Improved performance from noncollinear pumping in a high-reflectivity Brillouin-enhanced four-wave mixing phase conjugator

A Brillouin-enhanced four-wave mixing conjugator having reflectivities in excess of 10/sup 6/ for probe inputs of less than 1 nJ is described. Improved performance is obtained by using a pumping geometry which minimizes beam distortion and is not precisely counterpropagating. When adjusted for maxim...

Full description

Saved in:
Bibliographic Details
Published in:IEEE journal of quantum electronics 1989-03, Vol.25 (3), p.479-483
Main Authors: Ackerman, J.R., Lebow, P.S.
Format: Article
Language:English
Subjects:
Four-wave mixing
Geometrical optics
Geometry
Laser beams
Laser excitation
Laser modes
Laser theory
Probes
Reflectivity
Solid modeling
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:A Brillouin-enhanced four-wave mixing conjugator having reflectivities in excess of 10/sup 6/ for probe inputs of less than 1 nJ is described. Improved performance is obtained by using a pumping geometry which minimizes beam distortion and is not precisely counterpropagating. When adjusted for maximum reflectance, output in the far field is exactly retroreflective with respect to the input. The output can be steered away from 180 degrees C without severe losses in performance by adjustment of the pumping geometry. Such behavior is consistent with a model based on the extended beam overlap geometry.< >
ISSN:0018-9197
1558-1713
DOI:10.1109/3.18563