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Optical Engineering

Experimental study on mode matching for preparation of squeezed light at 1064 nm
Author(s): Fei Feng; Tongyi Zhang; Wenyan Qu; Jiazheng Song
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Paper Abstract

The effect of mode matching on the preparation of the squeezed light at 1064 nm with periodically poled KTiOPO 4 (PPKTP) crystal is reported. We can derive the desired mode by improving the spatial mode matching into optical cavities, including the beam from the laser mode matched to the optical parametric amplifier cavity and mode cleaning cavity; also it is useful for the stability of the locking systems. By increasing the fringe visibility between the squeezed light and the local oscillator beam, a squeezing level of −8.75  dB or even higher could be observed, even with the same experimental parameters as described elsewhere.

Paper Details

Date Published: 1 August 2013
PDF: 6 pages
Opt. Eng. 52(8) 086102 doi: 10.1117/1.OE.52.8.086102
Published in: Optical Engineering Volume 52, Issue 8
Show Author Affiliations
Fei Feng, Xi'an Institute of Optics and Precision Mechanics (China)
Tongyi Zhang, Xi'an Institute of Optics and Precision Mechanics (China)
Wenyan Qu, Xi'an Institute of Optics and Precision Mechanics (China)
Jiazheng Song, Xi'an Institute of Optics and Precision Mechanics (China)


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