Inventor
THULKE WOLFGANG
DE8 patents
Patents
8 patentsUS4656636AApr 7, 1987
Method for manufacturing of integrated DFB laser with coupled strip waveguide on a substrate
SIEMENS AG29 citations92
US5208878AMay 4, 1993
Monolithically integrated laser-diode-waveguide combination
SIEMENS AG40 citations91
US5260960ANov 9, 1993
Tunable semiconductor laser on a semi-insulating substrate
SIEMENS AG20 citations81
US5333141AJul 26, 1994
Modulatable laser diode for high frequencies
SIEMENS AG16 citations73
US5008893AApr 16, 1991
Tunable semiconductor laser
SIEMENS AG12 citations73
US4963507AOct 16, 1990
Method and manufacturing a laser diode with buried active layer
SIEMENS AG10 citations73
US5027364AJun 25, 1991
Laser diode with buried active layer and lateral current limitation
SIEMENS AG10 citations72
US5222087AJun 22, 1993
Ttg-dfb laser diode
SIEMENS AG3 citations62