Theory of noiseless phase-mixing amplification in a cavity optomechanical system

Abstract

The investigation of the ultimate limits imposed by quantum mechanics on amplification represents an important topic both on a fundamental level and from the perspective of potential applications. We propose here a novel setup for an optomechanical amplifier, constituted by a mechanical resonator dispersively coupled to an optomechanical cavity asymmetrically driven around both mechanical sidebands. We show that, on general grounds, the present amplifier operates in a novel regime-- which we here call phase-mixing amplification. At the same time, for a suitable choice of parameters, the amplifier proposed here operates as a phase-sensitive amplifier. Furthermore, we show that both configurations allow amplification below the standard quantum limit in a parameter range compatible with current experiments in microwave circuit optomechanics.

10 pages, 9 figures, typos fixed, figures improved

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Cited by in corpus (7)

• Realization of directional amplification in a microwave optomechanical device
• Ultra-precision quantum sensing and measurement based on nonlinear hybrid optomechanical systems containing ultracold atoms or atomic Bose-Einstein condensate
• Revealing hidden quantum correlations in an electromechanical measurement
• Optimal unidirectional amplification induced by optical gain in optomechanical systems
• Strong quadrature squeezing and quantum amplification in a coupled Bose-Einstein condensate- optomechanical cavity via coherent modulation
• Negative cavity photon spectral function in an optomechanical system with two parametrically-driven mechanical modes
• Optomechanical microwave amplification without mechanical amplification