1.25-3.125 Gb/s per user PON with RSOA as phase modulator for statistical wavelength ONU
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hdl:2117/83620
Document typeArticle
Defense date2015-12-15
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Abstract
We report a new scheme to support, cost efficiently, ultra-dense wavelength division multiplexing (UDWDM) for optical access networks. As validating experiment, we apply phase modulation of a reflective semiconductor optical amplifier (RSOA) at the ONU with a single DEB, and simplified coherent receiver at OFT for upstream. We extend the limited 3-dB modulation bandwidth of available uncooled To-can packaged RSOA (similar to 400 MHz) and operate it at 3.125 Gb/s with the optimal performance for phase modulation using small and large signal measurement characteristics. The optimal condition is selected at input power of 0 dBm, with 70 rnA bias condition. The sensitivities at 3.125 Gbis (at BER=10(-3)) for heterodyne and intradyne detection reach -34.3 dBm and -38.8 dBm, respectively.
CitationChu, G., Polo, V., Lerín, A., Tabares, J., Cano, I., Prat, J. 1.25-3.125 Gb/s per user PON with RSOA as phase modulator for statistical wavelength ONU. "Optics communications", 15 Desembre 2015, vol. 357, p. 34-40.
ISSN0030-4018
Publisher versionhttp://www.sciencedirect.com/science/article/pii/S0030401815300390
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