Quantum Theory of Multiport Optical Homodyning
- 1 January 1987
- journal article
- research article
- Published by Taylor & Francis in Journal of Modern Optics
- Vol. 34 (1), 15-60
- https://doi.org/10.1080/09500348714550131
Abstract
Multiport optical homodyning concerns the combining of a local oscillator with N − 1 signals of the same frequency in a lossless 2N-port junction or an N × N directional coupler. An operator representation is derived for quantum measurements made on these signals in the limit of a strong local oscillator. The local oscillator may otherwise be in an arbitrary quantum state.Keywords
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