Silicon waveguide two-photon absorption detector at 1.5 μm wavelength for autocorrelation measurements
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- 5 August 2002
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 81 (7) , 1323-1325
- https://doi.org/10.1063/1.1500430
Abstract
We describe the use of a silicon waveguide for two-photon absorption measurements in an autocorrelator which achieved a peak-power average-power sensitivity of 1 (mW)2 at 1.56 μm wavelength and which was used to measure optical pulses generated by a mode-locked fiber ring laser. The experimental results agreed with a theoretical model of the two-photon-induced photocurrent generation inside the waveguide.Keywords
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