| Records |
| Author |
Tretyakov, Ivan; Ryabchun, Sergey; Finkel, Matvey; Maslennikov, Sergey; Maslennikova, Anna; Kaurova, Natalia; Lobastova, Anastasia; Voronov, Boris; Gol'tsman, Gregory |
| Title |
Ultrawide noise bandwidth of NbN hot-electron bolometer mixers with in situ gold contacts |
Type |
Journal Article |
Year  |
2011 |
Publication |
IEEE Trans. Appl. Supercond. |
Abbreviated Journal |
|
| Volume |
21 |
Issue |
3 |
Pages |
620-623 |
| Keywords |
NbN HEB mixer bandwidth |
| Abstract |
We report a noise bandwidth of 7 GHz in the new generation of NbN hot-electron bolometer (HEB) mixers that are being developed for the space observatory Millimetron. The HEB receiver driven by a 2.5-THz local oscillator offered a noise temperature of 600 K in a 50-MHz final detection bandwidth. As the filter center frequency was swept this value remained nearly constant up to the cutoff frequency of the cryogenic amplifier at 7 GHz. We believe that such a low value of the noise temperature is due to reduced radio frequency (RF) loss at the interface between the superconducting film and the gold contacts. We have also performed gain bandwidth measurements at the superconducting transition on HEB mixers with various lengths and found them to be in excellent agreement with the results of the analytical and numerical models developed for the HEB mixer with both diffusion and phonon cooling of hot electrons. |
| Address |
|
| Corporate Author |
|
Thesis |
|
| Publisher |
|
Place of Publication |
|
Editor |
|
| Language |
|
Summary Language |
|
Original Title |
|
| Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
| Series Volume |
|
Series Issue |
|
Edition |
|
| ISSN |
|
ISBN |
|
Medium |
|
| Area |
|
Expedition |
|
Conference |
|
| Notes |
|
Approved |
no |
| Call Number |
RPLAB @ gujma @ |
Serial |
716 |
| Permanent link to this record |
| |
|
| |
| Author |
Marsili, Francesco; Bitauld, David; Fiore, Andrea; Gaggero, Alessandro; Mattioli, Francesco; Leoni, Roberto; Divochiy, Aleksander; Gol'tsman, Gregory |
| Title |
Photon-number-resolution at telecom wavelength with superconducting nanowires |
Type |
Miscellaneous |
| Year |
2010 |
Publication |
IntechOpen |
Abbreviated Journal |
|
| Volume |
|
Issue |
|
Pages |
|
| Keywords |
SSPD, SNSPD |
| Abstract |
|
| Address |
|
| Corporate Author |
|
Thesis |
|
| Publisher |
|
Place of Publication |
|
Editor |
|
| Language |
|
Summary Language |
|
Original Title |
|
| Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
| Series Volume |
|
Series Issue |
|
Edition |
|
| ISSN |
|
ISBN |
|
Medium |
|
| Area |
|
Expedition |
|
Conference |
|
| Notes |
|
Approved |
no |
| Call Number |
RPLAB @ sasha @ marsiliphoton |
Serial |
1036 |
| Permanent link to this record |
| |
|
| |
| Author |
Ryabchun, Sergey; Tong, Cheuk-Yu Edward; Blundell, Raymond; Gol'tsman, Gregory |
| Title |
Stabilization scheme for hot-electron bolometer receivers using microwave radiation |
Type |
Journal Article |
| Year |
2009 |
Publication |
IEEE Trans. Appl. Supercond. |
Abbreviated Journal |
IEEE Trans. Appl. Supercond. |
| Volume |
19 |
Issue |
1 |
Pages |
14-19 |
| Keywords |
HEB, mixer, Allan variance, stabilization, radiometer equation |
| Abstract |
We present the results of a stabilization scheme for terahertz receivers based on NbN hot-electron bolometer (HEB) mixers that uses microwave radiation with a frequency much lower than the gap frequency of NbN to compensate for mixer current fluctuations. A feedback control loop, which actively controls the power level of the injected microwave radiation, has successfully been implemented to stabilize the operating point of the HEB mixer. This allows us to increase the receiver Allan time to 10 s and also improve the temperature resolution of the receiver by about 30% in the total power mode of operation. |
| Address |
|
| Corporate Author |
|
Thesis |
|
| Publisher |
|
Place of Publication |
|
Editor |
|
| Language |
|
Summary Language |
|
Original Title |
|
| Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
| Series Volume |
|
Series Issue |
|
Edition |
|
| ISSN |
1051-8223 |
ISBN |
|
Medium |
|
| Area |
|
Expedition |
|
Conference |
|
| Notes |
|
Approved |
no |
| Call Number |
RPLAB @ lobanovyury @ |
Serial |
559 |
| Permanent link to this record |
