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Gershenzon, E. M.; Gol'tsman, G. N.; Semenov, A. D.; Sergeev, A. V. |
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Title |
Mechanism of picosecond response of granular YBaCuO films to electromagnetic radiation |
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Year |
1990 |
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Solid State Communications |
Abbreviated Journal |
Solid State Communications |
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Volume |
76 |
Issue |
4 |
Pages |
493-497 |
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YBCO HTS detectors |
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The ultrafast mechanisms of radiation detection in granular YBaCuO films are studied in the wide wavelength range from millimeter to near infrared. With the rise of radiation frequency the Josephson detection at the grain boundary weak links is replaced by electron heating into the grains. This change occurs in the submillimeter wavelength range. Electron-phonon relaxation time τeph is determined by direct measurements and analyses quasistationary electron heating. Temperature dependence of τeph at T ≤ 40 K was found to be τeph ∼ T−1. The results show that detectors with the response time of few picoseconds at nitrogen temperature are attainable. |
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0038-1098 |
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1685 |
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Gershenzon, E. M.; Gol'tsman, G. N.; Karasik, B. S.; Semenov, A. D. |
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Title |
Measurement of the energy gap in the compound YBaCu3O9-δ on the basis of the IR absorption spectrum |
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Journal Article |
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Year |
1987 |
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JETP Lett. |
Abbreviated Journal |
JETP Lett. |
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Volume |
46 |
Issue |
5 |
Pages |
237-238 |
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Keywords |
YBCO HTS detectors |
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For the first time the long-wave infrared absorption spectrum has been measured by means of the bolometric effect and energy gap for high-temperature superconducting ceramics YBa/sub 2/Cu/sub 3/O/sub 9-delta/ has been determined from absorption threshold. 2delta/kT/sub c/ value is equal to 0.6. |
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1703 |
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Gershenzon, E. M.; Goltsman, G.; Orlova, S.; Ptitsina, N.; Gurvich, Y. |
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Title |
Germanium hot-electron narrow-band detector |
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Journal Article |
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Year |
1971 |
Publication |
Sov. Radio Engineering And Electronic Physics |
Abbreviated Journal |
Sov. Radio Engineering And Electronic Physics |
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Volume |
16 |
Issue |
8 |
Pages |
1346 |
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Keywords |
Ge HEB detectors |
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Scripps Clinic Res Foundation 476 Prospect St, La Jolla, Ca 92037 |
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1741 |
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Fedorov, G. E.; Stepanova, T. S.; Gazaliev, A. S.; Gaiduchenko, I. A.; Kaurova, N. S.; Voronov, B. M.; Goltzman, G. N. |
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Title |
Asymmetric devices based on carbon nanotubes for terahertz-range radiation detection |
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Journal Article |
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Year |
2016 |
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Semicond. |
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Semicond. |
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Volume |
50 |
Issue |
12 |
Pages |
1600-1603 |
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Keywords |
carbon nanotubes, CNT detectors |
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Various asymmetric detecting devices based on carbon nanotubes (CNTs) are studied. The asymmetry is understood as inhomogeneous properties along the conducting channel. In the first type of devices, an inhomogeneous morphology of the CNT grid is used. In the second type of devices, metals with highly varying work functions are used as the contact material. The relation between the sensitivity and detector configuration is analyzed. Based on the data obtained, approaches to the development of an efficient detector of terahertz radiation, based on carbon nanotubes are proposed. |
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1063-7826 |
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1776 |
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Ryzhii, V.; Otsuji, T.; Ryzhii, M.; Leiman, V. G.; Fedorov, G.; Goltzman, G. N.; Gayduchenko, I. A.; Titova, N.; Coquillat, D.; But, D.; Knap, W.; Mitin, V.; Shur, M. S. |
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Title |
Two-dimensional plasmons in lateral carbon nanotube network structures and their effect on the terahertz radiation detection |
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Journal Article |
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Year |
2016 |
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J. Appl. Phys. |
Abbreviated Journal |
J. Appl. Phys. |
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120 |
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4 |
Pages |
044501 (1 to 13) |
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Keywords |
carbon nanotubes, CNT detectors, plasmons |
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We consider the carrier transport and plasmonic phenomena in the lateral carbon nanotube (CNT) networks forming the device channel with asymmetric electrodes. One electrode is the Ohmic contact to the CNT network and the other contact is the Schottky contact. These structures can serve as detectors of the terahertz (THz) radiation. We develop the device model for collective response of the lateral CNT networks which comprise a mixture of randomly oriented semiconductor CNTs (s-CNTs) and quasi-metal CNTs (m-CNTs). The proposed model includes the concept of the collective two-dimensional (2D) plasmons in relatively dense networks of randomly oriented CNTs (CNT “felt”) and predicts the detector responsivity spectral characteristics exhibiting sharp resonant peaks at the signal frequencies corresponding to the 2D plasmonic resonances. The detection mechanism is the rectification of the ac current due the nonlinearity of the Schottky contact current-voltage characteristics under the conditions of a strong enhancement of the potential drop at this contact associated with the plasmon excitation. The detector responsivity depends on the fractions of the s- and m-CNTs. The burning of the near-contact regions of the m-CNTs or destruction of these CNTs leads to a marked increase in the responsivity in agreement with our experimental data. The resonant THz detectors with sufficiently dense lateral CNT networks can compete and surpass other THz detectors using plasmonic effects at room temperatures. |
