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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 1 — Jan. 1, 2010
  • pp: 85–87

Long-period gratings in wavelength-scale microfibers

Haifeng Xuan, Wei Jin, and Shujing Liu  »View Author Affiliations


Optics Letters, Vol. 35, Issue 1, pp. 85-87 (2010)
http://dx.doi.org/10.1364/OL.35.000085


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Abstract

We report the fabrication of long-period gratings (LPGs) in wavelength-scale microfibers with diameters from 1.5 to 3 μ m . The LPGs were fabricated by use of a femtosecond IR laser to periodically modify the surface of the fibers. These LPGs have grating periods of a few tens of micrometers, much smaller than those in conventional optical fibers. A compact 10-period LPG with a device length of only 150 μ m demonstrated a strong resonant dip of > 20 dB around 1330 nm . These microfiber LPGs would be useful in-fiber components for microfiber-based devices, circuits, and sensors.

© 2009 Optical Society of America

OCIS Codes
(060.2280) Fiber optics and optical communications : Fiber design and fabrication
(060.2310) Fiber optics and optical communications : Fiber optics
(230.3990) Optical devices : Micro-optical devices

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: September 16, 2009
Revised Manuscript: November 27, 2009
Manuscript Accepted: November 30, 2009
Published: December 31, 2009

Citation
Haifeng Xuan, Wei Jin, and Shujing Liu, "Long-period gratings in wavelength-scale microfibers," Opt. Lett. 35, 85-87 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-1-85


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