8 January 2008 All-optical tunable delay line based on wavelength conversion and fiber dispersion
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Abstract
We demonstrate an all-optical continuously tunable delay line based on wavelength conversion in semiconductor optical amplifier (SOA), and group-velocity dispersion (GVD) in dispersion-compensating fiber (DCF). The system operates, near 1550 nm, with a nonreturn-to-zero (NRZ) pattern at 10 Gb/s. The maximal delay up to 2700 ps is observed. The scheme achieves continuous control of a wide range of delays, wide signal bandwidth, nearly no pulse broadening and very little spectral distortion.
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Zhefeng Hu, Junqiang Sun, Lei Liu, Jian Wang, "All-optical tunable delay line based on wavelength conversion and fiber dispersion", Proc. SPIE 6838, Optoelectronic Devices and Integration II, 68380N (8 January 2008); doi: 10.1117/12.758527; https://doi.org/10.1117/12.758527
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