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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 9 — May. 1, 2013
  • pp: 1385–1387

Ultrahigh birefringence index-guiding photonic crystal fiber and its application for pressure and temperature discrimination

Zhengyong Liu, Chuang Wu, Ming-Leung Vincent Tse, Chao Lu, and Hwa-Yaw Tam  »View Author Affiliations


Optics Letters, Vol. 38, Issue 9, pp. 1385-1387 (2013)
http://dx.doi.org/10.1364/OL.38.001385


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Abstract

In this Letter, we reported on an ultrahigh birefringence photonic crystal fiber (PCF) with a germanium-doped elliptical core, which is fabricated in our lab using the stack-and-draw method. An ultrahigh birefringence of 1.1×10−2 is obtained experimentally, which is close to the theoretical value of 1.4×10−2 at the wavelength of 1550 nm. To our knowledge, this is the highest birefringence reported to date for fabricated index-guiding PCF. Fiber Bragg gratings (FBG) were written in the fiber to confirm its ultrahigh birefringence, and we demonstrated the capability to simultaneously measure the FBG’s pressure and temperature experimentally. Because of the large separation of the two FBG peaks (>12  nm), such fiber is a promising candidate for a single polarization device.

© 2013 Optical Society of America

OCIS Codes
(060.2280) Fiber optics and optical communications : Fiber design and fabrication
(060.2420) Fiber optics and optical communications : Fibers, polarization-maintaining
(060.5295) Fiber optics and optical communications : Photonic crystal fibers
(280.5475) Remote sensing and sensors : Pressure measurement

ToC Category:
Remote Sensing and Sensors

History
Original Manuscript: February 8, 2013
Revised Manuscript: March 24, 2013
Manuscript Accepted: March 24, 2013
Published: April 19, 2013

Citation
Zhengyong Liu, Chuang Wu, Ming-Leung Vincent Tse, Chao Lu, and Hwa-Yaw Tam, "Ultrahigh birefringence index-guiding photonic crystal fiber and its application for pressure and temperature discrimination," Opt. Lett. 38, 1385-1387 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-9-1385

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