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All-optical signal gating using ytterbium-doped fiber and a pair of thermally expanded core fibers

Appl. Phys. Lett. 95, 161111 (2009); doi:10.1063/1.3233971

Published 23 October 2009

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Linh Viet Nguyen and Youngjoo Chung
Department of Information and Communications, Gwangju Institute of Science and Technology, 261 Cheomdam-gwagiro (Oryong-dong), Buk-gu, Gwangju 500-712, Republic of Korea
We report all-optical signal gating using ytterbium-doped fiber (YDF) and a pair of thermally expanded core fibers (TECFs). Splicing the YDF with two TECFs at their expanded-core ends, we obtained an interference pattern in the transmission spectrum of the device. When pumped by a laser diode at 980 nm, the interference fringes shift to longer wavelength due mainly to the resonantly enhanced nonlinearity of the YDF. Consequently, signals within the interference pattern can be gated or blocked all optically. Full gating of cw signals at 1564.21 and 1564.54 nm were obtained using a pump power of about 38.44 mW. ©2009 American Institute of Physics
History: Received 4 May 2009; accepted 30 August 2009; published 23 October 2009
Permalink: http://link.aip.org/link/?APPLAB/95/161111/1
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KEYWORDS and PACS

Keywords
PACS
  • 42.82.Gw
    Other integrated-optical elements and systems
  • 42.81.Bm
    Optical fiber fabrication, cladding, and splicing
  • 42.82.Cr
    Optical fabrication techniques; lithography, pattern transfer (integrated optics)
  • YEAR: 2009

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PUBLICATION DATA

ISSN:
0003-6951 (print)   1077-3118 (online)
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