Optical intensity dynamics in a five-emitter semiconductor array laser

Matthew O. Williams; J. Nathan Kutz

doi:10.1117/12.837688

4 August 2009 Optical intensity dynamics in a five-emitter semiconductor array laser

Matthew O. Williams, J. Nathan Kutz

Proceedings Volume 7386, Photonics North 2009; 738620 (2009) https://doi.org/10.1117/12.837688
Event: Photonics North 2009, 2009, Quebec, Canada

Abstract

The intensity dynamics of a five-emitter laser array subject to a linearly decreasing injection current are examined numerically. We have matched the results of the numerical model to an experimental AlGaAs quantum-dot array laser and have achieved the same robust oscillatory power output with a nearly π phase shift between emitters that was observed in experiments. Due to the linearly decreasing injection current, the output power of the waveguide decreases as a function of waveguide number. For injection currents ranging from 380 to 500 mA, the oscillatory behavior persists with only a slight change in phase difference. However, the fundamental frequency of oscillation increases with injection current, and higher harmonics as well as some fine structures are produced.

Citation Download Citation

Matthew O. Williams and J. Nathan Kutz "Optical intensity dynamics in a five-emitter semiconductor array laser", Proc. SPIE 7386, Photonics North 2009, 738620 (4 August 2009); https://doi.org/10.1117/12.837688

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