Real-time 10Gbps Polarization Independent Quasicoherent Receiver for NG-PON2 Access Networks

Jose A. Altabas, Guillermo Silva Valdecasa, Lau Frejstrup Suhr, Morten Didriksen, Jose A. Lazaro, Ignacio Garces, Idelfonso Tafur Monroy, Anders Clausen, Jesper B. Jensen

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Abstract

In this paper, we propose and test experimentally a real-time 10 Gbps polarization independent quasicoherent receiver for NG-PON2 access networks. The proposed 10 Gbps quasicoherent receiver exhibits a sensitivity of -35.2 dBm after 40 km standard single mode fiber (SSMF) transmission with a commercial generic EML as transmitter. This sensitivity means a 14.9 dB improvement over a direct detection scheme with a photodiode after 40 km SSMF transmission. Therefore, the use of the proposed 10 Gbps quasicoherent receiver with the tested EML will provide a power budget of 35.64 dB (class E2) and a splitting ratio of 128 after the 40 km SSMF transmission. Finally, the proposed 10 Gbps quasicoherent receiver allows a colorless and optical filterless operation because wavelength selection is done by tuning the local oscillator wavelength and using electrical intermediate frequency filtering.
Original languageEnglish
JournalJournal of Lightwave Technology
Volume37
Issue number2
Pages (from-to)651 - 656
ISSN0733-8724
DOIs
Publication statusPublished - 2019

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Altabas, J. A., Silva Valdecasa, G., Suhr, L. F., Didriksen, M., Lazaro, J. A., Garces, I., Tafur Monroy, I., Clausen, A., & Jensen, J. B. (2019). Real-time 10Gbps Polarization Independent Quasicoherent Receiver for NG-PON2 Access Networks. Journal of Lightwave Technology, 37(2), 651 - 656. https://doi.org/10.1109/JLT.2018.2880361