Terabit optical access networks using ultra-dense WDM and coherent technology

Ming Zhu; Jihong Liu; Yu-Ting Hsueh; Gee-Kung Chang; Gordon Gu; Fujin Zhu

doi:10.1117/12.916874

25 January 2012 Terabit optical access networks using ultra-dense WDM and coherent technology

Ming Zhu, Jihong Liu, Yu-Ting Hsueh, Gee-Kung Chang, Gordon Gu, Fujin Zhu

Proceedings Volume 8331, Photonics and Optoelectronics Meetings (POEM) 2011: Optical Communication Systems and Networking; 83310G (2012) https://doi.org/10.1117/12.916874
Event: Photonics and Optoelectronics Meetings 2011, 2011, Wuhan, China

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.

Citation Download Citation

Ming Zhu, Jihong Liu, Yu-Ting Hsueh, Gee-Kung Chang, Gordon Gu, and Fujin Zhu "Terabit optical access networks using ultra-dense WDM and coherent technology", Proc. SPIE 8331, Photonics and Optoelectronics Meetings (POEM) 2011: Optical Communication Systems and Networking, 83310G (25 January 2012); https://doi.org/10.1117/12.916874

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