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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 23, Iss. 1 — Jan. 1, 1998
  • pp: 52–54

Single-mode excitation of multimode fibers with ultrashort pulses

Martin E. Fermann  »View Author Affiliations


Optics Letters, Vol. 23, Issue 1, pp. 52-54 (1998)
http://dx.doi.org/10.1364/OL.23.000052


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Abstract

Single-mode excitation of step-index multimode fibers with light sources with short temporal coherence lengths is demonstrated. Multimode fiber designs with reduced microbending-induced mode coupling are described that allow the propagation of the fundamental mode over long lengths with negligible mode coupling even in the presence of tight fiber bends. At a wavelength of 1.56µm a fiber with a core diameter of 45µm can preserve the fundamental mode for a propagation length of ~20m . Such fibers allow coiling with a coil diameter as small as 7cm.

© 1998 Optical Society of America

OCIS Codes
(060.2430) Fiber optics and optical communications : Fibers, single-mode
(320.5550) Ultrafast optics : Pulses

Citation
Martin E. Fermann, "Single-mode excitation of multimode fibers with ultrashort pulses," Opt. Lett. 23, 52-54 (1998)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-23-1-52

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