Squeezing the local oscillator does not improve signal-to-noise ratio in heterodyne laser radar |
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| Authors: | Rubin Mark A Kaushik Sumanth |
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| Affiliation: | Lincoln Laboratory, Massachusetts Institute of Technology, Lexington, Massachusetts 02420-9185, USA. rubin@LL.mit.edu |
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| Abstract: | 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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