Dissertations
– Behnam Mirzaei, PhD thesis: “Quantum cascade lasers as super terahertz local oscillators for astronomy” (Download)
-Yuan Ren, PhD Thesis: “Super-terahertz heterodyne spectrometer using a quantum cascade laser” (Download)
-Merlijn Hajenius, PhD Thesis: “Terahertz heterodyne mixing with a hot electron bolometer and a quantum cascade laser” (Download)
-Rami Barends, PhD Thesis: “Photon-detecting superconducting resonators” (Download)
-W.F.M. Ganzevles: “A quasi-optical THz mixer: Based on a Nb diffusion-cooled hot-electron bolometer” (Download)
-D. Wilms Floet: “Hotspot mixing in THz niobium superconducting hot electon bolometer mixers” (Download)
Selected Publications
2017
2016
B. Mirzaei, D. Hayton, D. Thoen, J.R. Gao, T-Y Kao, Q. Hu, J. Reno, ” Frequency Tuning of Third-Order Distributed Feedback Terahertz Quantum Cascade Lasers by SiO2 and PMMA”, IEEE Trans. Terahertz Science and Technology, (online) 2016
Yang Yang, David Burghoff, Darren J. Hayton, Jian-Rong Gao, John L. Reno, and Qing Hu, Terahertz multiheterodyne spectroscopy using laser frequency combs, Optica, 3(5), 499-502 (2016)
Michael D. Audley, Gert de Lange, Jian-Rong Gao, Pourya Khosropanah, Richard Hijmering, Marcel Ridder, Philip D. Mauskopf, Dmitry Morozov, Neil A. Trappe, and Stephen Doherty, Optical performance of an ultra-sensitive horn-coupled transition-edge-sensor bolometer with hemispherical backshort in the far infrared, Review of Scientific Instruments, 87, 043103 (2016)
T. Suzuki, P. Khosropanah, M.L. Ridder, R.A. Hijmering, J.R. Gao, H. Akamatsu, L. Gottardi, J. van der Kuur and B.D. Jackson, Development of Ultra-low Noise TES Bolometer Arrays, J. Low. Temp. Phys., DOI 10.1007/s10909-015-1401-z (online)
2015
N. van Marrewijk, B. Mirzaei, D. Hayton, J. R. Gao, T. Y. Kao, Q. Hu, and J. L. Reno, Frequency Locking and Monitoring Based on Bi-directional Terahertz Radiation of a 3rd-order Distributed Feedback Quantum Cascade Laser, J. Infrared Milli Terahz Waves, DOI 10.1007/s10762-015-0210-4 (2015)
E. E. Orlova, J. N. Hovenier, P. J. de Visser, and J. R. Gao, “Image beam from a wire laser”, Phys. Rev. A 91, 051802(R), 2015
David Burghoff, Yang Yang, Darren J. Hayton, Jian-Rong Gao, John L. Reno, and Qing Hu, “Evaluating the coherence and time-domain profile of quantum cascade laser frequency combs,” Opt. Express, 23, 1190-1202 (2015).
2014
L. Gottardi, A. Kozorezov, H. Akamatsu, J. van der Kuur, M. P. Bruijn, R. H. den Hartog, R. Hijmering, P. Khosropanah, C. Lambert, A. J. van der Linden, M. L. Ridder, T. Suzuki, and J. R. Gao, Josephson effects in an alternating current biased transition edge sensor, Applied Physics Letters 105, 162605 (2014).
David Burghoff, Tsung-Yu Kao, Ningren Han, Chun Wang Ivan Chan, Xiaowei Cai, Yang Yang,Darren J. Hayton, Jian-Rong Gao, John L. Reno & Qing Hu, Terahertz laser frequency comb, Nature Photonics, 8, 462–467 (2014) doi:10.1038/nphoton.2014.85
T. Suzuki, P.Khosropanah, R.A. Hijmering, M. Ridder, M. Schoemans, H. Hoevers and J.R. Gao, Performance of SAFARI Short-Wavelength-Band Transition Edge Sensors (TES) Fabricated by Deep Reactive Ion Etching, IEEE Transactions on Terahertz Science and Technology, 4, P171-178, 2014
L. Gottardi, H. Akamatsu, M. Bruijn, J.-R. Gao, R. den Hartog, R. Hijmering, H. Hoevers, P. Khosropanah, A. Kozorezov, J. van der Kuur, A. van der Linden, M. Ridder” Weak-Link Phenomena in AC-Biased Transition Edge Sensors”, Journal of Low Temperature Physics 10.1007/s10909-014-1093-9, 2014
2013
D. J. Hayton, A. Khudchencko, D. G. Pavelyev, J. N. Hovenier, A. Baryshev, J. R. Gao, T. Y. Kao, Q. Hu, J. L. Reno, and V. Vaks, Phase locking of a 3.4 THz third-order distributed feedback quantum cascade laser using a room-temperature superlattice harmonic mixer, Appl. Phys. Lett., 103, 051115 (2013).
