26 April 1995 Optical spectra of semiconductor lasers with photorefractive phase-conjugate feedback
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Abstract
The effects of optical feedback from a phase-conjugate reflector on a semiconductor laser are considered in this paper. It is found that under these conditions, the linewidth of a single longitudinal mode diode laser can only be narrowed, never broadened. This is in contrast to feedback from a conventional dielectric mirror. For a multilongitudinal mode semiconductor laser the lasing envelope is found to be narrowed as well. The optical spectra for these cases is discussed and experimentally demonstrated.
© (1995) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Bruce W. Liby, David Statman, "Optical spectra of semiconductor lasers with photorefractive phase-conjugate feedback", Proc. SPIE 2378, Laser Frequency Stabilization and Noise Reduction, (26 April 1995); doi: 10.1117/12.208240; https://doi.org/10.1117/12.208240
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