2026
Kalhor, S., Delfanazari, K. (2026) Ultrafast terahertz dynamics in hybrid van der waals superconductor-topological insulator metamaterials. Advanced Photonics Research, 7, (doi: 10.1002/adpr.202500195)
Tsujimoto, M., Delfanazari, K., Kashiwagi, T., Hattori, T., Kadowaki, K. (2026) Terahertz imaging system with on-chip superconducting josephson plasma emitters for nondestructive testing. IEEE Transactions on Applied Superconductivity, (doi: 10.1109/TASC.2026.3674700)
Xiong, Y., Delfanazari, K. (2026) Silicon-based Josephson junction field-effect transistors enabling cryogenic logic and quantum technologies. APL Engineering Physics, 1, (doi: 10.1063/5.0308231)
Kalhor, S., Kar, S., Singh, R., Delfanazari, K. (2026) Topological photonic devices and circuits at terahertz frequencies. Laser and Photonics Reviews, (doi: 10.1002/lpor.202503162)
Poorgholam-Khanjari, S., Foshat, P., Zhang, M., Seferai, V., Weides, M., Delfanazari, K. (2026) On-chip microwave sensing of nonequilibrium quasiparticles in -tantalum superconducting circuits on silicon for scalable quantum technologies. ACS Applied Materials and Interfaces, 18, pp. 3007-3013. (doi: 10.1021/acsami.5c18323)
Kar, S., Delfanazari, K., Wen, Y.-C. (2026) State-of-the-Art emerging materials under a terahertz emission spotlight. ACS Materials Letters, 8, pp. 16-34. (doi: 10.1021/acsmaterialslett.5c00915)
Zhang, M., Delfanazari, K. (2026) Orthogonal frequency division multiplexing continuous variable terahertz QKD for large-scale wireless quantum communication. IEEE Transactions on Quantum Engineering, 7, (doi: 10.1109/TQE.2026.3669050)
2025
Zhang, M., Nakagawa, S., Enomoto, Y., Kuzumi, Y., Kikuchi, R., Yamauchi, Y., Hattori, T., Klemm, R. A., Kadowaki, K., Kashiwagi, T., Delfanazari, K. (2025) Tunable terahertz source on a chip with decade-long stability using layered-superconductor elliptical microcavities. Physical Review Applied, 24, (doi: 10.1103/pwlx-4sjf)
Foshat, P., Poorgholam Khanjari, S., Seferai, V., Feng, H., Johny, S., Mukhanov, O. A., Hutchings, M., Hadfield, R. H., Weides, M., Delfanazari, K. (2025) Quasiparticle dynamics in NbN superconducting microwave resonators at single photon regime. IEEE Transactions on Quantum Engineering, (doi: 10.1109/TQE.2025.3616080)
Delfanazari, K. (2025) Chip-scale electrically driven superconducting coherent photon sources for quantum information processing. Nature Photonics, (doi: 10.1038/s41566-025-01735-9)
Barr, K., Euan, P., Zhong, M., Al-Taai, Q., Foshat, P., Stanley, M., Ridler, N., Delfanazari, K., Weides, M., Li, C., Rossi, A. (2025) Breaking the Cryogenic (Wiring) Bottleneck with Wireless Microwave Excitation of an NbN Superconducting.
