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Soviet Physics Uspekhi Volume 35 Number 6 Create an alert RSS this journal

O V Kulagin et al 1992 Sov. Phys. Usp. 35 506 doi:10.1070/PU1992v035n06ABEH002243

Amplification and phase conjugation of weak signals

REVIEW ARTICLE

O V Kulagin, G A Pasmanik and A A Shilov


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Abstract References Cited By

NEW INSTRUMENTS AND MEASUREMENT METHODS

The results of the study on phase conjugation of weak optical signals with an energy of several photons are considered. Basic concepts of a semi-classical theoretical approach to describe amplification and phase conjugation (PC) of such signals are presented. A review is given of the experimental investigations that allowed reaching a limiting (about 1 photon per mode) sensitivity of optical systems with PC-mirrors for a large (~105) number of resolution elements. High-sensitivity PC-mirror optical systems are demonstrated for a variety of applications.

PACS

42.65.Hw Phase conjugation; photorefractive and Kerr effects

42.79.Bh Lenses, prisms and mirrors

42.30.-d Imaging and optical processing

Subjects

Optics, quantum optics and lasers

Dates

Issue 6 (1992)



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