| Records |
Author  |
Elezov, M. S.; Shcherbatenko, M. L.; Sych, D. V.; Goltsman, G. N. |
| Title |
Development of control method for an optimal quantum receiver |
Type |
Conference Article |
| Year |
2020 |
Publication |
J. Phys.: Conf. Ser. |
Abbreviated Journal |
J. Phys.: Conf. Ser. |
| Volume |
1695 |
Issue |
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Pages |
012126 |
| Keywords |
Helstrom bound, SPD, single photon detector, below quantum limit |
| Abstract |
We propose a method for optimal displacement controlling of an optimal quantum receiver for registrations a binary coherent signal. An optimal receiver is able to distinguish between two phase-modulated states of a coherent signal. The optimal receiver controlling method can be used later in practice in various physical implementations of the optimal receiver. |
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| ISSN |
1742-6588 |
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no |
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Serial |
1264 |
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| Author |
Elezov, M.; Ozhegov, R.; Goltsman, G.; Makarov, V. |
| Title |
Countermeasure against bright-light attack on superconducting nanowire single-photon detector in quantum key distribution |
Type |
Journal Article |
| Year |
2019 |
Publication |
Opt. Express |
Abbreviated Journal |
Opt. Express |
| Volume |
27 |
Issue |
21 |
Pages |
30979-30988 |
| Keywords |
SSPD, SNSPD |
| Abstract |
We present an active anti-latching system for superconducting nanowire single-photon detectors. We experimentally test it against a bright-light attack, previously used to compromise security of quantum key distribution. Although our system detects continuous blinding, the detector is shown to be partially blindable and controllable by specially tailored sequences of bright pulses. Improvements to the countermeasure are suggested. |
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English |
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| ISSN |
1094-4087 |
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| Notes |
PMID:31684339 |
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no |
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Serial |
1275 |
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| Author |
Elezov, M.; Scherbatenko, M.; Sych, D.; Goltsman, G.; Arakelyan, S.; Evlyukhin, A.; Kalachev, A.; Naumov, A. |
| Title |
Towards the fiber-optic Kennedy quantum receiver |
Type |
Conference Article |
| Year |
2019 |
Publication |
EPJ Web Conf. |
Abbreviated Journal |
EPJ Web Conf. |
| Volume |
220 |
Issue |
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Pages |
03011 (1 to 2) |
| Keywords |
SSPD, SNSPD, Kennedy quantum receiver |
| Abstract |
We consider practical aspects of using standard fiber-optic elements and superconducting nanowire single-photon detectors for the development of a practical quantum receiver based on the Kennedy scheme. Our receiver allows to discriminate two phase-modulated coherent states of light at a wavelength of 1.5 microns in continuous mode with bit rate 200 Kbit/s and error rate about two times below the standard quantum limit. |
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| ISSN |
2100-014X |
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Approved |
no |
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Serial |
1288 |
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| Author |
Ellison, B. N.; Maddison, B. J.; Matheson, D. N.; Oldfield, M. L.; Marazita, S.; Crowe, T. W.; Maaskant, P.; Kelly, W. M. |
| Title |
First results for a 2.5 THz Schottky diode waveguide mixer |
Type |
Conference Article |
| Year |
1996 |
Publication |
Proc. 7th Int. Symp. Space Terahertz Technol. |
Abbreviated Journal |
Proc. 7th Int. Symp. Space Terahertz Technol. |
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Pages |
494 |
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Charlottesville, Virginia, USA |
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no |
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Serial |
265 |
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| Author |
Elmanov, I.; Elmanova, A.; Komrakova, S.; Golikov, A.; Kaurova, N.; Kovalyuk, V.; Goltsman, G.; Arakelyan, S.; Evlyukhin, A.; Kalachev, A.; Naumov, A. |
| Title |
Method for determination of resists parameters for photonic – integrated circuits e-beam lithography on silicon nitride platform |
Type |
Conference Article |
| Year |
2019 |
Publication |
EPJ Web Conf. |
Abbreviated Journal |
EPJ Web Conf. |
| Volume |
220 |
Issue |
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Pages |
03012 |
| Keywords |
e-beam lithography, Si3N4 |
| Abstract |
In the work the thicknesses of the e-beam resists ZEP 520A and ma-N 2400 by using non-destructive method were measured, as well as recipe for the high ratio between the Si3N4 and the resists etching rate was determined. The work has a practical application for e-beam lithography of photonic-integrated circuits and nanophotonics devices based on silicon nitride platform. |
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| ISSN |
2100-014X |
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no |
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Serial |
1189 |
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