Quantum noise properties of parametric amplifiers driven by two pump waves | Zendy

C. J. McKinstrie | Zendy; Stojan Radic | Zendy; Michael G. Raymer | Zendy

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Quantum noise properties of parametric amplifiers driven by two pump waves

Author(s) -

C. J. McKinstrie,

Stojan Radic,

Michael G. Raymer

Publication year - 2004

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/opex.12.005037

Subject(s) - sideband , physics , quantum noise , optics , noise (video) , amplifier , parametric statistics , signal (programming language) , bandwidth (computing) , noise temperature , noise floor , acoustics , quantum , phase noise , telecommunications , optoelectronics , noise measurement , computer science , noise reduction , quantum mechanics , microwave , statistics , mathematics , cmos , artificial intelligence , image (mathematics) , programming language

In a parametric amplifier (PA) driven by two pump waves the signal sideband is coupled to three idler sidebands, all of which are frequency-converted (FC) images of the signal, and two of which are phaseconjugated (PC) images of the signal. If such a device is to be useful, the signal must be amplified, and the PC and FC idlers must be produced, with minimal noise. In this paper the quantum noise properties of two-sideband (TS) parametric devices are reviewed and the properties of many-sideband devices are determined. These results are applied to the study of two-pump PAs, which are based on the aforementioned four-sideband (FS) interaction. As a general guideline, the more sidebands that interact, the higher are the noise levels. However, if the pump frequencies are tuned to maximize the frequency bandwidth of the FS interaction, the signal and idler noise-figures are only slightly higher than the noise figures associated with the limiting TS interactions.

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