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ZTE Communications ›› 2012, Vol. 10 ›› Issue (1): 18-22.

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Spatial Mode-Division Multiplexing for High-Speed Optical Coherent Detection Systems

William Shieh1, An Li1, Abdullah Al Amin1, Xi Chen1, Simin Chen1, and Guanjun Gao1, 2   

  1. 1. Department of Electrical and Electronic Engineering, The University of Melbourne, 3010 Parkville, VIC, Australia;
    2. State Key Laboratory of Information Photonics and Optical Communications (Beijing), Beijing University of Posts and Telecommunications, 100876, China
  • 收稿日期:2012-01-06 出版日期:2012-03-25 发布日期:2012-03-25
  • 作者简介:William Shieh (shiehw@unimelb.edu.au) received his MS degree in electrical engineering communications from the University of Southern California, Los Angeles, in 1994. He received his PhD degree in physics from the same university in 1996. Since 2004, he has worked in the Department of Electrical and Electronic Engineering, University of Melbourne, Australia. His research interests include OFDM techniques in wireless and optical communications, coherent optical communication systems, and optical packet switching. He has published more than 110 journal and conference papers and submitted 14 U.S. patents (nine issued) for polarization controller, wavelength stabilization in WDM systems, and Raman amplifier-based systems and subsystems. Dr. Shieh is a fellow of the Optical Society of America (OSA).

    An Li (a.li2@pgrad.unimelb.edu.au) received his BE degree in optical information science and technology from Huazhong University of Science and Technology, Wuhan, China, in 2003. He received his ME degree in physical electronics from the same university in 2006. From 2006 to 2007 he worked at Fiberxon Inc. (Source Photonics) on G(E)PON optical transceivers. He is currently working toward his PhD degree in the department of electrical and electronic engineering, University of Melbourne, Australia. His research interests include signal processing, wavelet analysis, few-mode fiber transmission, and optical OFDM system design.

    Abdullah Al Amin (aalamin@unimelb.edu.au) received his BE, ME and PhD degrees in electronic engineering from the University of Tokyo in 1999, 2001, and 2005. From 2005 to 2007, he was a postdoctoral research fellow at the Research Center for Advanced Science and Technology, University of Tokyo. He was responsible for developing an optical router prototype as part of NEDO-funded Photonic Network Project. From 2007 to 2009, he worked at KDDI R&D Laboratories, Saitama, Japan, where he conducted research on high-speed optical transmission using advanced modulation formats. He joined the University of Melbourne as a research fellow in 2010. His research focus is coherent optical OFDM and few-mode fiber based transmission systems.

    Xi Chen (xi.chen@ee.unimelb.edu.au）was born in Hunan, China. She received the B.E. degree in communication engineering in 2008, from National University of Defense Technology, Changsha, China. She is currently a Ph.D candidate in electrical and electronic engineering at the University of Melbourne, Melbourne, Australia. Her current research interests include optical OFDM systems, fiber nonlinear effects, and few-mode fiber (FMF) based communication systems.

    Simin Chen（simin.chen@unimelb.edu.au）received his BS and MS degrees in electrical and electronic engineering from Sichuan University, China. He is working toward his PhD degree in the Department of Electrical and Electronic Engineering at the University of Melbourne, Australia. From 2006 to 2007 he worked at Fiberxon Inc. on optical transceivers and FPGA. His research interests are signal processing and coherent optical communication systems with a focus on the real-time implementation of coherent optical OFDM transmitter and receiver.

    Guanjun Gao (gaog@unmelb.edu.au) received his BE degree in communication engineering from Beijing University of Posts and Telecommunications (BUPT) in 2006. He is currently a PhD candidate at BUPT and a visiting student at the University of Melbourne, Australia. His research interests include optical OFDM systems, few-mode fiber (FMF) communication systems, and cross-layer design of optical networks.

