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Proceedings Paper

Control over spectral content via differential pumping of a monolithic passively mode-locked quantum dot laser
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Paper Abstract

A monolithic two-section quantum dot semiconductor laser is differentially pumped to form non-uniform current injection in the gain region. We show that the nature of the spectral content in the output signal is affected by this differential pumping; despite the fact that the separately pumped gain regions are not electrically isolated in this device. Both negative (red-shift) and positive (blue-shift) spectral chirps were observed during mode-locked operation. It is also demonstrated that mode locked operation is achieved with a much larger set of injection current / absorber bias voltage pairs than was previously possible with single-pad current injection.

Paper Details

Date Published: 23 May 2007
PDF: 9 pages
Proc. SPIE 6572, Enabling Photonics Technologies for Defense, Security, and Aerospace Applications III, 65720A (23 May 2007); doi: 10.1117/12.722421
Show Author Affiliations
K. Brown, Air Force Research Lab. (United States)
B. Wysocki, Air Force Research Lab. (United States)
M. Fanto, Air Force Research Lab. (United States)
J. Malowicki, Air Force Research Lab. (United States)
V. Kovanis, Air Force Research Lab. (United States)
L. Lester, Ctr. for High Technology Materials, Univ. of New Mexico (United States)


Published in SPIE Proceedings Vol. 6572:
Enabling Photonics Technologies for Defense, Security, and Aerospace Applications III
Michael J. Hayduk; Andrew R. Pirich; Peter J. Delfyett; Eric J. Donkor; John P. Barrios; Rebecca J. Bussjager; Michael L. Fanto; Robert L. Kaminski; Guifang Li; Hooman Mohseni; Edward W. Taylor, Editor(s)

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