Distributed feedback laser structure

Details Distributed feedback laser structure Distributed feedback laser structure

1993-04-21

1994-10-18

Davie, James W.

Coherent light generators

Particular resonant cavity

Distributed feedback

372 46, H01S 308, H01S 319

Patent

active

053575385

ABSTRACT:
A distributed feedback semiconductor laser structure of the type having a guidance zone providing lateral guidance by refractive index variation, including a phase-shifting diffraction grating extending between two end regions along a light propagation direction, for obtaining coupling within the structure between light propagating in one direction and light propagating in the opposite direction. The diffraction grating is adapted to implement coupling of varying amplitude along the structure between said end regions, and the width of said guidance zone varies such that the phase shift induced by said variation in width compensates for the phase shift induced by the variation in the coupling amplitude.

REFERENCES:
Morthier et al., "A Dow DFB-Laser Disk with Reduced Spatial Hole Burning", IEEE Photonics Technology Letters, vol. 2 No. 6, Jun. 1990, pp. 388-390.
Y. Nakano et al., "Analysis, Design, and Fabrication of GaAlAs/GaAs DFB Lasers . . . ", IEEE Journal of Quantum Electronics, vol. 24, No. 10, Oct. 1988, pp. 2017-2337.

Affiliated with

Also associated with

Rating

Distributed feedback laser structure does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Distributed feedback laser structure, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Distributed feedback laser structure will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2378341