Flex-Rate Transmission using Hybrid Probabilistic and Geometric Shaped 32QAM

Publication Date: 3/11/2018

Event: OFC 2018

Reference: M1G.3: 1-3, 2018

Authors: Shaoliang Zhang, NEC Laboratories America, Inc.; Zhen Qu, NEC Laboratories America, Inc., University of Arizona; Fatih Yaman, NEC Laboratories America, Inc.; Eduardo Mateo, NEC Corporation; Takanori Inoue, NEC Corporation; Kohei Nakamura, NEC Corporation; Yoshihisa Inada, NEC Corporation; Ivan B. Djordjevic, University of Arizona

Abstract: A novel algorithm to design geometric shaped 32QAM to work with probabilistic shaping is proposed to approach the Shannon limit within ~0.2 dB in SNR. The experimental results show ~0.2 dB SNR advantage over 64Gbaud PAS-64QAM, and flex-rate transmission demonstrates > 500 km reach improvement over 32QAM.

Publication Link: https://ieeexplore.ieee.org/document/8385689