H ELECTRICITY
H01 ELECTRIC ELEMENTS
H01S 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
H01S5/00 Semiconductor lasers
H01S5/02 Structural details or components not essential to laser action
H01S5/026 Monolithically integrated components, e.g. waveguides, monitoring photo-detectors, drivers
H01S5/0262 Photo-diodes, e.g. transceiver devices, bidirectional devices