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Author Hocker, L. O.; Sokoloff, D. R.; Daneu, V.; Szoke, A.; Javan, A.
Title Frequency mixing in the infrared and far-infrared using a metal-to-metal point contact diode Type Journal Article
Year (up) 1968 Publication Applied Physics Letters Abbreviated Journal Appl Phys Lett
Volume 12 Issue 12 Pages
Keywords optical antennas
Abstract Metal‐to‐metal point contact diodes were used to obtain the 54‐GHz beat notes between two adjacent 10.6‐μ CO2 laser transitions. The speed of the diodes in the far‐infrared is at least 1000 GHz. This was tested with a 337‐μ HCN laser.
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Call Number RPLAB @ gujma @ Serial 742
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Author Karasik, B. S.; Elantiev, A. I.
Title Noise temperature limit of a superconducting hot-electron bolometer mixer Type Journal Article
Year (up) 1996 Publication Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.
Volume 68 Issue 6 Pages 853-855
Keywords HEB mixer noise temperature, Johnson noise, thermal fluctuation noise, noise bandwidth
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Call Number Serial 260
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Author Karasik, B. S.; Il'in, K. S.; Pechen, E. V.; Krasnosvobodtsev, S. I.
Title Diffusion cooling mechanism in a hot-electron NbC microbolometer mixer Type Journal Article
Year (up) 1996 Publication Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.
Volume 68 Issue 16 Pages 2285-2287
Keywords HEB mixer, diffusion cooling channel, diffusion channel
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Call Number Serial 262
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Author Floet, D. Wilms; Baselmans, J. J. A.; Klapwijk, T. M.; Gao, J. R.
Title Resistive transition of niobium superconducting hot-electron bolometer mixers Type Journal Article
Year (up) 1998 Publication Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.
Volume 73 Issue 19 Pages 2826
Keywords HEB
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Call Number Serial 543
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Author Burke, P. J.; Schoelkopf, R. J.; Prober, D. E.; Skalare, A.; Karasik, B. S.; Gaidis, M. C.; McGrath, W. R.; Bumble, B.; Leduc, H. G.
Title Spectrum of thermal fluctuation noise in diffusion and phonon cooled hot-electron mixers Type Journal Article
Year (up) 1998 Publication Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.
Volume 72 Issue 12 Pages 1516-1518
Keywords HEB mixer; thermal fluctuation noise; TFN
Abstract A systematic study of the intermediate frequency noise bandwidth of Nb thin-film superconducting hot-electron bolometers is presented. We have measured the spectrum of the output noise as well as the conversion efficiency over a very broad intermediate frequency range (from 0.1 to 7.5 GHz) for devices varying in length from 0.08 μm to 3 μm. Local oscillator and rf signals from 8 to 40 GHz were used. For a device of a given length, the spectrum of the output noise and the conversion efficiency behave similarly for intermediate frequencies less than the gain bandwidth, in accordance with a simple thermal model for both the mixing and thermal fluctuation noise. For higher intermediate frequencies the conversion efficiency decreases; in contrast, the noise decreases but has a second contribution which dominates at higher frequency. The noise bandwidth is larger than the gain bandwidth, and the mixer noise is low, between 120 and 530 K (double side band).
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Call Number RPLAB @ gujma @ Serial 760
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Author Mason, Whitney; Waterman, J. R.
Title Electrical and optical characteristics of two color mid wave HgCdTe infrared detectors Type Journal Article
Year (up) 1999 Publication Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.
Volume 74 Issue 11 Pages 1633-1635
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Call Number RPLAB @ s @ Serial 461
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Author Hoevers, H. F. C.; Bento, A. C.; Bruijn, M. P.; Gottardi, L.; Korevaar, M. A. N.; Mels, W. A.; de Korte, P. A. J.
Title Thermal fluctuation noise in a voltage biased superconducting transition edge thermometer Type Journal Article
Year (up) 2000 Publication Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.
Volume 77 Issue 26 Pages 4421-4424
Keywords TES; bolometer; thermal fluctuation noise; TFN
Abstract The current noise at the output of a microcalorimeter with a voltage biased superconducting transition edge thermometer is studied in detail. In addition to the two well-known noise sources: thermal fluctuation noise from the heat link to the bath and Johnson noise from the resistive thermometer, a third noise source strongly correlated with the steepness of the thermometer is required to fit the measured noise spectra. Thermal fluctuation noise, originating in the thermometer itself, fully explains the additional noise. A simple model provides quantitative agreement between the observed and calculated noise spectra for all bias points in the superconducting transition.
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Call Number RPLAB @ gujma @ Serial 759
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Author Ganzevles, W. F. M.; Gao, J. R.; de Korte, P. A. J.; Klapwijk, T. M.
