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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 38, Iss. 30 — Oct. 20, 1999
  • pp: 6272–6277

Coupling of a Laser Diode to Single-Mode Fiber with an Upside-Down Tapered Lens End

Samir Kumar Mondal and Somenath Sarkar  »View Author Affiliations


Applied Optics, Vol. 38, Issue 30, pp. 6272-6277 (1999)
http://dx.doi.org/10.1364/AO.38.006272


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Abstract

We present in detail a simple analysis of the coupling efficiency and possible transverse and angular misalignment losses of a laser diode to single-mode, step-index fiber excitation with an upside-down tapered lens (UDTL) end, drawn by molding the end of a step-index fiber. The analysis employs our recently formulated <i>ABCD</i> matrix for an UDTL and has the advantage of simplicity compared with complicated methods involving cumbersome numerical integrations. Both the analysis and the results should be useful in designing coupling optics that use such lenses in the context of probable misalignments.

© 1999 Optical Society of America

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2340) Fiber optics and optical communications : Fiber optics components
(060.2430) Fiber optics and optical communications : Fibers, single-mode
(140.2020) Lasers and laser optics : Diode lasers
(350.3950) Other areas of optics : Micro-optics

Citation
Samir Kumar Mondal and Somenath Sarkar, "Coupling of a Laser Diode to Single-Mode Fiber with an Upside-Down Tapered Lens End," Appl. Opt. 38, 6272-6277 (1999)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-38-30-6272

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