Reflectivity and Bandwidth Modulation of Fiber Bragg Gratings in a Suspended Core Fiber by Tunable Acoustic Waves

R.E. Silva, M. Becker, A. Hartung, M. Rothhardt, A.A.P. Pohl, H. Bartelt

Research output: Contribution to journalArticlepeer-review

Abstract

The acousto-optic modulation of fiber Bragg gratings in a four-hole suspended core fiber is experimentally demonstrated. Strong modulations with a reflectivity amplitude decrease by up to 67% and a 57% bandwidth increase in the Bragg resonance are obtained for gratings of 0.26- and 1-nm 3-dB bandwidths, respectively. The reduction of the required acoustic power for achieving the acousto-optic modulation compared to conventional solid-core single-mode fibers points to more efficient modulator devices in suspended core fibers.
Original languageEnglish
Article number7100608
JournalIEEE Photonics Journal
Volume6
Issue number6
DOIs
Publication statusPublished - 1 Dec 2014

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