Multilevel direct DFB phase modulation in 6.25 GHz spectrally spaced UDWDM PONs

Cano Valadez, Iván Nicolás; Velásquez Micolta, Juan Camilo; Polo Querol, Víctor; Prat Gomà, Josep Joan

doi:10.1109/ICTON.2016.7550260

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Cano Valadez, Iván Nicolás

Velásquez Micolta, Juan Camilo

Polo Querol, Víctor

Prat Gomà, Josep Joan

Document typeLecture

Defense date2016

Rights accessRestricted access - publisher's policy

All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder

Abstract

Direct phase modulation of DFB is demonstrated with DPSK, DQPSK and Duobinary modulation formats and detected with an intradyne receiver based on a 120-degree hybrid. The system is tested in a 50 km fibre link with 6.25 GHz channel spacing among users in a UDWDM-PON. By using higher modulation formats, the spectral efficiency can be increased in a single carrier system without spectral shaping while achieving an Rx sensitivity of -40 dBm at BER = 10-3for 5 Gb/s in a 2 GHz bandwidth limited DFB.

CitationCano, I., Velasquez, J., Polo, V., Prat, J. "Multilevel direct DFB phase modulation in 6.25 GHz spectrally spaced UDWDM PONs". Trento: 2016.

URIhttp://hdl.handle.net/2117/98941

DOI10.1109/ICTON.2016.7550260

ISBN9781509014682

Publisher versionhttp://ieeexplore.ieee.org/document/7550260/

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Multilevel direct DFB phase modulation in 6.25 GHz spectrally spaced UDWDM PONs

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