Superluminescent light-emitting diode and related method

Details Superluminescent light-emitting diode and related method Superluminescent light-emitting diode and related method

1985-04-19

1987-01-06

Levy, Stewart J.

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

29569L, 357 17, 362800, 372 44, H01S 319

Patent

active

046349286

ABSTRACT:
A superluminescent light-emitting diode in which the spectral width of the output increases with increasing optical output power, thereby allowing the generation of high optical output powers with a broad frequency spectrum that is desirable for some applications of the superluminescent diodes. This desirable characteristic is obtained by structuring the diode to produce a non-uniform gain profile across its active layer. Alternative approaches for achieving the non-uniform gain profile include varying the thickness of the active layer, and varying the current density by employing an asymmetrical channel configuration or an asymmetrical electrical contact strip.

REFERENCES:
patent: 4438446 (1984-03-01), Tsang
patent: 4573163 (1986-02-01), Kaminow

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