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0021-8979 |
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1777 |
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Dube, I.; Jiménez, D.; Fedorov, G.; Boyd, A.; Gayduchenko, I.; Paranjape, M.; Barbara, P. |
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Title |
Understanding the electrical response and sensing mechanism of carbon-nanotube-based gas sensors |
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Journal Article |
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Year |
2015 |
Publication |
Carbon |
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Carbon |
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87 |
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330-337 |
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carbon nanotubes, CNT detectors, field effect transistors, FET |
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Gas sensors based on carbon nanotube field effect transistors (CNFETs) have outstanding sensitivity compared to existing technologies. However, the lack of understanding of the sensing mechanism has greatly hindered progress on calibration standards and customization of these nano-sensors. Calibration requires identifying fundamental transistor parameters and establishing how they vary in the presence of a gas. This work focuses on modeling the electrical response of CNTFETs in the presence of oxidizing (NO2) and reducing (NH3) gases and determining how the transistor characteristics are affected by gas-induced changes of contact properties, such as the Schottky barrier height and width, and by the doping level of the nanotube. From the theoretical fits of the experimental transfer characteristics at different concentrations of NO2 and NH3, we find that the CNTFET response can be modeled by introducing changes in the Schottky barrier height. These changes are directly related to the changes in the metal work function of the electrodes that we determine experimentally, independently, with a Kelvin probe. Our analysis yields a direct correlation between the ON – current and the changes in the electrode metal work function. Doping due to molecules adsorbed at the carbon-nanotube/metal interface also affects the transfer characteristics. |
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0008-6223 |
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1778 |
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Akhmadishina, K. F.; Bobrinetskiy, I. I.; Komarov, I. A.; Malovichko, A. M.; Nevolin, V. K.; Fedorov, G. E.; Golovin, A. V.; Zalevskiy, A. O.; Aidarkhanov, R. D. |
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Fast-response biological sensors based on single-layer carbon nanotubes modified with specific aptamers |
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Journal Article |
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2015 |
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Semicond. |
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Semicond. |
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49 |
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13 |
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1749-1753 |
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carbon nanotubes, CNT detectors |
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The possibility of the fabrication of a fast-response biological sensor based on a composite of single-layer carbon nanotubes and aptamers for the specific detection of proteins is shown. The effect of modification of the surface of the carbon nanotubes on the selectivity and sensitivity of the sensors is investigated. It is shown that carboxylated nanotubes have a better selectivity for detecting thrombin. |
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1063-7826 |
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1783 |
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Author |
Kostiuk, Theodor |
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Title |
Heterodyne spectroscopy in the thermal infrared region: a window on physics and chemistry |
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Conference Article |
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2003 |
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Proc. International Thermal Detectors Workshop (TDW'03), session 7 (Heterodyne detectors) |
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HgCdTe detector |
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3501 University Boulevar East Adelphi, MD 20783 |
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University of Maryland Inn and Conference Center |
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372 |
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Arams, F.; Allen, C.; Peyton, B.; Sard, E. |
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Millimeter mixing and detection in bulk InSb |
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Conference Article |
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1966 |
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Proc. IEEE |
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54 |
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4 |
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612-622 |
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InSb, mixer, detector |
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219 |
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Zhou, Y.D.; Becker, C. R.; Ashokan, R.; Selamet, Y.; Chang, Y.; Boreiko, R. T.; Betz, A. L.; Sivananthan, S. |
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Title |
Progress in far-infrared detection technology |
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Conference Article |
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2002 |
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Proc. SPIE |
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Volume |
4795 |
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121-128 |
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HgCdTe/CdTe, detector |
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II-VI intrinsic very long wavelength infrared (VLWIR, λc~20 to 50 μm) materials, HgCdTe alloys as well as HgCdTe/CdTe superlattices, were grown by molecular beam epitaxy (MBE). The layers were characterized by means of X-ray diffraction, conventional Fourier transform infrared spectroscopy, Hall effect measurements and transmittance electron microscopy (TEM). Photoconductor devices were processed and their spectral response was also measured to demonstrate their applicability in the VLWIR region. |
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Longshore, R. E.; Sivananthan, S. |
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Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series |
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471 |
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Verevkin, A.; Slysz, W.; Pearlman, A.; Zhang, J.; Sobolewski, R.; Okunev, O.; Korneev, A.; Kouminov, P.; Smirnov, K.; Chulkova, G.; Gol’tsman, G. N.; Currie, M. |
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Title |
