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11 January 2005 Nonclassical light generation from an optical parametric oscillator pumped by a frequency-doubled diode laser
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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.
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Kazuhiro Hayasaka, Yun Zhang, and Katsuyuki Kasai "Nonclassical light generation from an optical parametric oscillator pumped by a frequency-doubled diode laser", Proc. SPIE 5631, Quantum Optics and Applications in Computing and Communications II, (11 January 2005); https://doi.org/10.1117/12.575661
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