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Optical packet switching network of all-optical clock recovery technology research

Author: WuTong
Tutor: QiuKun
School: University of Electronic Science and Technology
Course: Optical Engineering
Keywords: Optical Packet Switching Clock Recovery Clock enhanced DFB Laser Cross-phase modulation
CLC: TN929.1
Type: Master's thesis
Year: 2005
Downloads: 212
Quote: 1
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Abstract


This paper mainly used in optical packet switched networks, all-optical clock recovery ( extraction ) technology . Optical packet switching network is a great deal of research value of the next-generation all-optical network . Optical network technology as an IP-oriented business , it is a direct bearing on the optical layer Internet services, the data packet will be in the form of light directly in the optical packet switching network to transmit , to achieve the IP and fusion of the light absorbing layer . Optical packet switching electrical switching system is widely used in optical networks , it overcomes certain exchange the use of electricity in the optical domain extension . About commercialization based optical cross-connects and optical add -drop multiplexing optical transport network compared with existing optical network based on Synchronous Digital Hierarchy (SDH / SONET) and optical packet switching network key technologies and devices will have a greater difference this is due to the core technology of the optical packet switched network is to realize the transmission of the data packets , routing , forwarding , and storage and other functions of the optical signal processing technology . The main contents of this article is one of the key technologies of optical packet -switched networks - all-optical clock recovery technology . The main content of the paper is divided into two areas: (1) Return to Zero (RZ) optical data signal all-optical clock extraction method . (2) a non - return to zero code (NRZ) clock signal enhancement of the optical data signal and the clock recovery method . Firstly, in the second chapter describes the composition of optical packet switching network , and its central part - the structure and function of optical packet switching nodes , and leads as the basis for the realization of optical packet switching network involved in a variety of key technologies . And in Chapters III and IV of key content - all-optical clock recovery technology . Chapter research RZ data signal of all-optical clock recovery technology . First studied the principle of the present technical solution , and their characteristics were compared , highlighting the use of the DFB laser to achieve the advantages of optical clock recovery . Been described in detail and then the use of the DFB laser to achieve the principles of the clock recovery and analysis . Finally, the simulation -depth study of the optical clock recovery performance characteristics of the application , and some important parameters of the optimization settings found in the simulation process . Chapter NRZ data clock signal enhancement technology , and use it as the basis of research

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Wireless communications > Lightwave communications, laser communications
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