All-Optical OFDM Demultiplexer Based on an Integrated Silicon-on-Insulator Technique

被引：1
|
作者：
Yu, Hai [1 ,2 ]
Yu, Hongchen [1 ,2 ]
Chen, Hongwei [1 ,2 ]
Chen, Minghua [1 ,2 ]
Yang, Sigang [1 ,2 ]
Xie, Shizhong [1 ,2 ]
机构：
[1] Tsinghua Natl Lab Informat Sci & Technol TNList, Beijing 100084, Peoples R China
[2] Tsinghua Univ, Dept Elect Engn, Beijing 100084, Peoples R China
来源：
IEEE PHOTONICS JOURNAL | 2016年 / 8卷 / 01期
基金：
美国国家科学基金会;
关键词：
Optical communications; wavelength filtering devices; integrated optics devices; TRANSMISSION; FIBER;
D O I：
10.1109/JPHOT.2015.2510650
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
An all-optical orthogonal frequency-division multiplexing (OFDM) demultiplexer based on silicon-on-insulator (SOI) waveguide technology is proposed and experimentally demonstrated. Such an integrated structure performing a discrete Fourier transform (DFT) not only has the advantages of a smaller volume and better stability but can also handle more optical subcarriers by increasing the number of the cascaded Mach-Zehnder interferometer (MZI) stages. An SOI-based eight-channel OFDM demultiplexer has been successfully fabricated with a free spectrum range (FSR) of approximately 64 GHz. Eight-subcarrier optical OFDM signals with non-return-to-zero (NRZ) formats are successfully detected by the proposed demultiplexer after a 30-km fiber-link transmission. The total modulation speed is 64 Gbaud, and the bit error rate (BER) performance of each subcarrier is also measured.
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收藏
页数：7
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