Injection laser with an inverted waveguiding rib

Details Injection laser with an inverted waveguiding rib Injection laser with an inverted waveguiding rib

1982-05-27

1984-10-30

Davie, James W.

Coherent light generators

Particular active media

Semiconductor

357 17, 372 46, H01S 319

Patent

active

044803311

ABSTRACT:
A transverse mode stabilized injection laser with a planar active layer is provided with a transverse waveguiding effect by the presence of a rib of intermediate refractive index material protruding through a blocking layer overlying the active layer. Optionally the blocking layer may include high refractive index material to provide additional waveguiding effect and controlled attenuation of higher order transverse modes.

REFERENCES:
patent: 4360919 (1982-11-01), Fujiwara et al.

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