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

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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