• Technology trends
  • Patent search
  • Sign In
  • Sign Up
Patent classifications
H
ELECTRICITY
Load children
H01
ELECTRIC ELEMENTS
Load children
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
Load children
5/00
Semiconductor lasers
Load children Filter patents View analytics View as hierarchy
H01S5/20
Structure or shape of the semiconductor body to guide the optical wave; ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers
Load children Filter patents View analytics View as hierarchy
H01S5/22
having a ridge or stripe structure
Load children Filter patents View analytics View as hierarchy
H01S5/2205
comprising special burying or current confinement layers
Load children Filter patents View analytics View as hierarchy
H01S5/2218
having special optical properties
Load children Filter patents View analytics View as hierarchy
H01S5/222
having a refractive index lower than that of the cladding layers or outer guiding layers
Filter patents View analytics View as hierarchy