Study on a Multiplexer a 40 Gb/s OTDM System

In a 4?0Gb/s OTDM system (optical time-division-multiplication) system, multiplexing devices are key devices. The time interval of four channels of the 40Gb/s OTDM system is 25ps respectively. If the time intervals are no accurate, will induce the system performance to degeneration. In order to make out OTDM device and carry out a transmission experiment in a 40Gb/s OTDM system, a kind of OTDM device is researched. This scheme be used to fabricate multiplex device. Also the device have been used to a 40Gb/s OTDM system. Our experimental results shows that, the multiplex device based on the six 1 optical fiber couplers can be used to multiple at a time domain.That make four 10Gb/s optical signals multiple to 40Gb/s. The time interval error of each of channels is not bigger than 1ps, inserted loss is smaller than 2dB.

作 者： LI Tangjun Jiang Zhongao CUI Jie Gong Xiangfeng Diao Cao   作者單位： Institute of Lightwave Technology, Northern Jiaotong University, Beijing, China, 100044  刊 名： 光學(xué)學(xué)報  ISTIC EI PKU 英文刊名： ACTA OPTICA SINICA  年，卷(期)： 2003 23(z1)  分類號： O4  關(guān)鍵詞： OTDM devices   Fiber couplers  

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