Unidirectional ring resonator in photorefractive bismuth silicon oxide with two pump beams

Erbschloe, D. R.; Solymar, L.
September 1988
Applied Physics Letters;9/26/1988, Vol. 53 Issue 13, p1135
Academic Journal
Experiments using a new photorefractive gain mechanism involving two pump beams are described. A ring resonator is used to provide a frequency-shifted signal beam. The gain with two pumps of equal intensity is found to exceed that with a single pump by about a factor of 4.


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