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Vertical-cavity surface-emitting laser (VCSEL) arrays with seven devices arranged in a honeycomb pattern have been fabricated by a selective zinc diffusion process. An optical coupled theory is used to predict the mode behavior. A mixing in-phase, out-phase supermodes, and individual single mode operation has been observed and the power ratio among these modes is strongly dependent on the device spacing.
Lasers and Electro-Optics, 2003. CLEO/Pacific Rim 2003. The 5th Pacific Rim Conference on (Volume:2 )
Date of Conference: 15-19 Dec. 2003