Abstract

Comparative research on fine spectrum analysis techniques (static and dynamic) has been carried out. The advantages of the dynamic method for fine spectrum study of heterolaser radiation as a method of study of the spectrum change under ultrasonic strain have been shown. An approach to fine dynamic spectrum analysis has been developed, and the treatment of experimental data on the spectrum dynamics of the InGaAsP/InP structures in the presence of surface acoustic waves has been carried out. Thus an appreciable contribution of the acousto-optic interaction (comparable with the acousto-electronic interaction), resulting in time modulation of resonance frequencies of the heterolaser optical resonator, was found. The second, no less important, result of the investigation consists of the finding of the possibility to determine phase shifts between acousto-optic and the acousto-electronic interactions.

© 2009 Optical Society of America

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