Fraunhofer-gesellschaft Zur Foerderung Der Angewandten Forschung E.v.

Ciena Corporation

Teraxion Inc.

Heinrich Hertz Institut Fuer Nachrichtentechnik Berlin Gmbh.

Ronald Kaiser

Kelvin Prosyk

Karl-Otto Velthaus

Helmut Heidrich

Michael Hamacher

A monolithic optoelectronic device has a spot-size converter optically connected to a waveguide. The overclad extending over the core of the waveguide is thinner and differently doped than the overclad of the spot-size converter. This structure can be made by applying a process of etching and enhanced selective area regrowth to create regions of the overclad of different thickness or doping. The spot-size converter core is made of a different material than the waveguide core by using etching and enhanced selective area regrowth.

Method for fabricating a monolithic optoelectronic device

A monolithic optoelectronic device has a spot-size converter optically connected to a waveguide. The overclad extending over the core of the waveguide is thinner and more highly doped that the overclad of the spot-size converter. This structure can be made by applying a process of selective etching and enhanced regrowth to create selective regions of the overclad of different thickness or doping.

Monolithic optoelectronic TWE-component structure for high frequencies and low optical insertion loss

Optoelectronic circuit

Growing community of inventors

Berlin, Germany

Ronald Kaiser