Three-section master oscillator power amplifier at 1.57 um for LIDAR measurements of atmospheric carbon dioxide

Mariafernanda Vilera; Mickael Faugeron; Antonio Pérez-Serrano; José Manuel G. Tijero; Michel Krakowski; Frédéric Van Dijk; Ignacio Esquivias

doi:10.1117/12.2212487

7 March 2016 Three-section master oscillator power amplifier at 1.57 μm for lidar measurements of atmospheric carbon dioxide

Mariafernanda Vilera, Mickael Faugeron, Antonio Pérez-Serrano, José Manuel G. Tijero, Michel Krakowski, Frédéric Van Dijk, Ignacio Esquivias

Author Affiliations +

Proceedings Volume 9767, Novel In-Plane Semiconductor Lasers XV; 97671K (2016) https://doi.org/10.1117/12.2212487
Event: SPIE OPTO, 2016, San Francisco, California, United States

Abstract

We present experimental results on a three-section master oscillator power amplifier at 1.57 μm to be applied in an integrated path differential absorption LIDAR system for column-averaged atmospheric CO₂ measurements. The application requires high power and good beam quality together with spectral purity and modulation capacity to be used in a random modulation CW LIDAR system. The device consists of a distributed feedback laser acting as master oscillator, a bent modulator section and a tapered optical amplifier section with a tilted front facet to avoid coupled cavity effects. The modulator section acts as an absorber or amplifier when driven at zero or positive bias. Devices with different geometries and epitaxial structures were fabricated and characterized, presenting CW output powers higher than 350 mW and stable single mode emission. At the frequency required by the application (12.5 MHz) a high optical modulation amplitude and extinction ratio were achieved.

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Mariafernanda Vilera, Mickael Faugeron, Antonio Pérez-Serrano, José Manuel G. Tijero, Michel Krakowski, Frédéric Van Dijk, and Ignacio Esquivias "Three-section master oscillator power amplifier at 1.57 μm for lidar measurements of atmospheric carbon dioxide", Proc. SPIE 9767, Novel In-Plane Semiconductor Lasers XV, 97671K (7 March 2016); https://doi.org/10.1117/12.2212487

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