, E. , and Ironside, C.N. (2008) Self-oscillation and period adding from resonant tunnelling diode-laser diode circuit. Electronics Letters, 44 (14). 876-U207. ISSN 0013-5194 (doi:10.1049/el:20080350)

Banerjee, A., Taking, S., Rahman, F. , and Wasige, E. (2008) Process development for high Al-content barrier GaN HEMTs. In: UK Nitride Consortium Summer Meeting, 1 July 2008, Sheffield, UK.

Romeira, B., Figueiredo, J.M.L., Slight, T.J. , Wang, L., Wasige, E. , and Ironside, C.N. (2008) Optoelectronic Integration of a Resonant Tunneling Diode and a Laser Diode [paper WeB4]. In: European Conference on Integrated Optics (ECIO 2008), June 11-12-13, 2008, Eindhoven, Netherlands.

Romeira, B., Figueiredo, J.M.L., Slight, T.J. , Wang, L., Wasige, E. , and Ironside, C.N. (2008) Synchronizing Optical to Wireless Signals Using a Resonant Tunneling Diode Laser Diode Circuit [paper TuB1]. In: LEOS Conference 21st Annual Meeting of the IEEE Lasers and Electro-Optics Society, November, 2008, Newport Beach, CA.

Romeira, B., Figueiredo, J.M.L., Slight, T.J. , Wang, L., Wasige, E. , Ironside, C.N. , Quintana, J.M., and Avedillo, M.J. (2008) Observation of Frequency Division and Chaos Behavior in a Laser Diode Driven by a Resonant Tunneling Diode [paper CMY5]. In: Conference on Lasers and Electro-Optics (CLEO), 2008, San Jose, CA.

Romeira, B., Figueiredo, J.M.L., Slight, T.J. , Wang, L., Wasige, E. , Ironside, C.N. , Quintana, J.M., and Avedillo, M.J. (2008) Synchronisation and chaos in a laser diode driven by a resonant tunnelling diode. IET Optoelectronics, 2 (6). pp. 211-215. ISSN 1751-8768 (doi:10.1049/iet-opt:20080024)

Romeira, B., Figueiredo, J.M.L., Slight, T.J. , Wang, L., Wasige, E. , Ironside, C.N. , Quintana, J.M., and Avedillo, M.J. (2008) Synchronization and chaos in a laser diode driven by a resonant tunneling diode [Paper no. 32]. In: Conference on Semiconductor Integrated Optoelectronics (SIEO'08), 31 Mar - 2 April 2008, Cardiff, UK.

Slight, T., Romeira, B., Wang, L., Figueiredo, J.M.L., Wasige, E. , and Ironside, C.N. (2008) A Lienard Oscillator Resonant Tunnelling Diode-Laser Diode Hybrid Integrated Circuit: Model and Experiment. IEEE Journal of Quantum Electronics, 44 (12). 1158 -1163 . ISSN 0018-9197 (doi:10.1049/el:20080350)

Taking, S., Banerjee, A. , Rahman, F. , Dabiran, A., and Wasige, E. (2008) Low resistance Ohmic contacts for AlN/GaN HEMTs. In: UK Nitride Consortium Summer Meeting, 1 July 2008, Sheffield, UK.

2007

Rahman, F., Sun, X., Mutha, D.K.B., Watson, I.M., and Wasige, E. (2007) Investigations on ohmic contacts to bulk and heterostructure III-nitrides. In: UK Nitride Consortium Summer Meeting, 3 July 2007, Warwick, UK.

2006

Abuelmaatti, A, Thayne, IG , McGregor, I , and Wasige, E (2006) A new implementation for RF SiCMOS transistor model using SDD for quantifying individual contribution to distortion from transistor's nonlinear parameters. In: Asia Pacific Microwave Conference, Yokohama, Japan.

McGregor, I, Wasige, E , and Thayne, IG (2006) Sub milli-watt 2.4GHz super regenerative transceiver with ultra low duty cycle. In: Asia Pacific Microwave Conference, Yokohama, Japan.

McGregor, I, Whyte, G , Elgaid, K , Wasige, E , and Thayne, IG (2006) A 400 micro W Tx/380 microW Rx 2.4GHz super-regenerative GaAs transceiver. In: European Microwave Conference, Manchester, UK.

Wasige, E (2006) Extracting the HBT series parasitics under active bias conditions. In: European Microwave Conference, Manchester, UK.

2005

Craig, V, Burns, G, Oxland, R , and Wasige, E (2005) InP HBT technology for high frequency applications. In: 10th High Frequency Postgraduate Student Colloquium, Leeds, UK.

McGregor, I, Maclean, D., Wasige, E , and Thayne, IG (2005) Using return ratios to desing microwave oscillators. In: 10th High Frequency Postgraduate Student Colloquium, Leeds, UK.

2004

McGregor, I, Whyte, G , Wasige, E , and Thayne, IG (2004) UWB test system. In: 7th Analog Signal Processing Conference, Oxford, UK.

2003

Wasige, E (2003) Determining the HBT base-collector elements directly from S-parameter data. In: 2003 IEEE MTTS-S International Microwave Symposium Digest, Vols 1-3.

2002

Wasige, E, Sheinman, B, Sidorov, V, Cohen, S, and Ritter, D (2002) An analytic expression for the HBT extrinsic base-collector capacitance derived from S-parameter measurements. In: Microwave Symposium Digest, 2002 IEEE MTT-S International.