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Proceedings Paper

Terabit optical access networks using ultra-dense WDM and coherent technology
Author(s): Ming Zhu; Jihong Liu; Yu-Ting Hsueh; Gee-Kung Chang; Gordon Gu; Fujin Zhu
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Paper Abstract

As the demand for higher capacity and longer reach of optical access networks is garnering momentum in recent years, coherent access technology attracts renewed interests in high-capacity optical networking. In this paper, designs of various coherent access networks are investigated and compared. From our results, it may be the most promising solution with high capacity at optimized cost. When coherent detection is employed in access network, the laser linewidth is a key design issue for optimized performance and cost as laser phase noise is larger with lower bit rate. One of our objectives is to examine the feasibility of employing a conventional DFB as carrier sources. We evaluated the performance of ultra-dense WDM access networking system. Experimental results show that 2.5GB/s QPSK data can be transmitted over 35-km SMF-28 with 6.5GHz channel spacing using DFB lasers.

Paper Details

Date Published: 25 January 2012
PDF: 6 pages
Proc. SPIE 8331, Photonics and Optoelectronics Meetings (POEM) 2011: Optical Communication Systems and Networking, 83310G (25 January 2012); doi: 10.1117/12.916874
Show Author Affiliations
Ming Zhu, Georgia Institute of Technology (United States)
Jihong Liu, Xi'an Univ. of Posts and Telecommunications (China)
Georgia Institute of Technology (Georgia)
Yu-Ting Hsueh, Georgia Institute of Technology (United States)
Gee-Kung Chang, Georgia Institute of Technology (United States)
Gordon Gu, AOC Technologies Co. Ltd (China)
Fujin Zhu, AOC Technologies Co. Ltd (China)


Published in SPIE Proceedings Vol. 8331:
Photonics and Optoelectronics Meetings (POEM) 2011: Optical Communication Systems and Networking
Zisen Zhao; Richard Penty; Chester Shu; Tao Jiang, Editor(s)

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