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Noise in homodyne and heterodyne detection
Abstract
Quantum-mechanical calculations of the mean-square fluctuation spectra in optical homodyning and heterodyning are made for arbitrary input and local-oscillator quantum states. In addition to the unavoidable quantum fluctuations, it is shown that excess noise from the local oscillator always affects homodyning and, when it is broadband, also heterodyning. Both the quantum and the excess noise of the local oscillator can be eliminated by coherent subtraction of the two outputs of a 50-50 beam splitter. This result also demonstrates the fact that the basic quantum noise in homodyning and heterodyning is signal quantum fluctuation, not local-oscillator shot noise.
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Citations
Cited by
Smithey, D. T., Beck, M., Raymer, M. G., & Faridani, A. (1993) · Physical Review Letters · doi:10.1103/physrevlett.70.1244 · Cited by 1,538
Quantum nondemolition measurement of the photon number via the optical Kerr effect
Imoto, N., Haus, H. A., & Yamamoto, Y. (1985) · Physical Review A · doi:10.1103/physreva.32.2287 · Cited by 567
The Quantum Theory of Optical Communications
Shapiro, J. H. (2009) · IEEE Journal of Selected Topics in Quantum Electronics · doi:10.1109/jstqe.2009.2024959 · Cited by 145
Versatile wideband balanced detector for quantum optical homodyne tomography
Kumar, R., Barrios, E., MacRae, A., Cairns, E., Huntington, E. H., & Lvovsky, A. I. (2012) · Optics Communications · doi:10.1016/j.optcom.2012.07.103 · Cited by 132
Chi, Y.-M., Qi, B., Zhu, W., Qian, L., Lo, H.-K., Youn, S.-H., Lvovsky, A. I., & Tian, L. (2011) · New Journal of Physics · doi:10.1088/1367-2630/13/1/013003 · Cited by 130
Metadata
- Authors
- Yuen, H. P., & Chan, V. W. S.
- Venue
- Optics Letters
- Publisher
- Optica Publishing Group
- Published
- 1983-03-01
- Volume
- 8
- Issue
- 3
- Pages
- 177
- ISSN
- 0146-9592 (ISSN-L)
- 1539-4794
- OpenAlex
- W2079671637
- Cited by
- 740
- References
- 0
- FWCI
- 21.61
- Type
- journal article
- Language
- en
- Open access
- closed
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- Yuen, H. P., & Chan, V. W. S. (1983). Noise in homodyne and heterodyne detection. Optics Letters. https://doi.org/10.1364/ol.8.000177
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