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Author |
Ganzevles, W. F. M.; Gao, J. R.; de Korte, P. A. J.; Klapwijk, T. M. |
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Title |
Direct response of microstrip line coupled Nb THz hot-electron bolometer mixers |
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Journal Article |
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2001 |
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Applied Physics Letters |
Abbreviated Journal |
Appl. Phys. Lett. |
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79 |
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15 |
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2483-2485 |
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0003-6951 |
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311 |
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Dorenbos, S. N.; Reiger, E. M.; Perinetti, U.; Zwiller, V.; Zijlstra, T.; Klapwijk, T. M. |
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Title |
Low noise superconducting single photon detectors on silicon |
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Journal Article |
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2008 |
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Applied Physics Letters |
Abbreviated Journal |
Appl. Phys. Lett. |
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93 |
Issue |
13 |
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131101 |
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0003-6951 |
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RPLAB @ s @ |
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436 |
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Author |
Mason, Whitney; Waterman, J. R. |
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Title |
Electrical and optical characteristics of two color mid wave HgCdTe infrared detectors |
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Journal Article |
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1999 |
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Applied Physics Letters |
Abbreviated Journal |
Appl. Phys. Lett. |
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74 |
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11 |
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1633-1635 |
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0003-6951 |
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RPLAB @ s @ |
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461 |
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Santavicca,D.F.; Reulet,B.; Karasik,B.S.; Pereverzev,S.V.; Olaya, D.; Gershenson, M.E.; Frunzio, L.; Prober, D.E. |
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Title |
Energy resolution of terahertz single-photon-sensitive bolometric detectors |
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Journal Article |
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2010 |
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Applied Physics Letters |
Abbreviated Journal |
Appl. Phys. Lett. |
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96 |
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8 |
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083505 - 083505-3 |
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We report measurements of the energy resolution of ultrasensitive superconducting bolometric detectors. The device is a superconducting titanium nanobridge with niobium contacts. A fast microwave pulse is used to simulate a single higher-frequency photon, where the absorbed energy of the pulse is equal to the photon energy. This technique allows precise calibration of the input coupling and avoids problems with unwanted background photons. Present devices have an intrinsic full-width at half-maximum energy resolution of approximately 23 THz, near the predicted value due to intrinsic thermal fluctuation noise. |
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RPLAB @ akorneev @ |
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601 |
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Yates, S. J. C.; Baryshev, A. M.; Baselmans, J. J. A.; Klein, B.; Güsten, R. |
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Title |
Fast Fourier transform spectrometer readout for large arrays of microwave kinetic inductance detectors |
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Journal Article |
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2009 |
Publication |
Applied Physics Letters |
Abbreviated Journal |
Appl. Phys. Lett. |
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95 |
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4 |
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3 |
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Microwave kinetic inductance detectors have great potential for large, very sensitive detector arrays for use in, for example, submillimeter imaging. Being intrinsically readout in the frequency domain, they are particularly suited for frequency domain multiplexing allowing ~1000 s of devices to be readout with one pair of coaxial cables. However, this moves the complexity of the detector from the cryogenics to the warm electronics. We present here the concept and experimental demonstration of the use of fast Fourier transform spectrometer readout, showing no deterioration of the noise performance compared to the low noise analog mixing while allowing high multiplexing ratios. |
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RPLAB @ gujma @ |
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697 |
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Baryshev A.; Hovenier J.N.; Adam A.J.L.; Kašalynas I.; Gao J.R.; Klaassen T.O.; Williams B.S.; Kumar S.; Hu Q.; Reno J.L. |
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Title |
Phase locking and spectral linewidth of a two-mode terahertz quantum cascade laser |
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Journal Article |
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2006 |
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Physics Letters |
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89 |
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We have studied the phase locking and spectral linewidth of an ~ 2.7 THz quantum cascade laser by mixing its two lateral lasing modes. The beat signal at about 8 GHz is compared with a microwave eference by applying conventional phase lock loop circuitry with feedback to the laser bias current. Phase locking has been demonstrated, resulting in a narrow beat linewidth of less than 10 Hz. Under requency stabilization we find that the terahertz line profile is essentially Lorentzian with a minimum linewidth of ~ 6.3 kHz. Power dependent measurements suggest that this linewidth does not approach the Schawlow-Townes limit. |
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RPLAB @ atomics90 @ |
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967 |
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Author |
An, Zhenghua; Chen, Jeng-Chung; Ueda, T.; Komiyama, S.; Hirakawa, K. |
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Title |
Infrared phototransistor using capacitively coupled two-dimensional electron gas layers |
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Journal Article |
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2005 |
Publication |
Applied Physics Letters |
Abbreviated Journal |
Appl. Phys. Lett. |
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Volume |
86 |
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Pages |
172106 - 172106-3 |
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2DEG |
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RPLAB @ akorneev @ |
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603 |
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Cao, Q.; Yoon, S. F.; Tong, C. Z.; Ngo, C. Y.; Liu, C. Y.; Wang, R.; Zhao, H. X. |
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Title |
Two-state competition in 1.3 μm multilayer InAs/InGaAs quantum dot lasers |
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Journal Article |
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2009 |
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Applied Physics Letters |
Abbreviated Journal |
Appl. Phys. Lett. |
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95 |
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19 |
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3 |
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The competition of ground state (GS) and excited state (ES) is investigated from the as-grown and thermally annealed 1.3 μm ten-layer p-doped InAs/GaAs quantum dot (QD) lasers. The modal gain competition between GS and ES are measured and analyzed around the ES threshold characteristics. Our results show that two-state competition is more significant in devices with short cavity length operating at high temperature. By comparing the as-grown and annealed devices, we demonstrate enhanced GS and suppressed ES lasing from the QD laser annealed at 600 °C for 15 s. |
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RPLAB @ gujma @ |
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673 |
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Author |
Mannino, Giovanni; Spinella, Corrado; Ruggeri, Rosa; La Magna, Antonino; Fisicaro, Giuseppe; Fazio, Enza; Neri, Fortunato; Privitera, Vittorio |
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Title |
Crystallization of implanted amorphous silicon during millisecond annealing by infrared laser irradiation |
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Journal Article |
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2010 |
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Applied Physics Letters |
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Appl. Phys. Lett. |
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97 |
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2 |
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3 |
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We investigated the homogenous nucleation of crystalline grains in amorphous Si during transient temperature pulse of few milliseconds IR laser irradiation. The crystallized volume fraction is ~80%. Significant crystallization occurs in nonsteady regime because of the rapid temperature variation (106 °C/s). Our model combines the time evolution of the crystal grain population with the consumption of the amorphous volume due to the growth of grains. Thanks to the experimental approach based on a laser source to heat α-Si and the theoretical model we extended the description of the spontaneous crystallization up to 1323 K or 250 K above the temperature investigated by conventional annealing. |
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Annealing |
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RPLAB @ gujma @ |
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691 |
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Zwiller, Vale<cc><81>ry; Blom, Hans; Jonsson, Per; Panev, Nikolay; Jeppesen, Sören; Tsegaye, Tedros; Goobar, Edgard; Pistol, Mats-Erik; Samuelson, Lars; Björk, Gunnar |
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Title |
Single quantum dots emit single photons at a time: Antibunching experiments |
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Journal Article |
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Year |
2001 |
Publication |
Applied Physics Letters |
Abbreviated Journal |
Appl. Phys. Lett. |
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Volume |
78 |
Issue |
17 |
Pages |
2476 |
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antibunching, quantum dot |
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0003-6951 |
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