Probabilistically shaped CAP-9 transmission based on reverse distribution model

Ying Zhang; Bo Liu; Jianxin Ren; Xiangyu Wu

doi:10.1117/1.OE.59.10.106104

13 October 2020 Probabilistically shaped CAP-9 transmission based on reverse distribution model

Ying Zhang, Bo Liu, Jianxin Ren, Xiangyu Wu

Author Affiliations +

Optical Engineering, Vol. 59, Issue 10, 106104 (October 2020). https://doi.org/10.1117/1.OE.59.10.106104

Abstract

A probabilistically shaped 9-ary carrierless amplitude and phase (CAP-9) optical modulation format based on a reverse distribution model is proposed. We experimentally demonstrate the transmission of 33.3-Gb / s PS-CAP-9 signals over 25-km standard single-mode fiber in an intensity-modulation and direct-detection system. The results indicate that the proposed scheme outperforms the conventional uniform CAP-16 and the conventional PS-CAP-16 in receiver sensitivity by 1.2 and 0.4 dB at the threshold of 3.8 × 10^− 3 BER, respectively.

Citation Download Citation

Ying Zhang, Bo Liu, Jianxin Ren, and Xiangyu Wu "Probabilistically shaped CAP-9 transmission based on reverse distribution model," Optical Engineering 59(10), 106104 (13 October 2020). https://doi.org/10.1117/1.OE.59.10.106104

Received: 24 May 2020; Accepted: 23 September 2020; Published: 13 October 2020

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