Monolithic array of independently addressable diode lasers

Details Monolithic array of independently addressable diode lasers Monolithic array of independently addressable diode lasers

1994-09-19

1996-03-05

Bovernick, Rodney B.

Coherent light generators

Particular active media

Semiconductor

H01S 318, H01S 325

Patent

active

054973910

ABSTRACT:
A monolithic array of two or more independently addressable, closely spaced diode lasers having low thermal, electrical, and optical crosstalk. An isolation region is formed between the adjacent laser elements, which are defined by rib loaded waveguides created by etching mesas above a planar active multilayer waveguide. Separate electrical connections to the ribs, and a common electrical connection to the substrate, enable individual addressing of each laser element. Selectively added blocking layers and/or insulating layers are added to the structure to provide improved electrical and/or thermal isolation.

REFERENCES:
patent: 3936322 (1976-03-01), Blum et al.
patent: 4069463 (1978-01-01), McGroddy et al.
patent: 4531217 (1985-07-01), Kitamura
patent: 4870652 (1989-09-01), Thornton
patent: 4916710 (1990-04-01), Hattori
H. C. Casey, Jr. and M. B. Panish, Heterostructure Lasers Part B, Academic Press, 1978 (No month available), pp. 207-217.

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