Dispersion Compensation of 180-km 10-Gb/s Transmission System Using Chirped Fiber Grating |
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| Authors: | SUN Chengcheng CAO Jing LI Chunyun |
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| Affiliation: | Department of Electronic Engineering, Tsinghua University, Beijing 100084, China;Department of Electronic Engineering, Tsinghua University, Beijing 100084, China;Department of Electronic Engineering, Tsinghua University, Beijing 100084, China |
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| Abstract: | Many methods have been suggested to reduce dispersion in optical fiber communication. Among these methods, chirped fiber grating (CFG) is a promising scheme. This paper describes a linearly chirped fiber grating with 95% reflectivity and 0.3 nm bandwidth written using a double exposure method with a uniform phase mask. The CFG resonant wavelength is 1554.5 nm and dispersion is 1700 ps/nm. Dispersion compensation in a 10-Gb/s optical transmission system has been demonstrated using this chirped fiber grating. The power penalty induced by the dispersion compensation after 180-km transmission is 1 dB. This is the first report describing dispersion compensation of 180 km at 10-Gb/s optical transmission now-return to zero (NRZ) system in China. |
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| Keywords: | chirped fiber grating dispersion compensation double exposure |
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