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Proceedings Paper

Optical intensity dynamics in a five-emitter semiconductor array laser
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Paper 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.

Paper Details

Date Published: 5 August 2009
PDF: 7 pages
Proc. SPIE 7386, Photonics North 2009, 738620 (5 August 2009); doi: 10.1117/12.837688
Show Author Affiliations
Matthew O. Williams, Univ. of Washington (United States)
J. Nathan Kutz, Univ. of Washington (United States)


Published in SPIE Proceedings Vol. 7386:
Photonics North 2009

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