Optimum PCF tapers for blue-enhanced supercontinuum sources
Publication: Research - peer-review › Journal article – Annual report year: 2012
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Optimum PCF tapers for blue-enhanced supercontinuum sources. / Møller, Uffe Visbech (Invited author); Sørensen, Simon Toft (Invited author); Larsen, Casper (Invited author); Moselund, Peter M. (Invited author); Jakobsen, Christian (Invited author); Johansen, Jeppe (Invited author); Thomsen, Carsten L. (Invited author); Bang, Ole (Invited author).
In: Optical Fiber Technology, Vol. 18, No. 5, 2012, p. 304–314.Publication: Research - peer-review › Journal article – Annual report year: 2012
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TY - JOUR
T1 - Optimum PCF tapers for blue-enhanced supercontinuum sources
A1 - Møller,Uffe Visbech
A1 - Sørensen,Simon Toft
A1 - Larsen,Casper
A1 - Moselund,Peter M.
A1 - Jakobsen,Christian
A1 - Johansen,Jeppe
A1 - Thomsen,Carsten L.
A1 - Bang,Ole
AU - Møller,Uffe Visbech
AU - Sørensen,Simon Toft
AU - Larsen,Casper
AU - Moselund,Peter M.
AU - Jakobsen,Christian
AU - Johansen,Jeppe
AU - Thomsen,Carsten L.
AU - Bang,Ole
PB - Academic Press
PY - 2012
Y1 - 2012
N2 - Tapering of photonic crystal fibers has proven to be an effective way of blueshifting the dispersive wavelength edge of a supercontinuum spectrum down in the deep-blue. In this article we will review the state-of-the-art in fiber tapers, and discuss the underlying mechanisms of supercontinuum generation in tapers. We show, by introducing the concept of a group-acceleration mismatch, that for a given taper length, the downtapering section should be as long as possible to enhance the amount of blueshifted light. We also discuss the noise properties of supercontinuum generation in uniform and tapered fibers, and we demonstrate that the intensity noise at the spectral edges of the generated supercontinuum is at a constant level independent on the pump power in both tapered and uniform fibers.
AB - Tapering of photonic crystal fibers has proven to be an effective way of blueshifting the dispersive wavelength edge of a supercontinuum spectrum down in the deep-blue. In this article we will review the state-of-the-art in fiber tapers, and discuss the underlying mechanisms of supercontinuum generation in tapers. We show, by introducing the concept of a group-acceleration mismatch, that for a given taper length, the downtapering section should be as long as possible to enhance the amount of blueshifted light. We also discuss the noise properties of supercontinuum generation in uniform and tapered fibers, and we demonstrate that the intensity noise at the spectral edges of the generated supercontinuum is at a constant level independent on the pump power in both tapered and uniform fibers.
KW - Supercontinuum generation
KW - Photonic crystal fibers
KW - Nonlinear fiber optics
KW - Relative intensity noise
KW - Tapered fibers
KW - Group-acceleration mismatch
U2 - 10.1016/j.yofte.2012.07.010
DO - 10.1016/j.yofte.2012.07.010
JO - Optical Fiber Technology
JF - Optical Fiber Technology
SN - 1068-5200
IS - 5
VL - 18
SP - 304
EP - 314
ER -