Dr. Varun S. Kamboj Profile

Dr. Varun S. Kamboj

at Univ of Cambridge

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Author

Publications (6)

Proceedings Article | 1 March 2019 Paper

Temperature dependence of the ferromagnetic response in CrxSb2-xTe3 topological insulator thin films investigated using terahertz spectroscopy and magneto-transport.

Varun Kamboj, Angadjit Singh, Lukas Jakob, Liam Duffy, Noorhayati Idros, Satyaprasad Senanayak, Adrian Ionescu, Harvey Beere, Crispin H. Barnes, Thorsten Hesjedal, David Ritchie

Proceedings Volume 10917, 109171T (2019) https://doi.org/10.1117/12.2503102

KEYWORDS: Chromium, Terahertz radiation, Magnetism, Thin films, Terahertz spectroscopy

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Proceedings Article | 14 September 2018 Presentation + Paper

Metamaterial/graphene amplitude and frequency modulators for the active control of terahertz quantum cascade lasers

R. Degl'Innocenti, Stephen Kindness, Nikita Almond, Binbin Wei, Robert Wallis, Varun Kamboj, Philipp Braeuninger-Weimer, Stephan Hofmann, Harvey Beere, David Ritchie

Proceedings Volume 10756, 107560U (2018) https://doi.org/10.1117/12.2320506

KEYWORDS: Graphene, Quantum cascade lasers, Modulators, Terahertz radiation, Resonators, Metamaterials, Modulation, Optoelectronics

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Proceedings Article | 23 February 2018 Paper

THz carrier dynamics and magnetotransport study of topological surface states in thin film Bi2Se3

Varun Kamboj, Angadjit Singh, Thierry Ferrus, Harvey Beere, Liam Duffy, Thorsten Hesjedal, Crispin H. Barnes, David Ritchie

Proceedings Volume 10531, 105310I (2018) https://doi.org/10.1117/12.2289116

KEYWORDS: Terahertz radiation, Bismuth, Scattering, Thin films, Wet etching, Etching, Magnetism

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Proceedings Article | 24 February 2017 Paper

Temperature evolution of topological surface states in bismuth selenide thin films studied using terahertz spectroscopy

Varun Kamboj, Angadjit Singh, Harvey Beere, Thorsten Hesjedal, Crispin H. Barnes, David Ritchie

Proceedings Volume 10103, 101030D (2017) https://doi.org/10.1117/12.2249587

KEYWORDS: Sapphire, Terahertz radiation, Terahertz spectroscopy, Spectroscopy, Bismuth, Thin films, Picosecond phenomena, Carrier dynamics, Optical spectroscopy, Selenium, Phonons, Resistance

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Proceedings Article | 25 February 2016 Paper

Fast terahertz optoelectronic amplitude modulator based on plasmonic metamaterial antenna arrays and graphene

David Jessop, Christian W. Sol, Long Xiao, Stephen Kindness, Philipp Braeuninger-Weimer, Hungyen Lin, Jonathan Griffiths, Yuan Ren, Varun Kamboj, Stephan Hofmann, J. Axel Zeitler, Harvey Beere, David Ritchie, Riccardo Degl'Innocenti

Proceedings Volume 9747, 97471E (2016) https://doi.org/10.1117/12.2210984

KEYWORDS: Graphene, Terahertz radiation, Modulators, Optoelectronics, Modulation, Plasmonics, Metamaterials, Antennas, Terahertz technology, Optoelectronic devices, Resistance, Roentgenium, Quantum cascade lasers, Electrodes, Gold

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Proceedings Article | 25 February 2016 Paper

Low-bias gate tunable terahertz plasmonic signatures in chemical vapour deposited graphene of varying grain size

Varun Kamboj, Philipp Braeuninger-Weimer, Piran Kidambi, David Jessop, Angadjit Singh, Juraj Sibik, Yuan Ren, Stephan Hofmann, J. Axel Zeitler, Harvey Beere, David Ritchie

Proceedings Volume 9747, 974707 (2016) https://doi.org/10.1117/12.2209724

KEYWORDS: Graphene, Terahertz radiation, Plasmonics, Surface plasmons, Electromagnetism, Spectroscopy, Doping, Ions, Plasma, Absorption, Chemical vapor deposition, Phase velocity

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Showing 5 of 6 publications

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