ZHANG Xiang-wei, NING Yong-qiang, QIN Li, LIU Yun, WANG Li-jun. Polarization Control of 980 nm High-power Vertical-cavity Surface-emitting Lasers by Using Sub-wavelength Metal-gratings[J]. Chinese Journal of Luminescence, 2012,33(9): 1012-1017
ZHANG Xiang-wei, NING Yong-qiang, QIN Li, LIU Yun, WANG Li-jun. Polarization Control of 980 nm High-power Vertical-cavity Surface-emitting Lasers by Using Sub-wavelength Metal-gratings[J]. Chinese Journal of Luminescence, 2012,33(9): 1012-1017 DOI: 10.3788/fgxb20123309.1012.
Polarization Control of 980 nm High-power Vertical-cavity Surface-emitting Lasers by Using Sub-wavelength Metal-gratings
The polarization control of vertical-cavity surface-emitting lasers with high power emission was demonstrated by using metal-grating to import non-isotropic gain. The grating with a period of 186 nm and a duty ratio of 0.5 which were calculated based on effective medium theory and antireflection theory. Then
it was simulated by multiphysics field of finite element analysis software
and the results correspond well with our design requirements. A polarization ratio of 3
an output power of 870 mW was demonstrated for a 550 μm aperture device.
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