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Proceedings Paper

Nonclassical light generation from an optical parametric oscillator pumped by a frequency-doubled diode laser
Author(s): Kazuhiro Hayasaka; Yun Zhang; Katsuyuki Kasai
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Paper Abstract

Quantum-correlated twin beams were successfully generated from an optical parametric oscillator (OPO) pumped by a frequency-doubled diode laser. The 50-mW diode laser output at 1080 nm was first converted to 22.5-mW green light, and then was used to pump an OPO to yield signal and idler beams with a total power of 5 mW. Noise reduction of 4.3 dB below the shot-noise level was observed in the intensity-difference spectrum. The setup opens a simple way to a compact and low-cost source of diverse nonclassical states of light.

Paper Details

Date Published: 11 January 2005
PDF: 8 pages
Proc. SPIE 5631, Quantum Optics and Applications in Computing and Communications II, (11 January 2005); doi: 10.1117/12.575661
Show Author Affiliations
Kazuhiro Hayasaka, National Institute of Information and Communications Technology (Japan)
Yun Zhang, National Institute of Information and Communications Technology (Japan)
Katsuyuki Kasai, National Institute of Information and Communications Technology (Japan)


Published in SPIE Proceedings Vol. 5631:
Quantum Optics and Applications in Computing and Communications II
Guang-Can Guo; Hoi-Kwong Lo; Masahide Sasaki; Songhao Liu, Editor(s)

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