Collinear nearly degenerate four-wave mixing in intracavity amplifying media
Abstract
Intracavity nearly degenerate four-wave mixing in amplifying media has been demonstrated to be a powerful technique to get very high conjugated reflectivities. A physical interpretation of this process is given in terms of interactions among pump, probe, or conjugated waves with optically induced refractive index modulations or gratings. Mixing experiments performed at the milliwatt level inside a (GaAl)As semiconductor laser operating above or below threshold have demonnstrated very high conjugated reflectivities (1000-10,000) together with a 10 percent energy conversion efficiency. The appearance of additional peaks related to the ac Stark effect and observations of bistability on probe and conjugated beams also made this mixing process interesting for the study of instabilities occurring in lasers.
- Publication:
-
IEEE Journal of Quantum Electronics
- Pub Date:
- August 1986
- DOI:
- 10.1109/JQE.1986.1073116
- Bibcode:
- 1986IJQE...22.1349N
- Keywords:
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- Laser Cavities;
- Mixing;
- Phase Conjugation;
- Semiconductor Lasers;
- Wave Interaction;
- Aluminum Gallium Arsenides;
- Light Amplifiers;
- Nonlinear Optics;
- Reflectance;
- Semiconductor Diodes;
- Lasers and Masers