Title:
Strong two-photon absorption at telecommunications wavelengths in nickel bis(dithiolene) complexes
Strong two-photon absorption at telecommunications wavelengths in nickel bis(dithiolene) complexes
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Author(s)
Cho, Jian-Yang
Barlow, Stephen
Marder, Seth R.
Fu, Jie
Padilha, Lazaro A.
Van Stryland, Eric W.
Hagan, David J.
Bishop, Maximilienne
Barlow, Stephen
Marder, Seth R.
Fu, Jie
Padilha, Lazaro A.
Van Stryland, Eric W.
Hagan, David J.
Bishop, Maximilienne
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Abstract
The two-photon absorption spectrum of a nickel bis(dithiolene) complex with extended conjugation and π-donor substitution is measured by using Z-scan and pump–probe techniques with femtosecond pulses over the spectral range from 1.20to1.58 μm , which includes much of the telecommunications range. The peak two-photon cross section of over 5000 GM (1 GM=10 −50 cm ⁴ sphoton ⁻¹ molecule ⁻¹ ) occurs at ∼1.24 μm , with significant two-photon absorption (>440 GM) throughout the spectral range examined.
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2007-03
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Text
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Article