Method of making an INP-based DFB laser

Details Method of making an INP-based DFB laser Method of making an INP-based DFB laser

1993-01-19

1994-09-13

Thomas, Tom

Fishing, trapping, and vermin destroying

437126, 437130, 437228, 148DIG72, 148DIG95, H01L 2120

Patent

active

053468554

ABSTRACT:
Disclosed is a method of making InP-based DFB lasers that can reliably mitigate or substantially prevent erosion of the grating during overgrowth. The method comprises contacting, prior to overgrowth, the grating with a sulfurcontaining aqueous medium, e.g., 80 parts by weight H.sub.2 O/20 parts by weight ammonium sulfide.

REFERENCES:
patent: 4716132 (1987-12-01), Hirata
patent: 4782035 (1988-11-01), Fujiwara
patent: 5079185 (1992-01-01), Kagawa et al.
patent: 5192710 (1993-03-01), Schilling
patent: 5228047 (1993-07-01), Matsumoto et al.

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