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https://doi.org/10.1109/LPT.2012.2236547
| Title: | An all-optical modulation format conversion for 8QAM based on FWM in HNLF | Authors: | Zhang, B. Zhang, H. Yu, C. Cheng, X. Yeo, Y.K. Kam, P.-K. Yang, J. Zhang, H. Wen, Y.-H. Feng, K.-M. |
Keywords: | 8-ary quadrature amplitude modulation (8QAM) cross phase modulation (XPM) four-wave mixing (FWM) highly nonlinear fiber (HNLF) |
Issue Date: | 2013 | Citation: | Zhang, B., Zhang, H., Yu, C., Cheng, X., Yeo, Y.K., Kam, P.-K., Yang, J., Zhang, H., Wen, Y.-H., Feng, K.-M. (2013). An all-optical modulation format conversion for 8QAM based on FWM in HNLF. IEEE Photonics Technology Letters 25 (4) : 327-330. ScholarBank@NUS Repository. https://doi.org/10.1109/LPT.2012.2236547 | Abstract: | In this letter, we propose and experimentally demonstrate an all-optical modulation format conversion scheme from amplitude shift keying (ASK) and quadrature phase shift keying (QPSK) to 8-ary quadrature amplitude modulation (8QAM), using four-wave mixing (FWM) effect in highly nonlinear fiber. In the FWM process, a 20-Gbits/s return-to-zero QPSK (RZ-QPSK) signal and a 10-Gbit/s ASK signal are utilized as probe light and pump light, respectively. A 30-Gbits/s RZ-8QAM signal, which is the idler light, is successfully obtained with optical signal-to-noise ratio larger than 30 dB and bit-error rate lower than 10-5. © 1989-2012 IEEE. | Source Title: | IEEE Photonics Technology Letters | URI: | http://scholarbank.nus.edu.sg/handle/10635/81948 | ISSN: | 10411135 | DOI: | 10.1109/LPT.2012.2236547 |
| Appears in Collections: | Staff Publications |
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