Effect Photonics B.v.

Technische Universiteit Eindhoven

Boudewijn Docter

Pieter I Kuindersma

Xaverius Jacques Maria Leijtens

Stefano Beri

Meint Koert Smit

Fouad Karouta

Pieter Ids Kuindersma

A photonic integrated circuit including first and second opto-electronic devices that are fabricated on a semiconductor wafer having an epitaxial layer stack including an n-type indium phosphide-based contact layer that is provided with at least one selectively p-type doped tubular-shaped region for providing an electrical barrier between respective n-type contact regions of the first and second opto-electronic devices that are optically interconnected by a passive optical waveguide that is fabricated in a non-intentionally doped waveguide layer including indium gallium arsenide phosphide, the non-intentionally doped waveguide layer being arranged on top of the n-type contact layer, wherein a first portion of the at least one selectively p-type doped tubular-shaped region is arranged underneath the passive optical waveguide between the first and second opto-electronic devices. An opto-electronic system including the photonic integrated circuit.

Photonic integrated circuit having improved electrical isolation between n-type contacts

An integrated photonic component () is provided with improved centering of an optical field image of a wavelength division multiplexing, WDM, optical output signal and a common output waveguide (). In this way an efficient power coupling of the laser diodes of the integrated photonic component to the common output waveguide is achievable. Also provided is a photonic integrated circuit, PIC, for use in a WDM optical communication system, the PIC including the integrated photonic component. A method of improving centering of an optical field image of a WDM signal and a common output waveguide of at least one of the integrated photonic component and the PIC are also described.

Integrated photonic component and method

An integrated photonic component () for polarization insensitive wavelength multiplexing includes an arrayed waveguide grating, AWG, () having a predetermined polarization splitting and a MZI-based polarization beam splitter () that is configured to compensate the predetermined polarization splitting of the AWG (). The result is a fabrication tolerant integrated photonic component () that is operable over a wide number of limited bandwidth wavelength channels of a wavelength division multiplexing, WDM, system. A photonic integrated circuit, PIC, () for use in a WDM system is provided. The PIC () includes the integrated photonic component (). A method of designing the integrated photonic component () is also described.

Integrated photonic component and method of designing the same

The present invention is directed to a semiconductor laser device comprising a first resonator section for resonating an optical resonator signal for providing an optical output signal at an output of said laser device, wherein said first resonator section is arranged for selectively resonating at a plurality of discrete output wavelengths, and wherein said laser device further comprises a second resonator section operatively connected to said first resonator section, said second resonator section being arranged for providing an optical feedback signal at a feedback wavelength to said first resonator section for locking said first resonator section into resonating at a selected output wavelength of said discrete output wavelengths, which selected output wavelength corresponds to said feedback wavelength for providing said optical output signal.

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Eindhoven, Netherlands

Boudewijn Docter