منابع مشابه
Transmission, Reflection, and Second-Harmonic Generation in a Nonlinear Waveguide
We present an experimental, analytical and numerical investigation of the passage of electromagnetic signals through a device with voltage-dependent differential capacitance. This dependence gives rise to the device’s nonlinear response, which can then be tuned by an externally applied static electric field. The system is modeled with a wave equation for the current and the charge density with ...
متن کاملSecond-harmonic generation in a metal-clad nonlinear optical waveguide.
Efficient optical nonlinear effects in waveguides play an important role in integrated photonic functionalities. The dispersion characteristics need to be well designed to satisfy the phase-matching condition of the interacting waves in waveguides. Here we demonstrate a novel phase-matching process of second-harmonic generation (SHG) in a symmetrical metal-cladding optical waveguide (SMCOW) wit...
متن کاملEfficient Second Harmonic Generation in Matched Ti:PPLN Waveguide Resonators
Second harmonic generation in Ti:PPLN waveguide resonators is investigated as a means of enhancing the conversion efficiency. Using a matched resonator of 65 mm length a record conversion efficiency of 10.3 %/mW is achieved with 0.5 mW fundamental power at λf = 1531 nm. Introduction Second harmonic generation (SHG) in waveguide resonators has been investigated in detail many years ago [1,2]; at...
متن کاملEnhanced second-harmonic generation by means of high-power confinement in a photovoltaic soliton-induced waveguide.
We present the first experimental demonstration of enhanced second-harmonic generation (SHG) by means of power confinement with a femtosecond laser in a photovoltaic soliton-induced waveguide. A dark spatial soliton created with a weak cw laser beam in a photovoltaic lithium niobate crystal induces an efficient waveguide for SHG, leading to a 60% enhancement of the conversion efficiency.
متن کاملAmplitude squeezing by means of quasi-phase-matched second-harmonic generation in a lithium niobate waveguide.
We demonstrate that traveling-wave second-harmonic generation produces amplitude-squeezed light at both the fundamental and the harmonic frequencies. Quasi-phase-matched second-harmonic conversion efficiencies approaching 60% were obtained in a 26-mm-long single-mode LiNbO(3) waveguide with pulses from a mode-locked laser at 1.53 microm. The amplitude noise of the transmitted fundamental field ...
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ژورنال
عنوان ژورنال: The Review of Laser Engineering
سال: 1991
ISSN: 0387-0200,1349-6603
DOI: 10.2184/lsj.19.4_403