Colorless FDMA-PON with flexible bandwidth allocation and colorless, low-speed ONUs [invited]
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Document typeArticle
Defense date2013-10
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Rights accessRestricted access - publisher's policy
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Abstract
We demonstrate a remotely seeded flexible passive optical network (PON) with multiple low-speed subscribers but only a single optical line terminal transceiver operating at a data rate of 31.25 Gbits/s. The scheme is based on a colorless frequency division multiplexing (FDM)-PON with centralized wavelength control. Multiplexing and demultiplexing in the optical network unit (ONU) is performed in the electronic domain and relies either on FDM with Nyquist sinc-pulse shaping or on orthogonal frequency division multiplexing (OFDM). This way the ONU can perform processing at low speed in the baseband. Further, the ONU is colorless by means of a remote seed for upstream transmission and a remote local oscillator for heterodyne reception, all of which helps in keeping maintenance and costs for an ONU potentially low and will simplify wavelength allocation in a future software defined network architecture. To extend the reach, semiconductor optical amplifiers are used for optical amplification in the downstream and upstream.
CitationSchindler, P.C. [et al.]. Colorless FDMA-PON with flexible bandwidth allocation and colorless, low-speed ONUs [invited]. "Journal of optical communications and networking", Octubre 2013, vol. 5, núm. 10, p. A204-A212.
ISSN1943-0620
Publisher versionhttp://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=6645114
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