Semiconductor laser capable of changing polarization mode of its

Details Semiconductor laser capable of changing polarization mode of its Semiconductor laser capable of changing polarization mode of its

1997-08-22

2000-07-18

Davie, James W.

Coherent light generators

Particular beam control device

Modulation

372 50, 372 96, H01S 3102

Patent

active

060917458

ABSTRACT:
In a semiconductor laser capable of changing its polarization mode, there are arranged a plurality of regions in its cavity direction and each region includes an active layer and a diffraction grating. The laser is driven by performing a control for switching the polarization mode to a region of the laser, out of the plurality of regions, where a refractive index is easier to be changed by a control than the other region.

REFERENCES:
patent: 5471335 (1995-11-01), Nitta
patent: 5586131 (1996-12-01), Ono et al.
patent: 5606176 (1997-02-01), Nitta
patent: 5659560 (1997-08-01), Ouchi et al.
patent: 5699373 (1997-12-01), Uchida et al.
patent: 5757840 (1998-05-01), Hiroki
patent: 5764670 (1998-06-01), Ouchi

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