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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 12 — Jun. 8, 2009
  • pp: 9933–9939

Tunable gratings in a hollow-core photonic bandgap fiber based on acousto-optic interaction

Dong-Il Yeom, Hyun Chul Park, In Kag Hwang, and Byoung Yoon Kim  »View Author Affiliations

Optics Express, Vol. 17, Issue 12, pp. 9933-9939 (2009)

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We demonstrate a coherent intermodal coupling in a hollow-core photonic bandgap fibers (PBGF) using an acoustic grating. A theoretical study on the properties of acoustic and optical wave propagating the PBGF is performed indicating that the applied frequency higher than 10 MHz is required to obtain the acousto-optic interaction at the wavelength around 1550 nm. Wavelength-tunable coupling from fundamental mode to higher-order core modes is achieved with more than 90% coupling efficiency at the applied frequency of 11.54 MHz. The low dispersive properties and the mode filed distributions of the higher-order guided modes of the air-core PBGF in the experiment show reasonable agreement with the simulation results.

© 2009 OSA

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(060.2310) Fiber optics and optical communications : Fiber optics
(230.1040) Optical devices : Acousto-optical devices
(060.5295) Fiber optics and optical communications : Photonic crystal fibers

ToC Category:
Photonic Crystal Fibers

Original Manuscript: April 15, 2009
Revised Manuscript: May 24, 2009
Manuscript Accepted: May 25, 2009
Published: May 28, 2009

Dong-Il Yeom, Hyun Chul Park, In Kag Hwang, and Byoung Yoon Kim, "Tunable gratings in a hollow-core photonic bandgap fiber based on acousto-optic interaction," Opt. Express 17, 9933-9939 (2009)

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