Vertical cavity surface emitting laser, optical transmitter-rece

Details Vertical cavity surface emitting laser, optical transmitter-rece Vertical cavity surface emitting laser, optical transmitter-rece

1996-12-19

1999-06-15

Davie, James W.

Coherent light generators

Particular active media

Semiconductor

372 46, 372 50, 372 96, H01S 319

Patent

active

059129131

ABSTRACT:
Disclosed is a vertical cavity surface emitting laser providing mirrors at least one of which has a high reflectivity to be obtained with a small number of pairs each comprising a semiconductor low-refractivity layer and a semiconductor high-refractivity layer, (1) in which GaAs is used for a substrate and Al, In and P are used as main elements for making the low-refractivity layers lattice-matching the GaAs substrate; (2) in which Ga, In, N and As are used as main elements of the high-refractivity layers; (3) in which GaAs is used for a substrate, Ga, In, N and As are used as main elements for making an active layer and the mirrors lattice-match the GaAs substrate.

REFERENCES:
patent: 5363393 (1994-11-01), Uomi et al.
patent: 5633886 (1997-05-01), Ramdani et al.

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