Inventor
MAHLEIN HANS F
DE14 patents
Patents
14 patentsUS4760569AJul 26, 1988
Integrated optical multiplex-demultiplex module for optical communications transmission
SIEMENS AG77 citations95
US4744618AMay 17, 1988
Optical device for use as a multiplexer or demultiplexer in accordance with the diffraction grating principle
SIEMENS AG101 citations95
US4770496ASep 13, 1988
Edge interference filter for optical communication transmission in wavelength-division multiplex
SIEMENS AG36 citations92
US4656636AApr 7, 1987
Method for manufacturing of integrated DFB laser with coupled strip waveguide on a substrate
SIEMENS AG29 citations92
US4306765ADec 22, 1981
Branch component comprising optical light waveguides
SIEMENS AG38 citations92
US4989937AFeb 5, 1991
Light waveguide coupler having three or more gates and utilizing the beam splitter principle and the method for manufacture
SIEMENS AG21 citations82
US4726655AFeb 23, 1988
Edge interference filter for optical communication transmission in wavelength-division multiplex
SIEMENS AG24 citations81
US4776660AOct 11, 1988
Light diplexer of a communication system comprising three light connections
SIEMENS AG12 citations73
US4682843AJul 28, 1987
Optical waveguide junction and method of making said junction
SIEMENS AG10 citations73
US4637682AJan 20, 1987
Branch connector for light waveguides
SIEMENS AG17 citations73
US4395090AJul 26, 1983
Optical cut-off filter
SIEMENS AG9 citations73
US4278322AJul 14, 1981
Coupling device for coupling of two waveguides
SIEMENS AG9 citations73
US4112157ASep 5, 1978
Method of producing a film which promotes homeotropic orientation of liquid crystals and a liquid crystal utilizing the film
SIEMENS AG12 citations73
US4747649AMay 31, 1988
Monolithically integrated WDM demultiplex module and method of manufacture of such module
SIEMENS AG19 citations72