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Possible Approach to Improve Sensitivity of a Michelson Interferometer |
| FU Jian1;TANG Shao-Fang2 |
| 1State Key Lab of Modern Optical Instrumentation, Department of Optical Engineering, Zhejiang University, Hangzhou 3100272College of Science, Hangzhou Teachers' College, Hangzhou 310036 |
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| Cite this article: |
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FU Jian, TANG Shao-Fang 2007 Chin. Phys. Lett. 24 2193-2196 |
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Abstract We propose a possible approach to achieve a 1/N sensitivity of Michelson interferometer by using a properly designed random phase modulation. Different from other approaches, the sensitivity improvement does not depend on increasing optical powers or utilizing the quantum properties of light. Moreover the requirements for optical losses and the quantum efficiencies of photodetection systems may be lower than the quantum approaches and the sensitivity improvement is independent of frequency in all the detection bands.
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| Keywords:
04.80.Nn
42.87.Bg
07.60.Ly
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Received: 22 December 2006
Published: 25 July 2007
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| PACS: |
04.80.Nn
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(Gravitational wave detectors and experiments)
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42.87.Bg
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(Phase shifting interferometry)
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07.60.Ly
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(Interferometers)
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