H01S5/3418 - CPC Classification Index

ClassID:

216145 ⎘

H01S5/3418 - CPC Classification

Classification description:

Semiconductor lasers; Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well lasers [SQW-lasers], multiple quantum well lasers [MQW-lasers] or graded index separate confinement heterostructure lasers [GRINSCH-lasers] using transitions from higher quantum levels

Sub-classes:

H01S5/3419 » {intersubband lasers, e.g. laser transitions within the conduction or valence bands in non unipolar structures} 11

Recent Application in this class:

20140247850

2014-09-04

Multiquantum well structures for suppression of electron leakage and reduction of threshold-current density in quantum cascade lasers

20110007768

2011-01-13

Quantum cascade laser