Process for producing a DFB laser with a diffraction grating sup

Details Process for producing a DFB laser with a diffraction grating sup Process for producing a DFB laser with a diffraction grating sup

1988-06-30

1989-06-27

Hearn, Brian E.

Fishing, trapping, and vermin destroying

148DIG71, 148DIG90, 148DIG95, 148DIG106, 148DIG160, 357 17, 372 45, 372 96, 437 19, 437 22, 437110, 437133, 437147, 437167, 437936, H01L 21203, H01L 21265

Patent

active

048430323

ABSTRACT:
A semiconductor optical element having a layer which exhibits a function of diffraction grating between a first cladding layer and a second cladding layer, wherein the layer which exhibits the function of diffraction grating consists of a superlattice layer in which crystal layers are periodically mixed to constitute a semiconductor grating layer.

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