II-VI semiconductor laser with different guide layers

Details II-VI semiconductor laser with different guide layers II-VI semiconductor laser with different guide layers

1995-02-27

1996-11-05

Bovernick, Rodney B.

Coherent light generators

Particular active media

Semiconductor

372 43, H01S 318

Patent

active

055725392

ABSTRACT:
An optical device capable of effectively confining light to its light guide layers and preventing increase of the threshold value and decrease of the differential efficiency. The device comprises a II-VI compound semiconductor and has a substrate made from a compound semiconductor on which at least a first light guide layer, an active layer or a light waveguide layer, and a second light guide layers are formed in this order. The first light guide layer differs from the second light guide layer in composition or thickness.

REFERENCES:
patent: 5319219 (1994-06-01), Cheng et al.
patent: 5341001 (1994-08-01), Hayashi et al.
patent: 5508522 (1996-04-01), Nakanishi et al.

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