Degradations in balanced DPSK receivers
- 26 August 2003
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Photonics Technology Letters
- Vol. 15 (9) , 1282-1284
- https://doi.org/10.1109/lpt.2003.816112
Abstract
We discuss, both by simulation and experiment, the design of balanced differential phase-shift keying receivers. We study detector amplitude imbalance and phase imbalance, interferometer delay mismatch, interferometer extinction, and laser frequency offset. The most critical impairment in a practical receiver is found to be a mismatch between laser frequency and interferometer phase, which directly impacts the interference quality.Keywords
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