Direct phase modulation DFBs for cost-effective ONU transmitter in udWDM PONs
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hdl:2117/25072
Document typeArticle
Defense date2014-05-15
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Abstract
A technique for direct phase modulating a low-cost distributed feedback laser is presented for user transmitter in ultra dense wavelength division multiplexing passive optical networks. It consists of a simple RC network, which equalizes the phase response. The method is tested with differential phase-shift keying modulation and heterodyne coherent detection at 1.25 and 2.5 Gb/s showing a penalty <1 dB at BER = 10(-3) compared with external phase modulation.
CitationCano, I. [et al.]. Direct phase modulation DFBs for cost-effective ONU transmitter in udWDM PONs. "IEEE photonics technology letters", 15 Maig 2014, vol. 26, núm. 10, p. 973-975.
ISSN1041-1135
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