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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 3 — Feb. 1, 2012
  • pp: 353–355

All-fiber polarization interference filters based on 45°-tilted fiber gratings

Zhijun Yan, Chengbo Mou, Hushan Wang, Kaiming Zhou, Yishan Wang, Wei Zhao, and Lin Zhang  »View Author Affiliations


Optics Letters, Vol. 37, Issue 3, pp. 353-355 (2012)
http://dx.doi.org/10.1364/OL.37.000353


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Abstract

We report all-fiber polarization interference filters, known as Lyot and Lyot-Őhman filters, based on alternative concatenation of UV-inscribed fiber gratings with structure tilted at 45° and polarization maintaining (PM) fiber cavities. Such filters generate comb-like transmission of linear polarization output. The free spectral range (FSR) of a single-stage (Lyot) filter is PM fiber cavity length dependent, as a 20 cm long cavity showed a 26.6 nm FSR while the 40 cm one exhibited a 14.8 nm FSR. Furthermore, we have theoretically and experimentally demonstrated all-fiber 2-stage and 3-stage Lyot-Őhman filters, giving more freedom in tailoring the transmission characteristics.

© 2012 Optical Society of America

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(060.2340) Fiber optics and optical communications : Fiber optics components
(350.2460) Other areas of optics : Filters, interference
(230.7408) Optical devices : Wavelength filtering devices

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: November 8, 2011
Revised Manuscript: November 30, 2011
Manuscript Accepted: November 30, 2011
Published: January 20, 2012

Citation
Zhijun Yan, Chengbo Mou, Hushan Wang, Kaiming Zhou, Yishan Wang, Wei Zhao, and Lin Zhang, "All-fiber polarization interference filters based on 45°-tilted fiber gratings," Opt. Lett. 37, 353-355 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-3-353

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