Title :
Control and enhancement of beam quality of broadarea semiconductor devices and arrays by multimode interference couplers and two-dimensional gain modulation
Author :
Murad, Mohsin ; Sorel, Marc ; Marsh, John H. ; Coleman, A.C. ; Ackemann, T. ; Oppo, G.-L. ; Strain, M. ; Radziunas, Mindaugas ; Botey, M. ; Herrero, R. ; Staliunas, K.
Author_Institution :
Dept. of Electron. & Electr. Eng., Univ. of Glasgow, Glasgow, UK
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.
Keywords :
integrated optics; integrated optoelectronics; laser beams; light coherence; optical control; optical couplers; optical modulation; semiconductor laser arrays; MMI couplers; beam quality control; beam quality enhancement; broad-area semiconductor arrays; broad-area semiconductor devices; multimode interference couplers; phase coherence; two-dimensional gain modulation; two-dimensional structuring; Couplers; Educational institutions; Laser beams; Laser modes; Modulation; Optical filters; Semiconductor laser arrays; Semiconductor laser arrays; diode laser; integrated optoelectronics; laser modes; optical filters; semiconductor optical amplifier;
Conference_Titel :
High Power Diode Lasers and Systems Conference (HPD), 2013
Conference_Location :
Coventry
Print_ISBN :
978-1-4799-2747-0
DOI :
10.1109/HPD.2013.6706592
