12 May 2006 Coherent homodyne receiver systems based on a mode-locked semiconductor laser for an optical coherent CDMA system
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Abstract
High detection sensitivity and large multi-user interference rejection are key requirements to accommodate a higher number of users in an optical coherent CDMA system. In this work, we propose efficient coherent homodyne receiver system configurations, as well as, demonstrate experimentally the performance of coherent homodyne pulse detection using a synchronized modelocked semiconductor laser system. We present the significant improvement of coherent gain and signal-to-noise ratio of the NRZ ASK format modulated PRBS data detection compared with direct detection.
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Wangkuen Lee, Wangkuen Lee, Hossein Izadpanah, Hossein Izadpanah, Myoung-taek Choi, Myoung-taek Choi, Peter Delfyett, Peter Delfyett, Shahab Etemad, Shahab Etemad, } "Coherent homodyne receiver systems based on a mode-locked semiconductor laser for an optical coherent CDMA system", Proc. SPIE 6243, Enabling Photonics Technologies for Defense, Security, and Aerospace Applications II, 62430B (12 May 2006); doi: 10.1117/12.673761; https://doi.org/10.1117/12.673761
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