Homodyne Phase-Shift-Keying Systems: Past Challenges and Future Opportunities
- 1 December 2006
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in Journal of Lightwave Technology
- Vol. 24 (12) , 4876-4884
- https://doi.org/10.1109/jlt.2006.883692
Abstract
Homodyne phase-shift-keying systems can achieve the best receiver sensitivity and the longest transmission distance among all optical communication systems. This paper reviews recent research efforts in the field and examines future possibilities that might lead toward potential practical use of these systems. Additionally, phase estimation techniques based on feed-forward phase recovery and digital delay-lock loop approaches are examined, simulated, and comparedKeywords
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