| Records |
| Author |
Semenov, A.; Goltsman, G.; Korneev, A. |
| Title |
Quantum detection by current carrying superconducting film |
Type |
Journal Article |
| Year |
2001 |
Publication |
Phys. C: Supercond. |
Abbreviated Journal |
Phys. C: Supercond. |
| Volume |
351 |
Issue |
4 |
Pages |
349-356 |
| Keywords |
quantum detection, phase slip centers, quasiparticle diffusion |
| Abstract |
We describe a novel quantum detection mechanism in the superconducting film carrying supercurrent. The mechanism incorporates growing normal domain and breaking of superconductivity by the bias current. A single photon absorbed in the film creates transient normal spot that causes redistribution of the current and, consequently, increase of the current density in superconducting areas. When the current density exceeds the critical value, the film switches into resistive state and generates the voltage pulse. Analysis shows that a submicron-wide film of conventional low temperature superconductor operated in liquid helium may detect single far-infrared photon. The amplitude and duration of the voltage pulse are in the millivolt and picosecond range, respectively. The quantitative model is presented that allows simulation of the detector utilizing this detection mechanism. |
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0921-4534 |
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Bingham, S. J.; Börger, B.; Suter, D.; Thomson, A. J. |
| Title |
The design and sensitivity of microwave frequency optical heterodyne receivers |
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Journal Article |
| Year |
1998 |
Publication |
Review of Scientific Instruments |
Abbreviated Journal |
Rev. Sci. Instrum. |
| Volume |
69 |
Issue |
9 |
Pages |
3403-3409 |
| Keywords |
optical mixing |
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0034-6748 |
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508 |
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| Author |
Tonguz, O.K.; Hwang, B. |
| Title |
Noise performance of AFC loops in optical heterodyne receivers |
Type |
Conference Article |
| Year |
1993 |
Publication |
Proc. Lasers and Electro-Optics Society Annual Meeting |
Abbreviated Journal |
Proc. LEOS |
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361-362 |
| Keywords |
optical mixing |
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San Jose, CA, USA |
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510 |
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Koshelets, V. P. |
| Title |
Integrated superconducting submm receivers |
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Miscellaneous |
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2004 |
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511 |
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Statue of the SIR program for SR&T (extension to 1 THz) |
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2004 |
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512 |
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