Using M-QAM-OFDM in Downstream Link and WBTW-SOA in Upstream of a Bidirectional WDM-PON System

DOI: 10.4236/opj.2013.31014   PDF   HTML   XML   4,640 Downloads   8,779 Views   Citations


The passive optical network WDM-PON is one of the most dominant performers of all communication systems, and provides sufficient broadband service. Providing enough data for the demands of today and the future, marks this area as a critical topic for researchers. The first goal of this article is to study the performance of OFDM in a bidirectional WDM-PON by using QAM and BPSK modulation methods in the downstream link. The second goal is to build the upstream link with WBTW-SOA and show its ability to transmit the upstream signal with low equipment. Sending and receiving signals from the central office to the last mile, and opposite of the network up to 100 Km via a bidirectional single mode optical fiber (SMF) was successfully achieved.

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A. Alateeq and M. Matin, "Using M-QAM-OFDM in Downstream Link and WBTW-SOA in Upstream of a Bidirectional WDM-PON System," Optics and Photonics Journal, Vol. 3 No. 1, 2013, pp. 88-92. doi: 10.4236/opj.2013.31014.

Conflicts of Interest

The authors declare no conflicts of interest.


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