Expand this Topic clickable element to expand a topic
Skip to content
Optica Publishing Group
  • Chinese Optics Letters
  • Vol. 19,
  • Issue 11,
  • pp. 110604-
  • (2021)

Multi-distributed probabilistically shaped PAM-4 system for intra-data-center networks

Not Accessible

Your library or personal account may give you access

Abstract

Probabilistically shaped (PS) pulse amplitude modulation (PAM) is a promising technique for intra-data-center networks due to its superior performance, for which a low-complexity and cost-effective distributed matching method is critical. In this work, we propose an energy-level-assigned method to yield PS-PAM-4 signals with various bit rates based on variable probabilistic distributions. We experimentally demonstrate the proposed method in a 25 Gbaud PS-PAM-4 transmission over a bandwidth of approximately 10 GHz. Compared to a uniform PAM-4 system, the proposed multi-distributed PS-PAM-4 system approaches the hard decision threshold at a wide range of received optical power for different applications.

© 2022 Chinese Laser Press

PDF Article
More Like This
Probabilistic shaping and forward error correction scheme employing uneven segmentation mapping for data center optical communication

Zexuan Jing, Qinghua Tian, Xiangjun Xin, Yongjun Wang, Xishuo Wang, Ran Gao, Dong Guo, Fu Wang, Feng Tian, and Qi Zhang
Opt. Express 29(4) 6209-6219 (2021)

Probabilistic shaped trellis coded modulation with generalized frequency division multiplexing for data center optical networks

Feng Tian, Dong Guo, Xiangjun Xin, Qi Zhang, Chuxuan Wang, Yongjun Wang, Qinghua Tian, Zhipei Li, Xishuo Wang, Xiaolong Pan, and Jianjun Yu
Opt. Express 27(23) 33159-33169 (2019)

FPGA-based 4 × 29.4912 Gbit/s PS-PAM4 signal transmission with a low-complexity probabilistic shaping scheme

Kaihui Wang, Long Zhang, Yu Chen, Yikai Wang, Chen Wang, Yun Chen, and Jianjun Yu
Opt. Lett. 48(6) 1514-1517 (2023)

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Select as filters


Select Topics Cancel
© Copyright 2024 | Optica Publishing Group. All Rights Reserved