Poorgholam-Khanjari, S., Seferai, V., Foshat, P., Rose, C., Feng, H., Hadfield, R. H., Weides, M., Delfanazari, K. (2025) Engineering high-Q superconducting tantalum microwave coplanar waveguide resonators for compact coherent quantum circuit. Scientific Reports, 15, (doi: 10.1038/s41598-025-11744-x)
Foshat, P., Baity, P., Danilin, S., Seferai, V., Poorgholam-Khanjari, S., Feng, H., Mukhanov, O. A., Hutchings, M., Hadfield, R. H., Weides, M., Delfanazari, K. (2025) Characterizing niobium nitride-based superconducting coplanar waveguide resonators for microwave hybrid circuit quantum electrodynamics. IEEE Transactions on Applied Superconductivity, (doi: 10.1109/TASC.2025.3532821)
2024
Delfanazari, K. (2024) Ultrafast terahertz superconductor van der Waals metamaterial photonic switch. Advanced Photonics Research, 5, (doi: 10.1002/adpr.202400045)
Ma, P., Delfanazari, K., Puddy, R. K., Li, J., Cao, M., Yi, T., Griffiths, J. P., Beere, H. E., Ritchie, D. A., Kelly, M. J., Smith, C. G. (2024) Statistical evaluation of 571 GaAs quantum point contact transistors showing the 0.7 anomaly in quantized conductance using millikelvin cryogenic on-chip multiplexing. Chip, 3, (doi: 10.1016/j.chip.2024.100095)
Delfanazari, K. (2024) On-chip coherent terahertz emitters with gigahertz modulation. Nature Photonics, 18, pp. 214-215. (doi: 10.1038/s41566-024-01399-x)
Delfanazari, K., Li, J., Ma, P., Puddy, R. K., Yi, T., Xiong, Y., Farrer, I., Komori, S., Robinson, J., Ritchie, D. A., Kelly, M. J., Joyce, H. J., Smith, C. G. (2024) Large-scale on-chip integration of gate-voltage addressable hybrid superconductor-semiconductor quantum wells field effect nano-switch arrays. Advanced Electronic Materials, 10, (doi: 10.1002/aelm.202300453)
Delfanazari, K., Li, J., Xiong, Y., Ma, P., Puddy, R. K., Yi, T., Farrer, I., Komori, S., Robinson, J. W.A., Serra, L., Ritchie, D. A., Kelly, M. J., Joyce, H. J., Smith, C. G. (2024) Quantized conductance in hybrid split-gate arrays of superconducting quantum point contacts with semiconducting two-dimensional electron systems. Physical Review Applied, 21, (doi: 10.1103/PhysRevApplied.21.014051)
2023
Seferai, V., Baity, P., Barbosa, J., Collins, J., Foshat, P., Fu, C., Poorgholam Khanjari, S., Lennon, C., Paul, J., Silke, P., Knoops, H., Hemakumara, T., Delfanazari, K., Hadfield, R., Weides, M. (2023) Recent Material Developments for Superconducting Quantum Circuits.
Zhang, M., Pirandola, S., Delfanazari, K. (2023) Millimetre-waves to terahertz SISO and MIMO continuous variable quantum key distribution. IEEE Transactions on Quantum Engineering, 4, (doi: 10.1109/TQE.2023.3266946)
2022
Kalhor, S., Savel'ev, S., Delfanazari, K. (2022) Engineering ultrastrong coupling between Josephson plasmon polaritons and subwavelength microcavity arrays in silicon/van der Waals layered superconductor heterostructure for terahertz hybrid circuit cavity quantum electrodynamics. Physical Review B, 106, (doi: 10.1103/PhysRevB.106.245140)
Foshat, P., Baity, P., Danilin, S., Safari, V., Poorgholam Khanjari, S., Zhang, M., Mukhanov, O. A., Hutchings, M., Hadfield, R., Imran, M., Weides, M., Delfanazari, K. (2022) Nitride-based superconducting coplanar waveguide resonator with an internal quality factor above one million.
Zhang, M., Foshat, P., Poorgholam Khanjari, S., Imran, M., Weides, M., Delfanazari, K. (2022) Quantum Key Distribution on microwave band for superconducting quantum computing.
Delfanazari, K., Ma, P., Li, J., Yi, T., Puddy, R., Farrer, I., Ritchie, D., Kelly, M., Joyce, H., Smith, C. (2022) Gate voltage-addressable quantum chips with arrays of hybrid superconducting two-dimensional electron gas quantum well field-effect switches.
Delfanazari, K., Muskens, O. L. (2022) Visible to Near-infrared Chip-integrated Tunable Optical Modulators Based on Niobium Plasmonic Nano-antenna and Nano-circuit Metasurface Arrays. (doi: 10.1109/PIERS55526.2022.9792866)
Zhang, M., Foshat, P., Poorgholam Khanjari, S., Imran, M., Weides, M., Delfanazari, K. (2022) Microwave Quantum Key Distribution with Cryogenic Microwave Components for Superconducting Quantum Computing.
Foshat, P., Danilin, S., Baity, P., Seferai, V., Mukhanov, O., Hutchings, M., Hadfield, R., Imran, M., Weides, M., Delfanazari, K. (2022) Microwave Photonic Losses in Niobium Nitride-based Superconducting Resonator Array.