| |
|
| |
| Author |
Divochiy, Aleksander; Marsili, Francesco; Bitauld, David; Gaggero, Alessandro; Leoni, Roberto; Mattioli, Francesco; Korneev, Alexander; Seleznev, Vitaliy; Kaurova, Nataliya; Minaeva, Olga; Gol'tsman, Gregory; Lagoudakis, Konstantinos G.; Benkhaoul, Moushab; Lévy, Francis; Fiore, Andrea |
| Title |
Superconducting nanowire photon-number-resolving detector at telecommunication wavelengths |
Type |
Journal Article |
| Year |
2008 |
Publication |
Nat. Photon. |
Abbreviated Journal |
Nat. Photon. |
| Volume |
2 |
Issue |
5 |
Pages |
302-306 |
| Keywords |
SSPD, photon-number-resolving |
| Abstract |
Optical-to-electrical conversion, which is the basis of the operation of optical detectors, can be linear or nonlinear. When high sensitivities are needed, single-photon detectors are used, which operate in a strongly nonlinear mode, their response being independent of the number of detected photons. However, photon-number-resolving detectors are needed, particularly in quantum optics, where n-photon states are routinely produced. In quantum communication and quantum information processing, the photon-number-resolving functionality is key to many protocols, such as the implementation of quantum repeaters1 and linear-optics quantum computing2. A linear detector with single-photon sensitivity can also be used for measuring a temporal waveform at extremely low light levels, such as in long-distance optical communications, fluorescence spectroscopy and optical time-domain reflectometry. We demonstrate here a photon-number-resolving detector based on parallel superconducting nanowires and capable of counting up to four photons at telecommunication wavelengths, with an ultralow dark count rate and high counting frequency. |
| Address |
|
| Corporate Author |
|
Thesis |
|
| Publisher |
|
Place of Publication |
|
Editor |
|
| Language |
|
Summary Language |
|
Original Title |
|
| Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
| Series Volume |
|
Series Issue |
|
Edition |
|
| ISSN |
|
ISBN |
|
Medium |
|
| Area |
|
Expedition |
|
Conference |
|
| Notes |
|
Approved |
no |
| Call Number |
|
Serial |
916 |
| Permanent link to this record |
| |
|
| |
| Author |
Korneev, Alexander; Vachtomin, Yury; Minaeva, Olga; Divochiy, Alexander; Smirnov, Konstantin; Okunev, Oleg; Gol'tsman, Gregory; Zinoni, C.; Chauvin, Nicolas; Balet, Laurent; Marsili, Francesco; Bitauld, David; Alloing, Blandine; Li, Lianhe; Fiore, Andrea; Lunghi, L.; Gerardino, Annamaria; Halder, Matthäus; Jorel, Corentin; Zbinden, Hugo |
| Title |
Single-photon detection system for quantum optics applications |
Type |
Journal Article |
| Year |
2007 |
Publication |
IEEE J. Select. Topics Quantum Electron. |
Abbreviated Journal |
IEEE J. Select. Topics Quantum Electron. |
| Volume |
13 |
Issue |
4 |
Pages |
944-951 |
| Keywords |
SSPD, SNSPD |
| Abstract |
We describe the design and characterization of a fiber-coupled double-channel single-photon detection system based on superconducting single-photon detectors (SSPD), and its application for quantum optics experiments on semiconductor nanostructures. When operated at 2-K temperature, the system shows 10% quantum efficiency at 1.3-¿m wavelength with dark count rate below 10 counts per second and timing resolution <100 ps. The short recovery time and absence of afterpulsing leads to counting frequencies as high as 40 MHz. Moreover, the low dark count rate allows operation in continuous mode (without gating). These characteristics are very attractive-as compared to InGaAs avalanche photodiodes-for quantum optics experiments at telecommunication wavelengths. We demonstrate the use of the system in time-correlated fluorescence spectroscopy of quantum wells and in the measurement of the intensity correlation function of light emitted by semiconductor quantum dots at 1300 nm. |
| Address |
|
| Corporate Author |
|
Thesis |
|
| Publisher |
|
Place of Publication |
|
Editor |
|
| Language |
|
Summary Language |
|
Original Title |
|
| Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
| Series Volume |
|
Series Issue |
|
Edition |
|
| ISSN |
1077-260X |
ISBN |
|
Medium |
|
| Area |
|
Expedition |
|
Conference |
|
| Notes |
|
Approved |
no |
| Call Number |
|
Serial |
430 |
| Permanent link to this record |
