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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 6 — Mar. 19, 2007
  • pp: 2987–2992

Narrowband, polarization insensitive all-fiber acousto-optic tunable bandpass filter

Kwang Jo Lee, Dong Il Yeom, and Byoung Yoon Kim  »View Author Affiliations

Optics Express, Vol. 15, Issue 6, pp. 2987-2992 (2007)

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We demonstrate an all-fiber acousto-optic tunable bandpass filter exhibiting narrow optical bandwidth and negligible polarization dependence by employing a novel ultraviolet (UV)-induced core-mode blocker written in a high numerical aperture (NA) fiber. It was demonstrated that the device had the measured 3-dB optical bandwidth of 0.65 nm, the polarization-dependent center-wavelength splitting of 0.05 nm and the extinction ratio of -22dB at the wavelength around 1550 nm. The details of the transmission characteristics and the loss mechanism of the core-mode blocking element inscribed in the high NA fiber are discussed.

© 2007 Optical Society of America

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(230.1040) Optical devices : Acousto-optical devices

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: January 26, 2007
Revised Manuscript: March 4, 2007
Manuscript Accepted: March 5, 2007
Published: March 19, 2007

Kwang Jo Lee, Dong-Il Yeom, and Byoung Yoon Kim, "Narrowband, polarization insensitive all-fiber acousto-optic tunable bandpass filter," Opt. Express 15, 2987-2992 (2007)

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