Experimental study on mode matching for preparation of squeezed light at 1064 nm

Fei Feng; Tongyi Zhang; Wenyan Qu; Jiazheng Song

doi:10.1117/1.OE.52.8.086102

1 August 2013 Experimental study on mode matching for preparation of squeezed light at 1064 nm

Fei Feng, Tongyi Zhang, Wenyan Qu, Jiazheng Song

Author Affiliations +

Funded by: National Natural Science Foundation of China

Optical Engineering, Vol. 52, Issue 8, 086102 (August 2013). https://doi.org/10.1117/1.OE.52.8.086102

Abstract

The effect of mode matching on the preparation of the squeezed light at 1064 nm with periodically poled KTiOPO₄ (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.

Citation Download Citation

Fei Feng, Tongyi Zhang, Wenyan Qu, and Jiazheng Song "Experimental study on mode matching for preparation of squeezed light at 1064 nm," Optical Engineering 52(8), 086102 (1 August 2013). https://doi.org/10.1117/1.OE.52.8.086102

Published: 1 August 2013

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