Silicon nitride Mach-Zehnder interferometer for on-chip quantum random number generation

A. Prokhodtsov; V. Kovalyuk; P. An; A. Golikov; R. Shakhovoy; V. Sharoglazova; A. Udaltsov; Y. Kurochkin; G. Goltsman

doi:10.1088/1742-6596/1695/1/012118

Silicon nitride Mach-Zehnder interferometer for on-chip quantum random number generation

A. Prokhodtsov, V. Kovalyuk, P. An, A. Golikov, R. Shakhovoy, V. Sharoglazova, A. Udaltsov, Y. Kurochkin, G. Goltsman

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Abstract

In this work, we experimentally studied silicon nitride Mach-Zehnder interferometer (MZI) with two directional couplers and 400 ps optical delay line for telecom wavelength 1550 nm. We achieved the extinction ratio in a range of 0.76-13.86 dB and system coupling losses of 28-44 dB, depending on the parameters of directional couplers. The developed interferometer is promising for the use in a compact random number generator for the needs of a fully integrated quantum cryptography system, where compact design, as well as high generation speed, are needed.

Original language	English
Article number	012118
Journal	Journal of physics: Conference series
Volume	1695
Issue number	1
DOIs	https://doi.org/10.1088/1742-6596/1695/1/012118
Publication status	Published - 28 Dec 2020
Externally published	Yes
Event	7th International School and Conference "SaintPetersburg OPEN 2020" on Optoelectronics, Photonics, Engineering and Nanostructures - Saint Petersburg, Russian Federation Duration: 27 Apr 2020 → 30 Apr 2020 Conference number: 7

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10.1088/1742-6596/1695/1/012118Licence: CC BY

Prokhodtsov_2020_J._Phys.__Conf._Ser._1695_012118Final published version, 1.25 MBLicence: CC BY

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title = "Silicon nitride Mach-Zehnder interferometer for on-chip quantum random number generation",

abstract = "In this work, we experimentally studied silicon nitride Mach-Zehnder interferometer (MZI) with two directional couplers and 400 ps optical delay line for telecom wavelength 1550 nm. We achieved the extinction ratio in a range of 0.76-13.86 dB and system coupling losses of 28-44 dB, depending on the parameters of directional couplers. The developed interferometer is promising for the use in a compact random number generator for the needs of a fully integrated quantum cryptography system, where compact design, as well as high generation speed, are needed.",

author = "A. Prokhodtsov and V. Kovalyuk and P. An and A. Golikov and R. Shakhovoy and V. Sharoglazova and A. Udaltsov and Y. Kurochkin and G. Goltsman",

note = "Funding Information: We acknowledge support of the Russian Science Foundation grant No. 19-72-10156 (waveguide fabrication), grant No. 16-12-00045 (experimental study of Mach-Zehnder interferometer with delay line), grant No. 17-71-20146 (theoretical and numerical calculations), as well as grant No.17-72-30036 (experimental study of directional coupler splitting coefficient). Publisher Copyright: {\textcopyright} Published under licence by IOP Publishing Ltd.; 7th International School and Conference {"}SaintPetersburg OPEN 2020{"} on Optoelectronics, Photonics, Engineering and Nanostructures ; Conference date: 27-04-2020 Through 30-04-2020",

year = "2020",

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doi = "10.1088/1742-6596/1695/1/012118",

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T1 - Silicon nitride Mach-Zehnder interferometer for on-chip quantum random number generation

AU - Prokhodtsov, A.

AU - Kovalyuk, V.

AU - An, P.

AU - Golikov, A.

AU - Shakhovoy, R.

AU - Sharoglazova, V.

AU - Udaltsov, A.

AU - Kurochkin, Y.

AU - Goltsman, G.

N1 - Conference code: 7

PY - 2020/12/28

Y1 - 2020/12/28

N2 - In this work, we experimentally studied silicon nitride Mach-Zehnder interferometer (MZI) with two directional couplers and 400 ps optical delay line for telecom wavelength 1550 nm. We achieved the extinction ratio in a range of 0.76-13.86 dB and system coupling losses of 28-44 dB, depending on the parameters of directional couplers. The developed interferometer is promising for the use in a compact random number generator for the needs of a fully integrated quantum cryptography system, where compact design, as well as high generation speed, are needed.

AB - In this work, we experimentally studied silicon nitride Mach-Zehnder interferometer (MZI) with two directional couplers and 400 ps optical delay line for telecom wavelength 1550 nm. We achieved the extinction ratio in a range of 0.76-13.86 dB and system coupling losses of 28-44 dB, depending on the parameters of directional couplers. The developed interferometer is promising for the use in a compact random number generator for the needs of a fully integrated quantum cryptography system, where compact design, as well as high generation speed, are needed.

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DO - 10.1088/1742-6596/1695/1/012118

M3 - Conference article

AN - SCOPUS:85098881204

SN - 1742-6588

VL - 1695

JO - Journal of physics: Conference series

JF - Journal of physics: Conference series

IS - 1

M1 - 012118

T2 - 7th International School and Conference "SaintPetersburg OPEN 2020" on Optoelectronics, Photonics, Engineering and Nanostructures

Y2 - 27 April 2020 through 30 April 2020

ER -

Silicon nitride Mach-Zehnder interferometer for on-chip quantum random number generation

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