Compression performance of a NOLM including a SOA for pulse shaping of gain switching diode lasers: influence of the alpha factor

Cristina de Dios; Horacio Lamela

doi:10.1117/12.877146

21 February 2011 Compression performance of a NOLM including a SOA for pulse shaping of gain switching diode lasers: influence of the alpha factor

Cristina de Dios, Horacio Lamela

Author Affiliations +

Proceedings Volume 7933, Physics and Simulation of Optoelectronic Devices XIX; 79331Q (2011) https://doi.org/10.1117/12.877146
Event: SPIE OPTO, 2011, San Francisco, California, United States

Abstract

In this work we report a NOLM configuration based on a Semiconductor Optical Amplifier (SOA) and a highly nonlinear Microstructured Optical Fiber (MOF) that offers a stable compression ratio and reshaping capabilities for pulses obtained from Gain Switching diode laser sources. The device is perfectly adapted to the particularities of such sources, namely their low power, their asymmetric nature and the presence of wide pedestals, without the need of intermediate stages to pre-process these optical pulses. Experimental and numerical studies are presented where the influence and importance of the dynamic of the Semiconductor Amplifier on the overall pulse compression performance of the NOLM is explored. Results show that the saturation and gain compression are important to understand the system behavior. Along with these effects, the influence of the alpha factor and its dependence on the carrier density under high input conditions is evaluated. Numerical and experimental results show relevant agreement, what sheds light on the device behavior and helps understand the influence of the several physical effects behind it.

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Cristina de Dios and Horacio Lamela "Compression performance of a NOLM including a SOA for pulse shaping of gain switching diode lasers: influence of the alpha factor", Proc. SPIE 7933, Physics and Simulation of Optoelectronic Devices XIX, 79331Q (21 February 2011); https://doi.org/10.1117/12.877146

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KEYWORDS

Gain switching

Nonlinear optics

Semiconductor lasers

Semiconductor optical amplifiers

Picosecond phenomena

Mirrors

Optical amplifiers

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