Spectral study of propagation losses of GaAs/AlOx nonlinear waveguides
We therefore focus on GaAs/AlOx form-birefringent waveguides designed for type-I spontaneous parametric down conversion of a TM 00 pump at 1.06 μm into TE 00 signal-idler modes in the 1.2-4.2 μm range. Despite their encouraging 1500% W -1 cm -2 conversion efficiency (i.e. 4.5% parametric amplificati...
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| creator | Savanier, M. Ghiglieno, F. Ducci, S. Favero, I. Leo, G. |
| description | We therefore focus on GaAs/AlOx form-birefringent waveguides designed for type-I spontaneous parametric down conversion of a TM 00 pump at 1.06 μm into TE 00 signal-idler modes in the 1.2-4.2 μm range. Despite their encouraging 1500% W -1 cm -2 conversion efficiency (i.e. 4.5% parametric amplification in 3 mm long samples for 30 mW of pump power), OPO threshold has been hindered so far by the optical losses induced by AlAs oxidation process. |
| doi_str_mv | 10.1109/CLEOE.2011.5942773 |
| format | Conference Proceeding |
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| subjects | Gallium arsenide Optical losses Optical pumping Optical reflection Optical waveguides Oscillators |
| title | Spectral study of propagation losses of GaAs/AlOx nonlinear waveguides |
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