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We have numerically characterized localized surface plasmons (LSPs) of triangular and cubic Ag particles on a substrate using the so-called finite-difference time-domain (FDTD) method. Especially, we have evaluated the effect of roundness around the prism corners on the characteristics of LSPs and, in addition to that, have focused onto a change in the characteristics of LSPs caused by an interaction...
Nonreciprocal optical bistability is numerically investigated in InGaAsP/InP nonlinear waveguide Bragg gratings having a strong and asymmetric sidewall modulation. Minimum switching power as low as 77 mW is predicted by choosing optimal switching conditions.
We report an optical parametric oscillator/power amplifier using periodically poled MgO:LiNbO3 with 38 mm length and 5times5 mm2 large aperture. We achieved output energy of 52 mJ with spectral bandwidth of <2 nm at degeneracy point (2.128 mum).
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