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The Spectrum of Squeezing in Degenerate Four‐Wave Mixing
Author(s) -
Lugiato L. A.,
Kaige Wang
Publication year - 1990
Publication title -
annalen der physik
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.009
H-Index - 68
eISSN - 1521-3889
pISSN - 0003-3804
DOI - 10.1002/andp.19905020703
Subject(s) - physics , amplitude , degenerate energy levels , parameter space , signal (programming language) , phase space , phase (matter) , mixing (physics) , quantum electrodynamics , mode (computer interface) , optics , quantum mechanics , mathematics , computer science , statistics , programming language , operating system
We analyze a simple model for degenerate four wave mixing, introduced by Savage and Walls. In the resonant case, the system exhibits a phase instability when the pump intensity is increased well beyond the threshold for generation of the signal mode. Still in the resonant configuration, we calculate the amplitude and phase squeezing spectra both for the signal and the pump mode. In the signal (pump) mode, the squeezing becomes especially large when the signal (pump) mode is much more damped than the pump (signal) mode. The signal field can exhibit both phase and amplitude squeezing, in distinct domains of the parameter space. On the other hand, the pump field can show squeezing only in the amplitude quadrature component. In general, the model exhibits sizable squeezing over very extended regions of the parameter space.