Control and enhancement of beam quality of broadarea semiconductor devices and arrays by multimode interference couplers and two-dimensional gain modulation

Murad, M. K. and Sorel, Marc and Marsh, John H. and Coleman, A. C. and Ackemann, Thorsten and Oppo, Gian Luca and Strain, Michael John and Radžiunas, Mindaugas and Botey, Muriel M. and Herrero, Ramon Martinez and Staliunas, Kȩstutis (2013) Control and enhancement of beam quality of broadarea semiconductor devices and arrays by multimode interference couplers and two-dimensional gain modulation. In: High Power Diode Lasers and Systems Conference (HPD), 2013. IEEE, Piscataway, NJ, United States, pp. 8-9. ISBN 9781479927470

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Abstract

It is proposed to control the beam quality of broad-area semiconductor devices by two-dimensional structuring enforcing phase coherence across the device. First results based on MMI couplers are presented.