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Updated: Jun 20, 2026

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Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
Published on: May 30, 2014
Improved optical local-oscillator isolation using multiple acousto-optic modulators and frequency diversity
J F Holmes1, F Amzajerdian, J M Hunt
1Department of Applied Physics and Electrical Engineering, Oregon Graduate Center, 19600 N.W. Von Neumann Drive, Beaverton, Oregon 97006-1999, USA.
Optics Letters
|September 11, 2009
Abstract:
A technique is described and experimental evidence presented for obtaining ultrahigh isolation between the optical local oscillator and the transmitter in heterodyne systems. A degree of isolation that results in an equivalent fed-back optical signal that is more than 200 dB below the transmitted power level has been achieved.