M. Cui, J. N. Hovenier, Y. Ren, N. Vercruyssen, J. R. Gao, T. Y. Kao, Q. Hu, and J. L. Reno, Beam and phase distributions of a terahertz quantum cascade wire laser, Appl. Phys. Lett., 102, 111113 (2013).
J. L. Kloosterman, D. J. Hayton, Y. Ren, T. Y. Kao, J. N. Hovenier, J. R. Gao, T. M. Klapwijk, Q. Hu, C. K. Walker, and J. L. Reno, Hot electron bolometer heterodyne receiver with a 4.7-THz quantum cascade laser as a local oscillator, Appl. Phys. Lett., 102, 011123 (2013).
2012
B. D. Jackson, P. A. J. de Korte, J. van der Kuur, P. D. Mauskopf, J. Beyer, M. P. Bruijn, A. Cros, J.-R. Gao, D. Griffin, R. den Hartog, M. Kiviranta, G. de Lange, B.-J. van Leeuwen, C. Macculi, L. Ravera, N. Trappe, H. van Weers, and S. Withington, “The SPICA-SAFARI Detector System: TES Detector Arrays with Frequency Division Multiplexed SQUID Readout”, IEEE Trans. Terahertz Science and Technology, Vol. 2, pages 12-21 (2012).
Y. Ren, D.J. Hayton, J.N. Hovenier, M. Cui, J.R. Gao, T.M. Klapwijk, S.C. Shi, T-Y. Kao, Q. Hu, and J.L. Reno, Frequency and amplitude stabilized terahertz quantum cascade laser as local oscillator, Appl. Phys. Lett., 101, 101111 (2012).
M. Cui, J.N. Hovenier, Y. Ren, A. Polo, and J. R. Gao, Terahertz wavefronts measured using the Hartmann sensor principle, Optics Express, 20, pp. 14380-14391 (2012).
Y. Ren, J.N. Hovenier, M. Cui, D.J. Hayton, J.R. Gao, T.M. Klapwijk, S.C. Shi, T-Y. Kao, Q. Hu, and J. L. Reno, Frequency locking of single-mode 3.5-THz quantum cascade lasers using a gas cell, Appl. Phys. Lett., 100, 041111(2012).
D.J. Hayton, J.R. Gao, J.W. Kooi, Y. Ren, W. Zhang, and G. de Lange, Stabilized hot electron bolometer heterodyne receiver at 2.5 THz, Appl. Phys. Lett., 100, 081102(2012).
2011
Erik L. Kollberg, Sigfrid Yngvesson, Yuan Ren, Wen Zhang, Pourya Khosropanah, and Jian-Rong Gao, “Impedance of Resistive Thin Film Devices at Terahertz Frequencies”, IEEE Transitions on Terahertz Science and Technology, 1, 383-389 (2011).
W. Zhang, J. R. Gao, M. Hajenius, W. Miao, P. Khosropanah, T. M. Klapwijk, and S. C. Shi “Twin-slot antenna coupled NbN hot electron bolometer mixer at 2.5 THz”, IEEE Transitions on Terahertz Science and Technology, 1, 378 -382 (2011).
Y. Ren, J.N. Hovenier, R. Higgins, J.R. Gao, T.M. Klapwijk, S.C. Shi, B. Klein, T-Y. Kao, Q. Hu, and J. L. Reno, High-resolution heterodyne spectroscopy using a tunable quantum cascade laser around 3.5 THz. Applied Physics Letters, 98, 231109(2011).
2010
W. Zhang, P. Khosropanah, J. R. Gao, E. L. Kollberg, K. S. Yngvesson, T. Bansal, R. Barends, and T. M. Klapwijk “Quantum noise in a terahertz hot electron bolometer mixer”, Appl. Phys. Lett. 96, 111113 (2010).
