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Jpn. J. Appl. Phys. 40 (2001) pp. L1220-L1222  |Next Article|  |Table of Contents|
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Letter

Nonlinear Polarization Interferometer for Photon-Number Squeezed Light Generation

Junichi Higuchi, Norihiko Nishizawa, Masakazu Mori¹, Kazuo Yamane² and Toshio Goto

Department of Quantum Engineering, Nagoya University, Chikusa-ku, Nagoya 464-8603, Japan
¹Department of Information Network Engineering, Aichi Institute of Technology, Yakusa-cho, Toyota 470-0392, Japan
²Photonic Systems Development Department, Fujitsu Ltd., Nakahara-ku, Kawasaki 211-8588, Japan

(Received September 10, 2001; accepted for publication September 29, 2001)

We propose a new scheme of photon-number squeezed light generation using a nonlinear polarization interferometer which is constructed by the cascade connection of two polarization-maintaining fibers. Since it is possible to generate photon-number squeezed light by only passing an optical pulse through an optical fiber without spatial alignment, it is expected that the squeezed light can easily and stably be generated in this scheme. The magnitude of maximum squeezing in the numerical analysis is estimated to be about -13 dB. Since the arbitrary dividing ratio and two outputs can be obtained by merely turning the half-wave plates on the input and output side, photon-number squeezed light can be generated for the broad input and output power ranges.

URL: http://jjap.jsap.jp/link?JJAP/40/L1220/
DOI: 10.1143/JJAP.40.L1220
KEYWORDS:photon-number squeezed light, quantum noise, nonlinear optical effect, optical fiber

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