Self-pumped optical phase conjugation with a sodium Raman laser

Details Self-pumped optical phase conjugation with a sodium Raman laser Self-pumped optical phase conjugation with a sodium Raman laser

1992-05-08

1994-12-27

Bovernick, Rodney B.

Coherent light generators

Raman laser

372 9, 372 69, 372 99, H01S 330

Patent

active

053772105

ABSTRACT:
A three-level atomic system in a resonance Raman configuration is provided, and self-pumped optical phase conjugation is performed in which the pumps are self-induced as standing waves in a Raman laser. Self-pumped reflectivities approaching five percent are obtained for input intensities of 20 watts per square cm. This low optical input intensity combined with predicted submicrosecond response times indicates that the resonant Raman interaction may provide the basis for a promising new class of non-linear optical materials.

REFERENCES:
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patent: 5072135 (1991-12-01), Huignard et al.
patent: 5090016 (1992-02-01), DeWhirst et al.
Gaeta et al, "Continuous Wave Self-Pumped Optical Phase Conjugation in Atomic Sodium Vapor", Optics Lett. vol. 24 (4) 15 Feb. 1989.
Gaeta, C. J. et al, "Continuous-wave self-pumped optical phase conjugation in atomic sodium vapor", Feb. 15, 1989, vol. 14, No. 4, Optical Letters, pp. 245-247.
Kumar, Prem et al, "Observation of Raman-shifted oscillation near the sodium D lines", Optics Letters, vol. 10, No. 5, May 1985, pp. 226-228.

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