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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 42, Iss. 31 — Nov. 1, 2003
  • pp: 6261–6266

All-fiber spot-size transformer for efficient free-space optical interconnecting devices

Kyung-Rok Kim and Kyunghwan Oh  »View Author Affiliations


Applied Optics, Vol. 42, Issue 31, pp. 6261-6266 (2003)
http://dx.doi.org/10.1364/AO.42.006261


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Abstract

A new concatenated configuration of optical fibers is proposed to improve misalignment tolerance and working distance in a free-space optical interconnection. The structure is composed of three segments: a thermally expanded core fiber, a coreless silica fiber, and a claddingless graded-index fiber. A numerical analysis for the design of each fiber segment is performed completely, and the device characteristics are experimentally evaluated in terms of the tolerances for a 1-dB coupling-loss increment against longitudinal, transverse, and angular misalignments.

© 2003 Optical Society of America

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2310) Fiber optics and optical communications : Fiber optics
(060.2340) Fiber optics and optical communications : Fiber optics components
(350.3950) Other areas of optics : Micro-optics

History
Original Manuscript: March 6, 2003
Published: November 1, 2003

Citation
Kyung-Rok Kim and Kyunghwan Oh, "All-fiber spot-size transformer for efficient free-space optical interconnecting devices," Appl. Opt. 42, 6261-6266 (2003)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-42-31-6261

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