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Second- and third-order dispersion compensator using a high-resolution arrayed-waveguide grating

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7 Author(s)
Tsuda, H. ; NTT Opto-Electron. Labs., Kanagawa, Japan ; Okamoto, K. ; Ishii, T. ; Naganuma, Kazunori
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We have proposed a dispersion compensation scheme that uses a high-resolution arrayed-waveguide grating (AWG). When the diffraction order of the AWG is 59 and the number of waveguides in an arrayed-waveguide is 340, the calculated maximum second- and third-order dispersion compensation range is 18.0 ps/nm and /spl plusmn/6.0 ps/nm/sup 2/, and 1100 ps/nm and /spl plusmn/937.5 ps/nm/sup 2/, for a 1 ps-pulse and a 12.5 ps-pulse, respectively. In experiments, second-order dispersion (-0.8 to +5.2 ps/nm) is effectively compensated for 1,1-ps pulses; and. Pulse compression by third-order dispersion compensation is successfully demonstrated.

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Photonics Technology Letters, IEEE  (Volume:11 ,  Issue: 5 )