Spatial Mode-Division Multiplexing for High-Speed Optical Coherent Detection Systems

William Shieh1, An Li1, Abdullah Al Amin1, Xi Chen1, Simin Chen1, and Guanjun Gao1, 2   

  1. 1. Department of Electrical and Electronic Engineering, The University of Melbourne, 3010 Parkville, VIC, Australia;
    2. State Key Laboratory of Information Photonics and Optical Communications (Beijing), Beijing University of Posts and Telecommunications, 100876, China
  • Received:2012-01-06 Online:2012-03-25 Published:2012-03-25
  • About author:William Shieh (shiehw@unimelb.edu.au) received his MS degree in electrical engineering communications from the University of Southern California, Los Angeles, in 1994. He received his PhD degree in physics from the same university in 1996. Since 2004, he has worked in the Department of Electrical and Electronic Engineering, University of Melbourne, Australia. His research interests include OFDM techniques in wireless and optical communications, coherent optical communication systems, and optical packet switching. He has published more than 110 journal and conference papers and submitted 14 U.S. patents (nine issued) for polarization controller, wavelength stabilization in WDM systems, and Raman amplifier-based systems and subsystems. Dr. Shieh is a fellow of the Optical Society of America (OSA).

    An Li (a.li2@pgrad.unimelb.edu.au) received his BE degree in optical information science and technology from Huazhong University of Science and Technology, Wuhan, China, in 2003. He received his ME degree in physical electronics from the same university in 2006. From 2006 to 2007 he worked at Fiberxon Inc. (Source Photonics) on G(E)PON optical transceivers. He is currently working toward his PhD degree in the department of electrical and electronic engineering, University of Melbourne, Australia. His research interests include signal processing, wavelet analysis, few-mode fiber transmission, and optical OFDM system design.

    Abdullah Al Amin (aalamin@unimelb.edu.au) received his BE, ME and PhD degrees in electronic engineering from the University of Tokyo in 1999, 2001, and 2005. From 2005 to 2007, he was a postdoctoral research fellow at the Research Center for Advanced Science and Technology, University of Tokyo. He was responsible for developing an optical router prototype as part of NEDO-funded Photonic Network Project. From 2007 to 2009, he worked at KDDI R&D Laboratories, Saitama, Japan, where he conducted research on high-speed optical transmission using advanced modulation formats. He joined the University of Melbourne as a research fellow in 2010. His research focus is coherent optical OFDM and few-mode fiber based transmission systems.

    Xi Chen (xi.chen@ee.unimelb.edu.au）was born in Hunan, China. She received the B.E. degree in communication engineering in 2008, from National University of Defense Technology, Changsha, China. She is currently a Ph.D candidate in electrical and electronic engineering at the University of Melbourne, Melbourne, Australia. Her current research interests include optical OFDM systems, fiber nonlinear effects, and few-mode fiber (FMF) based communication systems.

    Simin Chen（simin.chen@unimelb.edu.au）received his BS and MS degrees in electrical and electronic engineering from Sichuan University, China. He is working toward his PhD degree in the Department of Electrical and Electronic Engineering at the University of Melbourne, Australia. From 2006 to 2007 he worked at Fiberxon Inc. on optical transceivers and FPGA. His research interests are signal processing and coherent optical communication systems with a focus on the real-time implementation of coherent optical OFDM transmitter and receiver.

    Guanjun Gao (gaog@unmelb.edu.au) received his BE degree in communication engineering from Beijing University of Posts and Telecommunications (BUPT) in 2006. He is currently a PhD candidate at BUPT and a visiting student at the University of Melbourne, Australia. His research interests include optical OFDM systems, few-mode fiber (FMF) communication systems, and cross-layer design of optical networks.

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摘要： Spatial mode-division multiplexing is emerging as a potential solution to further increasing optical fiber capacity and spectral efficiency. We report a dual-mode, dual-polarization transmission method based on mode-selective excitation and detection over a two-mode fiber. In particular, we present 107 Gbit/s coherent optical OFDM (CO-OFDM) transmission over a 4.5 km two-mode fiber using LP01 and LP11 modes in which mode separation is performed optically.

关键词: coherent communications, few-mode fiber, mode converter, fiber optic components

Abstract: Spatial mode-division multiplexing is emerging as a potential solution to further increasing optical fiber capacity and spectral efficiency. We report a dual-mode, dual-polarization transmission method based on mode-selective excitation and detection over a two-mode fiber. In particular, we present 107 Gbit/s coherent optical OFDM (CO-OFDM) transmission over a 4.5 km two-mode fiber using LP01 and LP11 modes in which mode separation is performed optically.

Key words: coherent communications, few-mode fiber, mode converter, fiber optic components