H
ELECTRICITY
H
ELECTRICITY
H01
ELECTRIC ELEMENTS
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
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
H01S5/00
Semiconductor lasers
H01S5/10
Construction or shape of the optical resonator; , e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
H01S5/10
Construction or shape of the optical resonator; , e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
H01S5/12
the resonator having a periodic structure, e.g. in distributed feedback [DFB] lasers
H01S5/12
the resonator having a periodic structure, e.g. in distributed feedback [DFB] lasers