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Journal of the Optical Society of Korea

Journal of the Optical Society of Korea


  • Vol. 7, Iss. 2 — Jun. 25, 2003
  • pp: 89–96

Control of Free Spectral Range of tong Period Fiber Grating by Cladding Mode Waveguide Dispersion

H. Jeong and K. Oh  »View Author Affiliations

Journal of the Optical Society of Korea, Vol. 7, Issue 2, pp. 89-96 (2003)

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A new method to control the free spectral range of a long period fiber grating is proposed and theoretically analyzed. As the refractive index decreases radially outward in the silica cladding due to graded doping of fluorine, waveguide dispersion in the cladding modes was modified to result in the effective indices change and subsequently the phase matching conditions for coupling with the core mode in a long period fiber grating. Enlargement of the free spectral range in a long period fiber grating was theoretically confirmed.

© 2003 Optical Society of Korea

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(060.2340) Fiber optics and optical communications : Fiber optics components
(230.0230) Optical devices : Optical devices

Original Manuscript: April 8, 2003
Published: June 1, 2003

H. Jeong and K. Oh, "Control of Free Spectral Range of tong Period Fiber Grating by Cladding Mode Waveguide Dispersion," J. Opt. Soc. Korea 7, 89-96 (2003)

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