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Tunable add/drop filter for CWDM system using cladding mode coupling assisted by long-period fiber gratings

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4 Author(s)
Myoung Jin Kim ; Dept. of Inf. & Commun., Gwangju Inst. of Sci. & Technol., South Korea ; Chan, F.Y.M. ; Un-chul Paek ; Byeong Ha Lee

We propose a tunable fiber add/drop filter suitable for coarse wavelength division multiplexing (CWDM) systems. The light coupling between two fibers was performed through the cladding modes assisted by two identical long-period fiber gratings (LPGs). Experimentally, 75% net coupling efficiency was achieved and the side lobes were suppressed by -24 dB.

Published in:

Optical Fiber Communication Conference, 2006 and the 2006 National Fiber Optic Engineers Conference. OFC 2006

Date of Conference:

5-10 March 2006