利用富氮化硅波导实现PAM4到QPSK和16QAM的全光调制格式转换

IF 0.7 4区计算机科学 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC IEICE Transactions on Communications Pub Date : 2023-01-01 DOI:10.1587/transcom.2022obp0003

Y. Fujihara, Asahi Sueyoshi, Alisson Rodrigues de Paula, A. Maruta, K. Mishina

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引用次数: 0

摘要

正交相移键控(QPSK)和16正交调幅(16QAM)格式部署在需要高传输容量和频谱效率的数据中心间网络中。然而，在数据中心内部网络中，为了满足低成本和低成本的收发器配置要求，需要部署四电平脉冲幅度调制(PAM4)。为了在没有光-电-光转换的情况下无缝有效地连接这种异构网络，需要全光调制格式转换技术。在本文中，我们提出了全光PAM4到QPSK和16QAM调制格式转换使用富硅氮化波导。通过数值模拟验证了50- gbps级PAM4信号到50- gbps级QPSK和100- gbps级16QAM信号的成功转换。

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All-Optical Modulation Format Conversions from PAM4 to QPSK and 16QAM Using Silicon-Rich Nitride Waveguides

SUMMARY Quadrature phase-shift keying (QPSK) and 16-quadrature amplitude modulation (16QAM) formats are deployed in inter-data center networks where high transmission capacity and spectral eﬃciency are required. However, in intra-data center networks, a four-level pulse amplitude modulation(PAM4)formatisdeployedtosatisfytherequirementsforasim-pleandlow-costtransceiverconﬁguration.Fortheseamlessandeﬀective connectionofsuchheterogeneousnetworkswithoutanoptical–electrical– opticalconversion, anall-opticalmodulationformatconversiontechniqueis required. In this paper, we propose all-optical PAM4 to QPSK and 16QAM modulation format conversions using silicon-rich nitride waveguides. The successful conversions from 50-Gbps-class PAM4 signals to 50-Gbps-class QPSK and 100-Gbps-class 16QAM signals are demonstrated via numerical simulations.

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来源期刊

IEICE Transactions on Communications 工程技术-电信学

CiteScore

1.40

自引率

28.60%

发文量

101

审稿时长

3.7 months

期刊介绍： The IEICE Transactions on Communications is an all-electronic journal published occasionally by the Institute of Electronics, Information and Communication Engineers (IEICE) and edited by the Communications Society in IEICE. The IEICE Transactions on Communications publishes original, peer-reviewed papers that embrace the entire field of communications, including: - Fundamental Theories for Communications - Energy in Electronics Communications - Transmission Systems and Transmission Equipment for Communications - Optical Fiber for Communications - Fiber-Optic Transmission for Communications - Network System - Network - Internet - Network Management/Operation - Antennas and Propagation - Electromagnetic Compatibility (EMC) - Wireless Communication Technologies - Terrestrial Wireless Communication/Broadcasting Technologies - Satellite Communications - Sensing - Navigation, Guidance and Control Systems - Space Utilization Systems for Communications - Multimedia Systems for Communication