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Compact colorless tunable dispersion compensator with 1000-ps/nm tuning range for 40-gb/s data rates

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7 Author(s)
D. M. Marom ; Lucent Technol. Bell Labs., Holmdel, NJ, USA ; C. R. Doerr ; M. A. Cappuzzo ; Evans Yifan Chen
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A novel tunable dispersion compensator (TDC) with ±500-ps/nm tuning range and bandwidth support for 40-Gb/s signals is described. The TDC is constructed from a waveguide grating router (WGR) that provides very high spatial dispersion and a deformable cylindrical mirror for applying quadratic spatial phase across the dispersed wavefront. The WGR's 100-GHz free-spectral range (FSR) allows the device to simultaneously apply the same dispersion to all wavelength-division multiplexing (WDM) channels.

Published in:

Journal of Lightwave Technology  (Volume:24 ,  Issue: 1 )