Lasers, Fiber Optics, and Communications

Type tunable asymmetric interleaver

[+] Author Affiliations
Xiheng Qin, Bing Liu, Xin Sun, Lixiang Chen, Zhe Liu, Xingxing Wu

Qingdao University, College of Physics Science, 308 Ningxia Road, Qingdao 266071, China

Opt. Eng. 55(11), 116103 (Nov 14, 2016). doi:10.1117/1.OE.55.11.116103
History: Received September 9, 2016; Accepted October 24, 2016
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Abstract.  A type of an interleaver with tunable bandwidth ratio for a dense wavelength division multiplexing (DWDM) system is proposed, which integrates a nested ring resonator with a Mach–Zehnder interferometer. The merits of the interleaver are its structure simplicity and the ultralarge tunability on bandwidth ratio. Based on the coupled-mode theory, the effects of essential parameter changes on the output waveforms have been analyzed. According to the theoretical analysis and simulation results, the bandwidth ratio is more determined by the coupling efficiency while the bandwidth is controlled by the optical length of the ring resonator. It was found that the bandwidth ratio is adjustable and varies between 1.5 and 10.5. Therefore, the interleaver can provide important implications for the DWDM system.

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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

Xiheng Qin ; Bing Liu ; Xin Sun ; Lixiang Chen ; Zhe Liu, et al.
"Type tunable asymmetric interleaver", Opt. Eng. 55(11), 116103 (Nov 14, 2016). ; http://dx.doi.org/10.1117/1.OE.55.11.116103


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