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Proceedings Paper

Modal properties of twin ridge laser diodes
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Paper Abstract

The effects of inter-ridge coupling on both the static and high frequency properties of twin stripe laterally coupled lasers emitting at a wavelength of 1.3 micrometers are investigated. It is found that when both ridges are lasing, the emission spectrum is multi longitudinal mode, with each peak being single valued close to threshold, or split in two at higher biases. Spectrally resolved near and far field measurements are made which clearly distinguish that the system lases predominantly in the out-of-phase mode close to threshold, whereas it lases in both in-phase and out-of-phase modes at higher biases. The out-of-phase mode is found to emit at higher frequencies than the in-phase mode.

Paper Details

Date Published: 12 June 2002
PDF: 6 pages
Proc. SPIE 4646, Physics and Simulation of Optoelectronic Devices X, (12 June 2002); doi: 10.1117/12.470537
Show Author Affiliations
Brendan J. Roycroft, Univ. Carlos III de Madrid (Ireland)
Horacio Lamela, Univ. Carlos III de Madrid (Spain)
Guillermo Carpintero, Univ. Carlos III de Madrid (Spain)
Rui Santos, Univ. Carlos III de Madrid (Spain)
Markus Pessa, Tampere Univ. of Technology (Finland)


Published in SPIE Proceedings Vol. 4646:
Physics and Simulation of Optoelectronic Devices X
Peter Blood; Marek Osinski; Yasuhiko Arakawa, Editor(s)

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