Artículos de revistas
Second Harmonic Generation And Enhancement In Microfibers And Loop Resonators
Registro en:
Applied Physics Letters. , v. 102, n. 20, p. - , 2013.
36951
10.1063/1.4807767
2-s2.0-84878374044
Autor
Gouveia M.A.
Lee T.
Ismaeel R.
Ding M.
Broderick N.G.R.
Cordeiro C.M.B.
Brambilla G.
Institución
Resumen
We model and experimentally investigate second harmonic generation in silica microfibers and loop resonators, in which the second order nonlinearity arises from the glass-air surface dipole and bulk multipole contributions. In the loop resonator, the recirculation of the pump light on resonance is used to increase the conversion. The effect of the loop parameters, such as coupling and loss, is theoretically studied to determine their influence on the resonance enhancement. Experimentally, microfibers were fabricated with diameters around 0.7 μm to generate the intermodally phase matched second harmonic with an efficiency up to 4.2 × 10-8 when pumped with 5 ns 1.55 μm pulses with a peak power of 90 W. After reconfiguring the microfiber into a 1 mm diameter loop, the efficiency was resonantly enhanced by 5.7 times. © 2013 AIP Publishing LLC. 102 20
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