Squeezing the Local Oscillator Does Not Improve Signal-to-Noise Ratio in Heterodyne Laser Radar

Details Squeezing the Local Oscillator Does Not Improve Signal-to-Noise Ratio in Heterodyne Laser Radar Squeezing the Local Oscillator Does Not Improve Signal-to-Noise Ratio in Heterodyne Laser Radar

2006-10-26

arxiv.org/abs/quant-ph/0610230v2

Opt. Lett. 32 (2007) 1369-1371

Physics

Quantum Physics

3 pp., no figs. Typos corrected, discussion extended, conclusions unchanged

Scientific paper

10.1364/OL.32.001369

The signal-to-noise ratio for heterodyne laser radar with a coherent
target-return beam and a squeezed local-oscillator beam is lower than that
obtained using a coherent local oscillator, regardless of the method employed
to combine the beams at the detector.

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