Kalhor, S., Kindness, S.J., Wallis, R., Beere, H.E., Ghanaatshoar, M., Degl'Innocenti, R., Kelly, M.J., Hofmann, S., Joyce, H.J., Ritchie, D.A., Delfanazari, K. (2022) Active Terahertz Modulator and Slow Light Metamaterial Devices with Hybrid Graphene-superconductor Coupled Split-ring Resonator Arrays. (doi: 10.1109/PIERS55526.2022.9792980)
Seferai, V., Baity, P. G., Barbosa, J., Brennan, J., Collins, J. A., Danilin, S., Feng, H., Foshat, P., Fu, C., Karar, W., Lenon, C., Nugent, N., Paul, J., Casaburi, A., Delfanazari, K., Hadfield, R., Weides, M. P. (2022) Tantalum on Sapphire and Silicon Substrates for Superconducting Quantum Circuits.
Xiong, Y., Delfanazari, K. (2022) Engineering Circular Polarization in Chip-integrated High-Tc Superconducting THz Antennas. (doi: 10.1109/PIERS53385.2021.9694960)
2021
Kalhor, S., Kindness, S. J., Wallis, R., Beere, H. E., Ghanaatshoar, M., Degl'Innocenti, R., Kelly, M. J., Hofmann, S., Joyce, H. J., Ritchie, D. A., Delfanazari, K. (2021) Active terahertz modulator and slow light metamaterial devices with hybrid graphene–superconductor photonic integrated circuits. Nanomaterials, 11, (doi: 10.3390/nano11112999)
Delfanazari, K. (2021) Quantum Terahertz Electronics: From Superconducting Coherent THz Light Sources to Ultracompact Waveguides and Photonic Integrated Circuitry with Quantum Materials.
Xiong, Y., Kashiwagi, T., Klemm, R. A., Kadowaki, K., Delfanazari, K. (2021) Voltage-controlled Polarization and Cavity Modes in Integrated Superconducting Coherent Terahertz Emitters.
Kalhor, S., Ghanaatshoar, M., Joyce, H. J., Ritchie, D. A., Kadowaki, K., Delfanazari, K. (2021) Millimeter-wave-to-terahertz superconducting plasmonic waveguides for integrated nanophotonics at cryogenic temperatures. Materials, 14, (doi: 10.3390/ma14154291)
Delfanazari, K., Serra, L., Ma, P., Farrer, I., Ritchie, D., Joyce, H., Kelly, M. J., Smith, C. G. (2021) Topological Josephson Junctions Based on InGaAs Quantum Wells.
2020
Pitsun, D., Sultanov, A., Novikov, I., Mutsenik, E., Ivanov, B., Matanin, A., Polozov, V., Malevannaya, E., Ivanov, A., Fedorov, G., Delfanazari, K., Rodionov, I., Il’ichev, E. (2020) Cross coupling of a solid-state qubit to an input signal due to multiplexed dispersive readout. Physical Review Applied, 14, (doi: 10.1103/PhysRevApplied.14.054059)
Kindness, S. J., Almond, N. W., Michailow, W., Wei, B., Delfanazari, K., Braeuninger‐Weimer, P., Hofmann, S., Beere, H. E., Ritchie, D. A., Degl'Innocenti, R. (2020) A terahertz chiral metamaterial modulator. Advanced Optical Materials, 8, (doi: 10.1002/adom.202000581)
Delfanazari, K., Klemm, R. A., Joyce, H. J., Ritchie, D. A., Kadowaki, K. (2020) Integrated, portable, tunable, and coherent terahertz sources and sensitive detectors based on layered superconductors. Proceedings of the IEEE, 108, pp. 721-734. (doi: 10.1109/JPROC.2019.2958810)
Serra, L., Delfanazari, K. (2020) Evidence for Majorana phases in the magnetoconductance of topological junctions based on two-dimensional electron gases. Physical Review B, 101, (doi: 10.1103/PhysRevB.101.115409)
Delfanazari, K., Serra, L., Ma, P., Farrer, I., Ritchie, D. A., Joyce, H. J., Kelly, M. J., Smith, C. G. (2020) Hybrid quantum circuits in vertical magnetic fields.
