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Abstract:
The influence of feedback for both signal and object waves on the amplitude reflection coefficient of a four-wave radiation converter on thermal nonlinearity has been considered. The dependences of the reflection coefficient of a four-wave converter on the parameters of a ring-type resonator, which provides the feedback, and the pump intensity have been obtained and analyzed. It was shown that the use of a ring-type resonator allows one to increase the reflection coefficient of a four-wave radiation converter on thermal nonlinearity by several times.

Keywords:
four-wave radiation converter, positive feedback, thermal nonlinearity.

Citation:
Akimov AA, Guzairov SA, Ivakhnik VV. Four-wave mixing on thermal nonlinearity in a scheme with positive feedback. Computer Optics 2018; 42(4): 534-541. DOI: 10.18287/2412-6179-2018-42-4-534-541.

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