Structure or shape of the active region; Materials used for the active region

Full Title

Semiconductor lasers > Structure or shape of the active region; Materials used for the active region

Classification Context

Section:

ELECTRICITY

Class:

ELECTRIC ELEMENTS

Subclass:

DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL

Child Classifications

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• H01S 5/32 comprising PN junctions, e.g. hetero- or double- hetero-structures
• H01S 5/34 comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers
• H01S 5/36 comprising organic materials