Monolithic InP receiver chip with a 90° hybrid and a variable optical attenuator for 100GBit/s colourless WDM detection

P Runge,D Trommer,K Janiak,T Gartner,A Seeger,M Lonstrup Nielsen,S Schubert,J Stephan

doi:10.1109/iciprm.2013.6562574

Monolithic InP receiver chip with a 90° hybrid and a variable optical attenuator for 100GBit/s colourless WDM detection

P Runge, D Trommer + Show 6 more

https://doi.org/10.1109/iciprm.2013.6562574

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Publication Date: May 1, 2013

Affiliation: Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute, Holoeye Photonics (Germany)

#Variable Optical Attenuator #Photonic Integrated Circuit + Show 8 more

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Abstract

We demonstrate a monolithically integrated quadrature coherent receiver photonic integrated circuit (PIC) on an InP substrate with a 90° optical hybrid, a variable optical attenuator (VOA) and four pin-photodetectors. With an attenuation of more than 20dB the VOA enables the usage of the receiver PIC for colourless WDM detection.

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