Internal Q-switching in single-heterostructure lasers: one term for two phenomena

Sergey N. Vainshtein; Juha Tapio Kostamovaara

doi:10.1117/12.418830

9 March 2001 Internal Q-switching in single-heterostructure lasers: one term for two phenomena

Sergey N. Vainshtein, Juha Tapio Kostamovaara

Proceedings Volume 4354, Laser Optics 2000: Semiconductor Lasers and Optical Communication; (2001) https://doi.org/10.1117/12.418830
Event: Laser Optics 2000, 2000, St. Petersburg, Russian Federation

Abstract

Great differences were found between the spectral and power responses for two modes of a single-heterostructure laser operation, with the dynamic behavior of each mode fitted to the traditional definition of the internal Q-switching phenomenon. The first mode is interpreted in terms of the most popular diffraction losses theory, while the other one is related to the practically important method of high-power picosecond optical pulse generation and interpreted in terms of a recent carrier heating and cooling model. This finding could obviate confusion in the interpretation of mechanisms of high-power picosecond pulse generation in the Q-switching mode.

Citation Download Citation

Sergey N. Vainshtein and Juha Tapio Kostamovaara "Internal Q-switching in single-heterostructure lasers: one term for two phenomena", Proc. SPIE 4354, Laser Optics 2000: Semiconductor Lasers and Optical Communication, (9 March 2001); https://doi.org/10.1117/12.418830

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