Coherent detection in self-homodyne systems with single and multi-core transmission

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

doi:10.1117/12.2081686

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7 February 2015 Coherent detection in self-homodyne systems with single and multi-core transmission

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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Proceedings Volume 9389, Next-Generation Optical Communication: Components, Sub-Systems, and Systems IV; 93890P (2015) https://doi.org/10.1117/12.2081686
Event: SPIE OPTO, 2015, San Francisco, California, United States

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.

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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, and Atsushi Kanno "Coherent detection in self-homodyne systems with single and multi-core transmission", Proc. SPIE 9389, Next-Generation Optical Communication: Components, Sub-Systems, and Systems IV, 93890P (7 February 2015); https://doi.org/10.1117/12.2081686

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