Waveguide Integrated Balanced Photodetectors for Coherent Receivers

This paper presents a brief review of waveguide integrated balanced photodetectors for coherent receivers and describes some of their recent progresses. Waveguide integrated balanced photodetectors and balanced photodiodes (PD) monolithically integrated to InP-based coherent receiver photonic integr...

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Bibliographic Details
Published in:IEEE journal of selected topics in quantum electronics 2018-03, Vol.24 (2), p.1-7
Main Authors: Runge, Patrick, Gan Zhou, Beckerwerth, Tobias, Ganzer, Felix, Keyvaninia, Shahram, Seifert, Sten, Ebert, Willi, Mutschall, Sven, Seeger, Angela, Schell, Martin
Format: Article
Language:English
Subjects:
balanced photodiode
Bandwidth
Coherent detection
high bandwidth
indium phosphide
integrated optoelectronic circuits
Optical waveguides
Photodiodes
Radio frequency
Receivers
Transmission line measurements
waveguide integrated
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Summary:This paper presents a brief review of waveguide integrated balanced photodetectors for coherent receivers and describes some of their recent progresses. Waveguide integrated balanced photodetectors and balanced photodiodes (PD) monolithically integrated to InP-based coherent receiver photonic integrated circuits (PIC) are discussed. On one hand, the devices focus on high-end market for long-haul transmission, and on the other hand on short reach transmission for data centers. In this paper, also a balanced photodetector with the highest ever reported 3-dB bandwidth of 115 GHz is demonstrated. Moreover, a low-power concept for a homodyne receiver PIC with balanced avalanche PD is emphasized to introduce phase modulation formats to data center transmissions.
ISSN:1077-260X
1558-4542
DOI:10.1109/JSTQE.2017.2723844