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Tunable dispersion compensator based on distributed Gires-Tournois etalons

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10 Author(s)
Xuewen Shu ; Indigo Photonics Ltd., Birmingham, UK ; Sugden, K. ; Rhead, P. ; Mitchell, J.
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We report a novel tunable dispersion compensator (TDC) based on all-fiber distributed Gires-Tournois etalons (DGTE), which is formed by overlapped chirped fiber gratings. Two DGTEs of opposite dispersion slope work together to generate a tunable periodical dispersion profile. The demonstrated TDCs have the advantages of multichannel operation, extremely low group-delay ripple, low loss, and low cost.

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Photonics Technology Letters, IEEE  (Volume:15 ,  Issue: 8 )