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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 33, Iss. 24 — Dec. 15, 2008
  • pp: 2934–2936

Ultracompact in-line broadband Mach–Zehnder interferometer using a composite leaky hollow-optical-fiber waveguide

Yongmin Jung, Sejin Lee, Byeong Ha Lee, and Kyunghwan Oh  »View Author Affiliations

Optics Letters, Vol. 33, Issue 24, pp. 2934-2936 (2008)

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We report on an ultracompact fiber optic Mach–Zehnder interferometer (MZI) using a novel concatenated structure, single-mode-fiber (SMF)–hollow optical fiber (HOF)-SMF. An optimized air-hole size in the HOF provided two unique optical paths; the leaky waveguide modes through the central air hole and the radiation channel into the silica cladding, which enabled a compact MZI configuration with enhanced optical performances, such as high visibility, high temperature sensitivity, and wide dynamic range.

© 2008 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(230.1150) Optical devices : All-optical devices

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: June 20, 2008
Revised Manuscript: October 31, 2008
Manuscript Accepted: October 31, 2008
Published: December 4, 2008

Yongmin Jung, Sejin Lee, Byeong Ha Lee, and Kyunghwan Oh, "Ultracompact in-line broadband Mach-Zehnder interferometer using a composite leaky hollow-optical-fiber waveguide," Opt. Lett. 33, 2934-2936 (2008)

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