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
H01S5/40 Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
H01S5/4018 Lasers electrically in series