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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 37, Iss. 11 — Jun. 1, 2012
  • pp: 2115–2117

Optical fiber modulator derivates from hollow optical fiber with suspended core

Xinghua Yang, Yanxin Liu, Fengjun Tian, Libo Yuan, Zhihai Liu, Shenzi Luo, and Enming Zhao  »View Author Affiliations

Optics Letters, Vol. 37, Issue 11, pp. 2115-2117 (2012)

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A fiber optic integrated modulation-depth-tunable modulator based on a type of hollow optical fiber with suspended core is proposed and investigated. We synthesized magnetic fluid containing superparamagnetic Fe3O4 nanoparticles and encapsulated it in the hollow optical fiber as the cladding layer of the suspended core by fusing the hollow optical fiber with the multimode optical fibers. The light with a wavelength of 632.8 nm is coupled in and out of the modulating element by a tapering technique. Experimental results show that the light attenuation in the system can be greatly influenced by only 2.0×102μL of the magnetic fluid under different magnetic field strengths. The saturated modulation depth is 43% when the magnetic field strength is 489 Oe. The response time of the system is <120ms. Significantly, this work presents information for the development of all-fiber modulators, including other integrated electro-optic devices, such as optical switch, optical fiber filter, and magnetic sensors utilizing the special structure of this hollow optical fiber with suspended core and superparamagnetic magnetic fluid.

© 2012 Optical Society of America

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(250.4110) Optoelectronics : Modulators

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: February 6, 2012
Revised Manuscript: February 28, 2012
Manuscript Accepted: February 29, 2012
Published: June 1, 2012

Xinghua Yang, Yanxin Liu, Fengjun Tian, Libo Yuan, Zhihai Liu, Shenzi Luo, and Enming Zhao, "Optical fiber modulator derivates from hollow optical fiber with suspended core," Opt. Lett. 37, 2115-2117 (2012)

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