YANG Xiao-ping, WANG Yun-cai, ZHOU Xi-jian. Light pulse compression implemented by dispersioncompensation fiber and dispersionshifted fiber[J]. Journal of Applied Optics, 2006, 27(3): 232-234.
Citation: YANG Xiao-ping, WANG Yun-cai, ZHOU Xi-jian. Light pulse compression implemented by dispersioncompensation fiber and dispersionshifted fiber[J]. Journal of Applied Optics, 2006, 27(3): 232-234.

Light pulse compression implemented by dispersioncompensation fiber and dispersionshifted fiber

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  • According to the nonlinear Schro¨dinger equation on picosecond pulse transmission in optical fiber,the pulse compression at 1553 nm in dispersioncompensation fiber and dispersionshifted fiber were studied with numerical method. Three different dispersion values were simulated and compared. The chirp curves of the pulse before and after dispersioncompensation fiber are given. As a result, the optical pulse from gainswitched distributedfeedback laser diode can be compressed from 45.00 ps to 7.39 ps by dispersioncompensation fibers, and the larger the fiber dispersion value is, the shorter the fiber is needed to achieve the same compression effect. The pulse was further compressed using dispersionshifted fiber from 7.39 ps to 1.23 ps with fiber dispersion value of 6.0 ps/(nm·km). The results indicate that optical pulse can be compressed very efficiently with dispersioncompensation fiber and dispersionshifted fiber in the two consecutive modes.
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