Graauw, Th de, Helmich, F, Phillips, TG, Stutzki, …J, Gao, J.R. + many other authors (2010). The Herschel-Heterodyne Instrument for the Far-Infrared (HIFI). Astronomy & astrophysics, 518(2), 1-7.
W. Zhang, P. Khosropanah, J. R. Gao, T. Bansal, T. M. Klapwijk, W. Miao, and S. C. Shi, “Noise temperature and beam pattern of a NbN hot electron bolometer mixer at 5.25 THz”, Journal of Applied Physics, 108, 093102(2010).
Y. Ren, J.N. Hovenier, R. Higgins, J.R. Gao, T.M. Klapwijk, S.C. Shi, A. Bell, B. Klein, B. S. Williams, S. Kumar, Q. Hu, and J. L. Reno, “Terahertz heterodyne spectrometer using a quantum cascade laser”, Applied Physics Letters, 97, 161105 (2010) (3 pages).
2009
R. Barends, S. van Vliet, J.J.A. Baselmans, S.J.C. Yates, J.R. Gao, and T.M. Klapwijk, “Enhancement of quasiparticle recombination in Ta and Al superconductors by implantation of magnetic and nonmagnetic atoms”, Phys. Rev B, 79, 020509(2009).
Wild, W; Kardashev, NS; Likhachev, SF… J.R. Gao, et al. “Millimetron-a large Russian-European submillimeter space observatory”. EXPERIMENTAL ASTRONOMY 23 Issue: 1 Pages: 221-244 Published: 2009
P. Khosropanah, A. Baryshev, W. Zhang, W. Jellema, J. N. Hovenier, J. R. Gao, T. M. Klapwijk, D. G. Paveliev, B. S. Williams, S. Kumar, Q. Hu, J. L. Reno, B. Klein, and J. L. Hesler, “Phase locking of a 2.7 THz quantum cascade laser to a microwave reference,” Opt. Lett. 34, 2958-2960 (2009)
2008
M. Hajenius, P. Khosropanah, J.N. Hovenier, J.R. Gao, T.M. Klapwijk, S. Barbieri, S. Dhillon, P. Filloux, C. Sirtori, D.A. Ritchie, and H.E. Beere, “Surface plasmon quantum cascade lasers as terahertz local oscillators” Optics Letters, 33, 312 (2008)
R. Barends, J. J. A. Baselmans, S. J. C. Yates, J. R. Gao, J. N. Hovenier, T. M. Klapwijk, “Quasiparticle lifetime and noise in tantalum high Q superconducting resonators”, JOURNAL OF LOW TEMPERATURE PHYSICS, 151, Pages: 518-523, 2008.
R. Barends, J. J. A. Baselmans, S. J. C. Yates, J. R. Gao, J. N. Hovenier, and T. M. Klapwijk Quasiparticle Relaxation in Optically Excited High-Q Superconducting Resonators, Phys. Rev. Lett. 100, 257002 (2008).
R. Barends, H. L. Hortensius, T. Zijlstra, J. J. A. Baselmans, S. J. C. Yates, J. R. Gao, and T. M. Klapwijk, Contribution of dielectrics to frequency and noise of NbTiN superconducting resonators, Applied Physics Letters, 92, 223502(2008).
P. Khosropanah, W. Zhang, J. N. Hovenier, J. R. Gao, T. M. Klapwijk, M. I. Amanti, G. Scalari, and J. Faist, “3.4 THz heterodyne receiver using a hot electron bolometer and a distributed feedback quantum cascade laser”. JOURNAL OF APPLIED PHYSICS 104, 113106 (2008).
2007
J. W. Kooi, J. J. A. Baselmans, M. Hajenius, J. R. Gao, T. M. Klapwijk, P. Dieleman, A. Baryshev, and G. de Lange, “IF impedance and mixer gain of NbN hot-electron bolometers”, J. Appl. Phys. 101 (4). 044511 (2007).
J. R. Gao, M. Hajenius, F. D. Tichelaar, T. M. Klapwijk, B. Voronov, E. Grishin, G. Gol’tsman, C. A. Zorman and M. Mehregany, “MonocrystallineNbNnanofilms on a 3C-SiC/Si substrate,” Applied Physics Letters 91, 062504 (2007),
P. Khosropanah, J. R. Gao, W. M. Laauwen, M. Hajenius, and T. M. Klapwijk, “ Low noise NbN hot electron bolometer mixer at 4.3 THz”, Appl. Phys. Lett. 91, 221111 (2007).
