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3 October 2019 Spike-free pulse generation in semiconductor injection seeding laser
P. Grześ, M. Michalska, J. Świderski
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Proceedings Volume 11207, Fourth International Conference on Applications of Optics and Photonics; 112070G (2019) https://doi.org/10.1117/12.2526582
Event: IV International Conference on Applications of Optics and Photonics (AOP 2019), 2019, Lisbon, Portugal
Abstract
In this paper we describe a compact optoelectronic circuit for spike-free nanosecond pulse generation in semiconductor lasers. The device is designed to work as an injection seeder in high-power fiber lasers built in master oscillator power amplifier architecture. To reduce a significant pulse distortion resulted from relaxation oscillations, a technique called light injection was used. It allows achieving the pulse generation with excellent temporal and spectral properties. Smooth pulses with duration of 1.9ns and narrowband spectrum with a central wavelength of 1550nm have been presented experimentally.
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P. Grześ, M. Michalska, and J. Świderski "Spike-free pulse generation in semiconductor injection seeding laser", Proc. SPIE 11207, Fourth International Conference on Applications of Optics and Photonics, 112070G (3 October 2019); https://doi.org/10.1117/12.2526582
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KEYWORDS
Semiconductor lasers
Pulsed laser operation
Laser systems engineering
Oscillators
Semiconductors
High power fiber lasers
Optoelectronics
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