Real-time GHz-rate counting of infrared photons using nanostructured NbN superconducting detectors |
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Conference Article |
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2003 |
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CLEO/QELS |
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CLEO/QELS |
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CThM8 |
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NbN SSPD; SNSPD; Infrared; Quantum detectors; Detectors; Photon counting; Quantum communications; Quantum cryptography; Single photon detectors; Superconductors |
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We demonstrate that our ultrathin, nanometer-width NbN superconducting single-photon detectors are capable of above 1-GHz-frequency, real-time counting of near-infrared photons. The measured system jitter of the detector is below 15 ps. |
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Optical Society of America |
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Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference |
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1517 |
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Zhizhon, Yan; Majedi, Hamed A. |
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Optoelectronic mixing in the NbN superconducting nanowire single photon detectors |
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Conference Article |
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2009 |
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Proc. SPIE |
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Proc. SPIE |
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3786 |
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9 |
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Optoelectronic devices, microwave superconductivity, nonlinearity, single photon detector, superconductivity, nanowire, optical mixing, microwave mixers, amplitude modulation, intensity modulation. |
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In this paper, we present our experimental results on the electrically pumped optoelectronic mixing effect exhibited in a niobium nitride (NbN) superconducting nanowire. The experimental setup in order to test the mixer has been reported in detail. This superconductive nanowire optoelectronic mixer demonstrates photodetection and mixing in an integrated manner. We have explored both effects under a great variety of external conditions, such as temperature and bias current, in order to seek potential ways toward quantum optoelectronic detection and mixing by such nanowire device. |
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RPLAB @ gujma @ |
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651 |
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Rath, P.; Vetter, A.; Kovalyuk, V.; Ferrari, S.; Kahl, O.; Nebel, C.; Goltsman, G. N.; Korneev, A.; Pernice, W. H. P. |
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Travelling-wave single-photon detectors integrated with diamond photonic circuits: operation at visible and telecom wavelengths with a timing jitter down to 23 ps |
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Conference Article |
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2016 |
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Integrated Optics: Devices, Mat. Technol. XX |
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Integrated Optics: Devices, Mat. Technol. XX |
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9750 |
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135-142 |
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SSPD, Superconducting Nanowire Single-Photon Detector, SNSPD, Single Photon Detector, Diamond Photonics, Diamond Integrated Optics, Diamond Waveguides, Integrated Optics, Low Timing Jitter |
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We report on the design, fabrication and measurement of travelling-wave superconducting nanowire single-photon detectors (SNSPDs) integrated with polycrystalline diamond photonic circuits. We analyze their performance both in the near-infrared wavelength regime around 1600 nm and at 765 nm. Near-IR detection is important for compatibility with the telecommunication infrastructure, while operation in the visible wavelength range is relevant for compatibility with the emission line of silicon vacancy centers in diamond which can be used as efficient single-photon sources. Our detectors feature high critical currents (up to 31 μA) and high performance in terms of efficiency (up to 74% at 765 nm), noise-equivalent power (down to 4.4×10-19 W/Hz1/2 at 765 nm) and timing jitter (down to 23 ps). |
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Spie |
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Broquin, J.-E.; Conti, G.N. |
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1210 |
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Doerr, C.R.; Zhang, C.; Winzer, P.J. |
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Monolithic InP multi-wavelength coherent receiver |
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Conference Article |
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2010 |
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Conference on optical fiber communication, collocated national fiber optic engineers conference |
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Conf. OFC/NFOEC |
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1-3 |
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InP balanced detector, waveguide grating, polarization splitter, from chiralphotonics |
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We propose and demonstrate a novel four-channel monolithic polarization-diversity dual-quadrature coherent receiver with balanced detection in InP. It uses an interleave-chirped arrayed waveguide grating that acts simultaneously as a demultiplexer, 90° hybrid, and polarization splitter. |
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851 |
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Author |
Palma, F.; Teppe, F.; Fatimy, A. E.; Green, R.; Xu, J.; Vachontin, Y.; Tredicucci, A.; Goltsman, G.; Knap, W. |
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Title |
THz communication system based on a THz quantum cascade laser and a hot electron bolometer |
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2010 |
Publication |
35th Int. Conf. Infrared, Millimeter, and Terahertz Waves |
Abbreviated Journal |
35th Int. Conf. Infrared, Millimeter, and Terahertz Waves |
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11623798 (1 to 2) |
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QCL, HEB detector |
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We present the experimental study of the direct emission – detection system based on the THz Quantum Cascade Laser as a source and Hot Electron Bolometer (HEB) detector – in view of its application as an optical communication system. We show that the system can efficiently transmit the QCL Terahertz pulses. We estimate the maximal modulation speed of the system to be about several GHz and show that it is limited only by the QCL pulse power supply, detector amplifier and connection line/wires parameters. |
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