2006
Z. Q. Yang, M. Hajenius, J. J. A. Baselmans, J. R. Gao, B. Voronov, and G. N. Gol’tsman, “Reduced noise in NbN hot electron bolometer mixers by annealing” Supercond. Sci. Technol. 19 (2006) L9-L12 (Rapid Com.).
A. J.L. Adam, I. Kašalynas, J.N. Hovenier, T.O. Klaassen, J.R. Gao, E.E. Orlova, B.S. Williams, S. Kumar, Q. Hu, and J. L. Reno, “Beam pattern of Terahertz quantum cascade lasers with sub-wavelength cavity dimensions”, Appl. Phys. Lett. 88, 151105(2006)
E.E. Orlova, J.N. Hovenier, T.O. Klaassen, I. Kašalynas, A. J.L. Adam, J.R. Gao, T.M. Klapwijk, B.S. Williams, S. Kumar, Q. Hu, and J. L. Reno, “Antenna model for wire lasers”, Phys. Rev. Lett. 96, 173904(2006).
A. Baryshev, J.N. Hovenier, A.J.L. Adam, I. Kašalynas, J.R. Gao, T.O. Klaassen, B.S. Williams, S. Kumar, Q. Hu, and J. L. Reno, “Phase-locking and spectral linewidth of a two-mode terahertz quantum cascade laser”, Appl. Phys. Lett. 89, 031115 (2006).
J. W. Kooi , J. J. A. Baselmans, A. Baryshev, R. Schieder , M. Hajenius, J. R. Gao, T. M. Klapwijk, B. Voronov, and G. Gol’tsman, “Stability of heterodyne terahertz receivers”, J. Appl. Phys. 100, 064904 (2006)
J.J.A. Baselmans, A. Baryshev, S.F. Reker, M. Hajenius, J.R. Gao, T.M. Klapwijk, B. Voronov, and G. Gol’tsman, “Infuence of the direct response on the heterodyne sensitivity of hot electron bolometer mixers”, J. Appl. Phys. 100, 084510 (2006).
M. Hajenius, J.J.A. Baselmans, A. Baryshev, J.R. Gao, T.M. Klapwijk, J.W. Kooi, W. Jellema, and Z.Q. Yang, “Full characterization and analysis of a THz heterodyne receiver based on a NbN hot electron bolometer”, J. Appl. Phys., 100, 074507(2006).
2005
J. J. A. Baselmans, A. Baryshev, S. F. Reker, M. Hajenius, J. R. Gao, T. M. Klapwijk, Yu. Vachtomin, S. Maslennikov, S. Antipov, B. Voronov, and G. Gol’tsman, “Direct detection effect in small volume hot electron bolometer mixers”, Appl. Phys. Lett. 86, 163503 (2005).
J. R. Gao, J. N. Hovenier, Z. Q. Yang, J. J. A. Baselmans, A. Baryshev, M. Hajenius, T. M. Klapwijk, A. J. L. Adam, T. O. Klaassen. B. S. Williams, S. Kumar, Q. Hu, and J. L. Reno, “Terahertz heterodyne receiver based on a quantum cascade laser and a superconducting bolometer” Appl. Phys. Lett. 86, 244104 (2005).
R. Barends, M. Hajenius, J. R. Gao, and T. M. Klapwijk,”Current-induced vortex unbinding in bolometer mixers’, Appl. Phys. Lett. 87, 263506 (2005)
2004
J. J. A. Baselmansa, M. Hajenius, J. R. Gao, T. M. Klapwijk, P. A. J. de Korte, B. Voronov and G. Gol’tsman “Doubling of sensitivity and bandwidth in phonon cooled hot electron bolometer mixers” Appl. Phys. Lett, 84, 1958-1961 (2004).
M. Hajenius, J. J. A. Baselmans, J. R. Gao, T.M. Klapwijk, P. A. J. de Korte, B. Voronov and G. Gol’tsman, “Low noise NbN superconducting hot electron bolometer mixers at 1.9 and 2.5 THz”, Supercond. Sci. Technol. 17, S224–S228 (2004).