| Records |
| Author |
Smolyaninov, I. I.; Zayats, A. V.; Stanishevsky, A.; Davis, C. C. |
| Title |
Optical control of photon tunneling through an array of nanometer-scale cylindrical channels |
Type |
Journal Article |
| Year |
2002 |
Publication |
Phys. Rev. B |
Abbreviated Journal |
Phys. Rev. B |
| Volume |
66 |
Issue |
20 |
Pages |
205414_1-205414_5 |
Keywords  |
optical mixing |
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Edition |
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| ISSN |
1098-0121 |
ISBN |
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no |
| Call Number |
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Serial |
499 |
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| Author |
Semenov, Alexei; Hübers, Heinz-Wilhelm; Engel, Andreas; Gol'tsman, Gregory N. |
| Title |
Background limited superconducting quantum detector for astronomy |
Type |
Abstract |
| Year |
2002 |
Publication |
NASA/ADS |
Abbreviated Journal |
NASA/ADS |
| Volume |
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Issue |
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Pages |
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| Keywords |
SQD |
| Abstract |
We present the concept of the superconducting quantum detector for astronomy. Response to a single absorbed photon appears due to successive formation of a normal spot and phase-slip-centers in a narrow strip carrying sub-critical supercurrent. The detector simultaneously has a moderate energy resolution and a variable cut-off wavelength depending on both the material used and operation conditions. We simulated performance of the background-limited direct detector having the 100- micrometer cut-off wavelength. Low dark count rate will allow to realize 10-21 W Hz-1/2 noise equivalent power at 4 K background radiation. The intrinsic recovery time of the counter is rather determined by diffusion of nonequilibrium electrons, thus, thermal fluctuations do not hamper energy resolution of the detector. Provided an appropriate readout technique, the resolution should be better than 1/20 at 50- micrometer wavelength. Planar layout and relatively simple technology favor integration of the detector into an array. |
| Address |
Monterey, CA |
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Far-IR, Sub-mm & MM Detector Technology Workshop, held 1-3 April 2002 |
| Notes |
id.62 |
Approved |
no |
| Call Number |
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Serial |
1535 |
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| Author |
Semenov, A.; Hübers, H.-W.; Engel, A.; Gol’tsman, G. |
| Title |
Superconducting quantum detector for far infrared astronomy |
Type |
Conference Article |
| Year |
2002 |
Publication |
Far-IR, Sub-mm & MM Detector Technology Workshop |
Abbreviated Journal |
Far-IR, Sub-mm & MM Detector Technology Workshop |
| Volume |
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Issue |
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Pages |
3-49 |
| Keywords |
SQD |
| Abstract |
We present the concept of the superconducting quantum detector for astronomy. Response to a single absorbed photon appears due to successive formation of a normal spot and phase-slip-centres in a narrow strip carrying sub-critical supercurrent. The detector simultaneously has a moderate energy resolution and a variable cut-off wavelength depending on both the material used and operation conditions. We simulated performance of the background-limited direct detector having the 100-micrometer cut-off wavelength. Low dark count rate will allow to realise 10-21 W Hz-1/2 noise equivalent power at 4 K background radiation. The detection mechanism provides a moderate 1/20 energy resolution at 50-micrometer wavelength. |
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NASA |
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Editor |
Wolf, J.; Farhoomand, J.; McCreight, C.R. |
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NASA CP |
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| Notes |
Volume: 211408 |
Approved |
no |
| Call Number |
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Serial |
1538 |
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| Author |
Peter H. Siegel |
| Title |
Terahertz technology |
Type |
Journal Article |
| Year |
2002 |
Publication |
IEEE Trans. Microw. Theory Techn. |
Abbreviated Journal |
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| Volume |
50 |
Issue |
3 |
Pages |
910-928 |
| Keywords |
THz applications |
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no |
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Serial |
494 |
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| Author |
Ito, Hiroshi |
| Title |
High frequency photodiode work in Japan |
Type |
Manuscript |
| Year |
2002 |
Publication |
Report at NTT photonics laboratories |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
1-4 |
| Keywords |
THz, terahertz communications, photodiode |
| Abstract |
The recent progress in the device performance of the uni-traveling-carrier photodiode (UTC-PD) is described. The UTC-PD utilizes only electrons as the active carriers, and this unique feature is the key to achieving excellent high-speed and high-output characteristics simultaneously. The achieved performance includes a record 3-dB bandwidth of 310 GHz, high-power photonic millimeter-wave generation with an output power of over +13 dBm at 100 GHz, high-output-voltage photoreceiver operation at bit rates of up to 80 Gbit/s, and demultiplexing operation at 200 Gbit/s using a monolithic PD-EAM optical gate. |
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no |
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596 |
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