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Elezov, M. S.; Scherbatenko, M. L.; Sych, D. V.; Goltsman, G. N. |
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Title |
Active and passive phase stabilization for the all-fiber Michelson interferometer |
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Conference Article |
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Year |
2018 |
Publication |
J. Phys.: Conf. Ser. |
Abbreviated Journal |
J. Phys.: Conf. Ser. |
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Volume |
1124 |
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Pages |
051014 (1 to 5) |
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Keywords |
Michelson interferometer, phase stabilization |
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Abstract |
We put forward two methods for phase stabilization in the all-fiber Michelson interferometer. To perform passive phase stabilization, we use a heat bath for all fibers and electro-optical components, and put the interferometer in a hermetic case. To perform active phase stabilization, we monitor output power of the interferometer and develop an electronic feedback control. The phase stabilization methods enable stable interference pattern for several minutes, and can be helpful for the development of the optimal quantum receiver for coherent signals. |
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1742-6588 |
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1299 |
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Author |
Elezov, M.; Scherbatenko, M.; Sych, D.; Goltsman, G.; Arakelyan, S.; Evlyukhin, A.; Kalachev, A.; Naumov, A. |
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Title |
Towards the fiber-optic Kennedy quantum receiver |
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Conference Article |
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Year |
2019 |
Publication |
EPJ Web Conf. |
Abbreviated Journal |
EPJ Web Conf. |
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Volume |
220 |
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03011 (1 to 2) |
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Keywords |
SSPD, SNSPD, Kennedy quantum receiver |
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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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2100-014X |
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1288 |
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