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Article
Open AccessGeneral theory and observation of Cherenkov radiation induced by multimode solitons
Advancements in computational capabilities along with the possibility of accessing high power levels have stimulated a reconsideration of multimode fibers. Multimode fibers are nowadays intensely pursued in te...
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Article
Erratum: Recent advances in fibre lasers for nonlinear microscopy
Nature Photon. 7, 875–882 (2013); published online 20 October 2013; corrected after print 28 October 2013. In the version of this Review Article originally published online and in print, no competing financial...
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Article
Recent advances in fibre lasers for nonlinear microscopy
Nonlinear microscopy techniques developed over the past two decades have provided dramatic new capabilities for biological imaging. The initial demonstrations of nonlinear microscopies coincided with the devel...
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Article
Optical solitons in graded-index multimode fibres
Solitons are non-dispersing localized waves that occur in diverse physical settings, including liquids, optical fibres, plasmas and condensed matter. They attract interest owing to their particle-like nature a...
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Article
Electrogenerated chemiluminescence from carbon dots
We report an interesting property of carbon dots: they emit light under charge injection. We synthesized carbon dots in diameter about 20 nm using wet chemistry methods. The photoluminescence quantum efficienc...
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Article
Chirped-pulse amplification near the gain-narrowing limit of Yb-doped fiber using a reflection grism compressor
We report a numerical and experimental study of chirped-pulse amplification of femtosecond pulses near the gain narrowing limit of Yb-doped fiber. We show that a strongly inhomogeneous lineshape provides a goo...
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Chapter and Conference Paper
Femtosecond nonlinear polarization evolution from cascade quadratic processes
We experimentally demonstrate strong amplitude modulation of 100 fs pulses with nonlinear polarization evolution based on type-I second-harmonic generation. Applications of this process to mode-locking of bulk...
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Chapter and Conference Paper
Time-Domain Observation of Nuclear Vibrational Motion in Glasses
Coherent nuclear motion is observed in femtosecond measurements of the nonlinear response of glasses, and the electronic and nuclear contributions to the response are determined.