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Proceedings Paper

Coherent detection in self-homodyne systems with single and multi-core transmission
Author(s): Ruben S. Luís; Benjamin J. Puttnam; José-Manuel Delgado Mendinueta; Ali Shahpari; Zoran Vujičić; Werner Klaus; Jun Sakaguchi; Yoshinari Awaji; Antonio Teixeira; Naoya Wada; Tetsuya Kawanishi; Atsushi Kanno
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Paper Abstract

This work reviews the latest advancements in coherent self-homodyne detection (SHD) using signals with polarizationor space-multiplexed pilot tones (PTs) originating from the same light source, towards the implementation of low-cost coherent receivers. The coherency between signals and PTs drastically reduces laser linewidth requirements, enabling the use of high-order modulation formats with low-cost DFB lasers. In this work, we revise the application of SHD in high-capacity space-division multiplexed links using multi-core fibers, outlining optical signal-to-noise ratio, skew and phase noise requirements of such systems. Furthermore, we evaluate the application of SHD for the implementation of laser-less optical network units in passive optical networks, as well as recent developments in digital SHD techniques.

Paper Details

Date Published: 7 February 2015
PDF: 13 pages
Proc. SPIE 9389, Next-Generation Optical Communication: Components, Sub-Systems, and Systems IV, 93890P (7 February 2015); doi: 10.1117/12.2081686
Show Author Affiliations
Ruben S. Luís, National Institute of Information and Communications Technology (Japan)
Benjamin J. Puttnam, National Institute of Information and Communications Technology (Japan)
José-Manuel Delgado Mendinueta, National Institute of Information and Communications Technology (Japan)
Ali Shahpari, Univ. of Aveiro (Portugal)
Zoran Vujičić, Univ. of Aveiro (Portugal)
Werner Klaus, National Institute of Information and Communications Technology (Japan)
Jun Sakaguchi, National Institute of Information and Communications Technology (Japan)
Yoshinari Awaji, National Institute of Information and Communications Technology (Japan)
Antonio Teixeira, Univ. of Aveiro (Portugal)
Naoya Wada, National Institute of Information and Communications Technology (Japan)
Tetsuya Kawanishi, National Institute of Information and Communications Technology (Japan)
Atsushi Kanno, National Institute of Information and Communications Technology (Japan)


Published in SPIE Proceedings Vol. 9389:
Next-Generation Optical Communication: Components, Sub-Systems, and Systems IV
Guifang Li; Xiang Zhou, Editor(s)

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