An all-optical modulation format conversion for 8QAM based on FWM in HNLF

Please use this identifier to cite or link to this item: 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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