Xiong, Y., Kashiwagi, T., Klemm, R.A., Kadowaki, K., Delfanazari, K. (2020) Engineering the Cavity modes and Polarization in Integrated Superconducting Coherent Terahertz Emitters. (doi: 10.1109/IRMMW-THz46771.2020.9370587)
Kalhor, S., Ghanaatshoar, M., Delfanazari, K. (2020) Guiding of Terahertz Photons in Superconducting Nano-Circuits. (doi: 10.1109/UCET51115.2020.9205480)
Kalhor, S., Ghanaatshoar, M., Delfanazari, K. (2020) On-chip Superconducting THz Metamaterial Bandpass Filter. (doi: 10.1109/IRMMW-THz46771.2020.9370663)
2019
Kindness, S. J., Almond, N. W., Michailow, W., Wei, B., Jakob, L. A., Delfanazari, K., Braeuninger-Weimer, P., Hofmann, S., Beere, H. E., Ritchie, D. A., Degl’Innocenti, R. (2019) Graphene-integrated metamaterial device for all-electrical polarization control of terahertz quantum cascade lasers. ACS Photonics, 6, pp. 1547-1555. (doi: 10.1021/acsphotonics.9b00411)
Delfanazari, K., Ma, P., Puddy, R., Yi, T., Cao, M., Gul, Y., Richardson, C. L., Farrer, I., Ritchie, D., Joyce, H. J., Kelly, M. J., Smith, C. G. (2019) Scalable quantum integrated circuits on superconducting two-dimensional electron gas platform. Journal of Visualized Experiments, (doi: 10.3791/57818)
Delfanazari, K., Ma, P., Puddy, R. K., Cao, M., Yi, T., Gul, Y., Farrer, I., Ritchie, D. A., Joyce, H. J., Kelly, M. J., Smith, C. G. (2019) Andreev reflections and magnetotransport in 2D Josephson junctions. Journal of Physics: Conference Series, 1182, pp. 012010. (doi: 10.1088/1742-6596/1182/1/012010)
Delfanazari, K., Klemm, R. A., Tsujimoto, M., Cerkoney, D. P., Yamamoto, T., Kashiwagi, T., Kadowaki, K. (2019) Cavity modes in broadly tunable superconducting coherent terahertz sources. Journal of Physics: Conference Series, 1182, (doi: 10.1088/1742-6596/1182/1/012011)
2018
Delfanazari, K., Puddy, R.K., Ma, P., Yi, T., Cao, M., Gul, Y., Farrer, I., Ritchie, D.A., Joyce, H.J., Kelly, M.J., Smith, C.G. (2018) Proximity induced superconductivity in indium gallium arsenide quantum wells. Journal of Magnetism and Magnetic Materials, 459, pp. 282-284. (doi: 10.1016/j.jmmm.2017.10.057)
Delfanazari, K., Kelly, M. J., Smith, C. G., Puddy, R. K., Ma, P., Yi, T., Cao, M., Richardson, C., Farrer, I., Ritchie, D. A., Joyce, H. J. (2018) On-chip hybrid superconducting-semiconducting quantum circuit. IEEE Transactions on Applied Superconductivity, 28, (doi: 10.1109/TASC.2018.2812817)
2017
Delfanazari, K., Puddy, R. K., Ma, P., Yi, T., Cao, M., Gul, Y., Farrer, I., Ritchie, D. A., Joyce, H. J., Kelly, M. J., Smith, C. G. (2017) On‐chip Andreev devices: hard superconducting gap and quantum transport in ballistic Nb–In 0.75 Ga 0.25 As‐quantum‐well–Nb Josephson junctions. Advanced Materials, 29, (doi: 10.1002/adma.201701836)
Kalhor, S., Ghanaatshoar, M., Kashiwagi, T., Kadowaki, K., Kelly, M. J., Delfanazari, K. (2017) Thermal tuning of high-Tc superconducting Bi2Sr 2CaCu2 O8+δ terahertz metamaterial. IEEE Photonics Journal, 9, (doi: 10.1109/JPHOT.2017.2754465)
Klemm, R., Cerkoney, D., Doty, C., Davis, A., Wang, Q., Koopman, M., Rain, J., Reid, C., Campbell, T., Morales, M., Delfanazari, K., Tsujimoto, M., Kashiwagi, T., Watanabe, C., Minami, H., Yamamoto, T., Kadowaki, K. (2017) Coherent emission from the intrinsic Josephson junctions in thermally-managed, high-symmetry Bi2Sr2CaCu2O8+δ devices.