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| Analysis of Optical Add-drop Multiplexer Based on Beam Splitter and Bidirectional Mode |
| ZHU Dan-dan,PIAN Fei-fei,ZHENG Hong,ZHANG Kun,CHEN Jie-yun |
| College of Electric Engineering, Yanshan University, Qinhuangdao, Hebei 066004, China |
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Abstract Optical add-drop multiplexer(OADM) based on fiber Bragg grating is discussed . Two kinds of novel four wave wavelength OADM structures are analyzed. One kind of OADM is based on bidirectional type. The other kind of OADM is based on beam splitter and bidirectional type. Bidirectional OADM can transmit optical signal from two directions, this can make the system structure in the relatively small use of circulator, it can reduce system loss. The output spectrum was more close to the original spectrum. OADM based on beam splitter and bidirectional type increases transmission channel number. The OptiSystem software is used to simulate two kinds of structures, the simulation experimental results show that both kinds of OADM can implement four wavelength channels′ uploading and downloading simultaneously.
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Received: 19 July 2016
Published: 12 April 2018
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2018, Vol. 39 
