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Tunable Optical Dispersion Compensator Consisting of Simple Optics With Arrayed Waveguide Grating and Flat Mirror

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6 Author(s)
Seno, K. ; NTT Photonics Labs., NTT Corp., Atsugi, Japan ; Ooba, N. ; Suzuki, K. ; Watanabe, T.
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We propose a tunable optical dispersion compensator (TODC) that uses an arrayed waveguide grating (AWG) and a flat mirror. The TODC employs simple and cost-effective optics, and its chromatic dispersion can be changed simply by translating the AWG. We obtained a 3-dB bandwidth of 39 GHz when the dispersion was tuned within 800 ps/nm, and a maximum dispersion of plusmn3000 ps/nm.

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Photonics Technology Letters, IEEE  (Volume:21 ,  Issue: 22 )