Photodetection method using unbalanced sidebands for squeezed quantum noise in a gravitational wave interferometer
- 5 June 2003
- journal article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 67 (12)
- https://doi.org/10.1103/physrevd.67.122001
Abstract
Homodyne detection is one of the ways to circumvent the standard quantum limit for a gravitational wave detector. In this paper it will be shown that the same quantum-non-demolition effect using homodyne detection can be realized by heterodyne detection with unbalanced RF sidebands. Furthermore, a broadband quantum-non-demolition readout scheme can also be realized by the unbalanced sideband detection.Comment: 9 pages, 5 figureKeywords
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