Experimental study on the imaging of the squeezed-state light with a virtual object

Baozhu Lu; Siwen Bi; Fei Feng; Menghua Kang; Fei Qin

doi:10.1117/1.OE.51.11.119001

1 November 2012 Experimental study on the imaging of the squeezed-state light with a virtual object

Baozhu Lu, Siwen Bi, Fei Feng, Menghua Kang, Fei Qin

Author Affiliations +

Optical Engineering, Vol. 51, Issue 11, 119001 (November 2012). https://doi.org/10.1117/1.OE.51.11.119001

Abstract

A stable amplitude squeezed-state light was generated by utilizing the nondegenerate optical parametric amplifier based on periodically poled KTiOPO₄ crystal at 1064 nm. We observed - 4.93 dB of squeezing with a local oscillator phase locked in homodyne measurement. The imaging experiments of the resolution target have shown that the imaging resolution, which was based on squeezed-state light, is 1.41 times as much as the resolution that was acquired using coherent light as light source. In addition, the squeezed-state light was applied for imaging of the virtual object. It was found that the characters on the board were much more easily discerned with squeezed light as a light source than with coherent light. This result paves the way for further improvements of imaging resolution by use of the squeezed-state light.

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Baozhu Lu, Siwen Bi, Fei Feng, Menghua Kang, and Fei Qin "Experimental study on the imaging of the squeezed-state light with a virtual object," Optical Engineering 51(11), 119001 (1 November 2012). https://doi.org/10.1117/1.OE.51.11.119001

Published: 1 November 2012

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