Abstract
We study the performance of an orthogonal modulation system with frequency-shift keying (FSK) label and optical Manchester-coded (MC) payload. Simulation result shows that by introducing an optical MC payload, the available extinction ratio (ER) value of a FSK and intensity modulation (IM) orthogonal modulation system can be improved from 5 to 9 dB for system optimization, exhibiting great advantages over the traditional non-return-to-zero (NRZ) payload. Besides, the bit error rate (BER) characteristics of both label and payload show a more remarkable advantage than that of NRZ coding, verifying itself as a perfect candidate for the payload coding method in orthogonal modulation systems.
| Original language | English |
|---|---|
| Pages (from-to) | 464-467 |
| Number of pages | 4 |
| Journal | Chinese Optics Letters |
| Volume | 8 |
| Issue number | 5 |
| DOIs | |
| Publication status | Published - May 2010 |
| Externally published | Yes |
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Zhou, R., Xin, X., Zhang, Q., Zhao, K., Zhao, T., & Yu, C. (2010). Study of FSK/IM orthogonal modulation system with optical Manchester-coded payload. Chinese Optics Letters, 8(5), 464-467. https://doi.org/10.3788/COL20100805.0464