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Optics Letters

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  • Vol. 21, Iss. 13 — Jul. 1, 1996
  • pp: 925–927

Phase of second-harmonic light self-generated in a glass fiber

Patrick Lambelet and Jack Feinberg  »View Author Affiliations


Optics Letters, Vol. 21, Issue 13, pp. 925-927 (1996)
http://dx.doi.org/10.1364/OL.21.000925


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Abstract

Focusing an intense laser beam and its second harmonic into a glass fiber transforms the fiber into a frequency doubler. We measure the temporal evolution of both the amplitude and the phase of the second-harmonic light produced by a germanium-doped fiber and so determine the initial phase of the second-harmonic light to be Δθ = −71° ± 3°. We demonstrate that the fiber-produced green light can exceed the seeding green light even if these two beams are 90° out of phase. We also show that cross-phase modulation in the fiber can limit the maximum useful interaction length and consequently the ultimate efficiency of second-harmonic generation in fibers.

© 1996 Optical Society of America

History
Original Manuscript: January 1, 1996
Published: July 1, 1996

Citation
Patrick Lambelet and Jack Feinberg, "Phase of second-harmonic light self-generated in a glass fiber," Opt. Lett. 21, 925-927 (1996)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-21-13-925


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