Polarization selective semiconductor laser, optical transmitter

Details Polarization selective semiconductor laser, optical transmitter Polarization selective semiconductor laser, optical transmitter

1997-08-26

2000-06-13

Davie, James W.

Coherent light generators

Particular beam control device

Modulation

372 50, 372 96, H01S 3103

Patent

active

06075799&

ABSTRACT:
A semiconductor laser capable of controlling a polarization mode of output light is disclosed. In a fabrication method of the laser, after two laser portions are independently formed, the laser portions are positioned to be optically coupled to each other. In another fabrication method of the laser, after at least portions of two laser portions are separately formed, an irregularly-formed portion at a boundary portion therebetween is removed. The fabrication method can be facilitated and a degree of freedom in the polarization control can be increased, since the two laser portions are separately formed.

REFERENCES:
patent: 5249244 (1993-09-01), Uchida
patent: 5586131 (1996-12-01), Ono et al.
patent: 5699373 (1997-12-01), Uchida et al.
patent: 5757832 (1998-05-01), Uchida
patent: 5822352 (1998-10-01), Mizutani et al.
patent: 5901166 (1999-05-01), Nitta et al.

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