Abstract

There is now considerable interest in the generation of squeezed-state light beams. Based on simple coupled-mode theory, such beams should be obtainable from nearly degenerate forward four-wave mixing using self-phase modulation (SPM) in a single-mode optical fiber. Indeed, experiments to date have successfully verified coupled-mode predictions for the squeezing of classical excess noise¹ and the squeezing of vacuum-state quantum noise.² It has long been known that the SPM interaction will produce enormous spectral broadening when pumped sufficiently hard. Such behavior is beyond the purview of coupled-mode theory, and its quantum noise characteristics have only recently been addressed in a single-temporal-mode treatment.³

© 1987 Optical Society of America