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Proceedings Paper

Coupling Of Index-Guided Lateral Modes In Three-Stripe Gain-Guided Laser Diode Arrays
Author(s): Donald G. Heflinger; Wayne R. Fenner
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Paper Abstract

Experimental results are presented which indicate the existence of index-guided lateral modes between stripes in multistripe laser diode arrays fabricated from planar double heterostructure material. Through a comparison to measurements made on twin-stripe arrays, each adjacent pair of stripes in a three-stripe array is observed to support index-guided modes. A comparison of the measured far-field intensity pattern with the calculated far-field diffraction pattern from the three-stripe array suggests that out-of-phase coupling between the two index-guided modes has been observed just above threshold, while at higher currents the two modes run independently. The presence of higher-order index-guided modes has also been observed as the current is increased. Measurements made on a commercially available ten-stripe laser also suggest the presence of index-guided lateral modes.

Paper Details

Date Published: 22 June 1989
PDF: 10 pages
Proc. SPIE 1043, Laser Diode Technology and Applications, (22 June 1989); doi: 10.1117/12.976365
Show Author Affiliations
Donald G. Heflinger, The Aerospace Corporation (United States)
Wayne R. Fenner, The Aerospace Corporation (United States)


Published in SPIE Proceedings Vol. 1043:
Laser Diode Technology and Applications
Luis Figueroa, Editor(s)

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