Title Direct response of microstrip line coupled Nb THz hot-electron bolometer mixers Type Journal Article
Year (up) 2001 Publication Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.
Volume 79 Issue 15 Pages 2483-2485
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Call Number Serial 311
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Author Zwiller, Vale<cc><81>ry; Blom, Hans; Jonsson, Per; Panev, Nikolay; Jeppesen, Sören; Tsegaye, Tedros; Goobar, Edgard; Pistol, Mats-Erik; Samuelson, Lars; Björk, Gunnar
Title Single quantum dots emit single photons at a time: Antibunching experiments Type Journal Article
Year (up) 2001 Publication Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.
Volume 78 Issue 17 Pages 2476
Keywords antibunching, quantum dot
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Call Number Serial 502
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Author Zwiller, V.; Aichele, T.; Seifert, W.; Persson, J.; Benson, O.
Title Generating visible single photons on demand with single InP quantum dots Type Journal Article
Year (up) 2003 Publication Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.
Volume 82 Issue 10 Pages 1509-1511
Keywords single photon, quantum dot, InP
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Call Number Serial 503
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Author Siddiqi, I.; Prober, D. E.
Title Nb–Au bilayer hot-electron bolometers for low-noise THz heterodyne detection Type Journal Article
Year (up) 2004 Publication Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.
Volume 84 Issue 8 Pages 1404
Keywords HEB, mixers, dynamic range, saturation, LO power, local oscillator power, Nb
Abstract The sensitivity of present Nb diffusion-cooled hot-electron bolometer (HEB) mixers is not quantum limited, and can be improved by reducing the superconducting transition temperature TC. Lowering TC reduces thermal fluctuations, resulting in a decrease of the mixer noise temperature TM. However, lower TC mixers have reduced dynamic range and saturate more easily due to background noise. We present 30 GHz microwave measurements on a bilayer HEB system, Nb–Au, in which TC can be tuned with Au layer thickness to obtain the maximum sensitivity for a given noise background. These measurements are intended as a guide for the optimization of THz mixers. Using a Nb–Au mixer with TC = 1.6 K, we obtain TM = 50 K with 2 nW of local oscillator (LO) power. Good mixer performance is observed over a wide range of LO power and bias voltage and such a device should not exhibit saturation in a THz receiver.
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Call Number Serial 571
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Author An, Zhenghua; Chen, Jeng-Chung; Ueda, T.; Komiyama, S.; Hirakawa, K.
Title Infrared phototransistor using capacitively coupled two-dimensional electron gas layers Type Journal Article
Year (up) 2005 Publication Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.
Volume 86 Issue Pages 172106 - 172106-3
Keywords 2DEG
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Call Number RPLAB @ akorneev @ Serial 603
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Author Barends, R.; Hajenius, M.; Gao, J. R.; Klapwijk, T. M.
Title Current-induced vortex unbinding in bolometer mixers Type Journal Article
Year (up) 2005 Publication Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.
Volume 87 Issue Pages 263506 (1 to 3)
Keywords HEB mixer numerical model, HEB model, IV-curves, vortex-antivortex, Berezinskii–Kosterlitz–Thouless theory, diffusion cooling channel, diffusion channel, distributed HEB model, distributed model, self-heating effect, temperature profile
Abstract We present a description of the current-voltage characteristics of hot electron bolometers in terms of the current-dependent intrinsic resistive transition of NbN films. We find that, by including this current dependence, we can correctly predict the complete current-voltage characteristics, showing excellent agreement with measurements for both low and high bias and for small as well as large devices. It is assumed that the current dependence is due to vortex-antivortex unbinding as described in the Berezinskii–Kosterlitz–Thouless theory. The presented approach will be useful in guiding device optimization for noise and bandwidth.
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Call Number Serial 604
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Author Hadfield, Robert. H.; Habif, Jonathan L.; Schlafer, John; Schwall, Robert. E.; Nam, Sae Woo
Title Quantum key distribution at 1550 nm with twin superconducting single-photon detectors Type Journal Article
Year (up) 2006 Publication Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.
Volume 89 Issue 24 Pages 241129
Keywords SSPD, quantum cryptography
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Call Number Serial 533
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Author Rodriguez-Morales, F.; Zannoni, R.; Nicholson, J.; Fischetti, M.; Yngvesson, K. S.; Appenzeller, J.
Title Direct and heterodyne detection of microwaves in a metallic single wall carbon nanotube Type Journal Article
Year (up) 2006 Publication Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.
Volume 89 Issue 8 Pages 083502
Keywords carbon nanotube, GHz heterodyne detector, direct detector
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Call Number Serial 565
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