Design of interleavers with fiber ring coupled structure based on digital signal processing theory

Xue Li; Juan Zhang; Sen Guo

doi:10.1117/12.888349

19 January 2011 Design of interleavers with fiber ring coupled structure based on digital signal processing theory

Xue Li, Juan Zhang, Sen Guo

Proceedings Volume 7986, Passive Components and Fiber-Based Devices VII; 79860Z (2011) https://doi.org/10.1117/12.888349
Event: Asia Communications and Photonics Conference and Exhibition, 2010, Shanghai, Shanghai, China

Abstract

Based on digital signal processing theory, a simple method of designing interleavers is proposed for MZI with fiber ring coupled structure. The results of different coupled structures, including no-ring, single ring coupled on one arm of MZI, single ring coupled on each arm of MZI, two rings coupled on one arm of MZI while one ring coupled on another arm and two rings coupled on the both arms of MZI structures are given and analyzed. The proposed method is not only simple but also effective. At last, take two vertically cascaded rings coupled on one arm and one ring coupled on another arm for instance, the change of spectral transmittance is investigated for each design parameters deviating from ideal value and the tuning characteristics are discussed as well.

Citation Download Citation

Xue Li, Juan Zhang, and Sen Guo "Design of interleavers with fiber ring coupled structure based on digital signal processing theory", Proc. SPIE 7986, Passive Components and Fiber-Based Devices VII, 79860Z (19 January 2011); https://doi.org/10.1117/12.888349

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KEYWORDS

Resonators

Linear filtering

Digital signal processing

Fiber couplers

Structured optical fibers

Terahertz radiation

Filtering (signal processing)

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