نتایج جستجو برای: self phase modulation
تعداد نتایج: 1233434 فیلتر نتایج به سال:
An improved method combining multiple reflections with the phase-modulation technique (MR-PM) is proposed to construct a self-mixing interferometer high accuracy. The phase modulation performed by using an electro-optic modulator that placed in external cavity. To broaden harmonic components spectrum of signal, multiple-reflection employed. By extracting orthogonal signals from spectrum, demodu...
We propose the use of spectral phase conjugation to compensate for dispersion of all orders, self-phase modulation, and self-steepening of an optical pulse in a fiber. Although this method cannot compensate for loss and intrapulse Raman scattering, it is superior to the previously suggested midway temporal phase conjugation method if high-order dispersion is a main source of distortion. The res...
For the first time to our knowledge, the phase-to-phase and phase-to-amplitude transfer functions of a nondegenerate-idler phase-sensitive fiber optic parametric amplifier are experimentally measured. Additionally, analytically and numerically obtained transfer curves show excellent agreement with the experimental curves. The experimental results were obtained by imposing a linear phase modulat...
Background and Objectives: Since intra-paragigantocellularis lateralis (LPGi) injection of 17β-estradiol induces strong analgesia in male rats which might be mediated via estrogen receptors, this study investigated the role of estrogen receptors of LPGi nucleus in the modulation of formalin-induced pain (while being stimulated by 17β-estradiol) during estrus phase in female rats. Materials and...
introduction: 17β-estradiol modulates nociception by binding to estrogenic receptors and also by allosteric interaction with other membrane-bound receptors like glutamate and gabaa receptors. beside its autonomic functions, paragigantocellularis lateralis (lpgi) nucleus is also involved in pain modulation. the aim of the current study was to investigate the role of the intracellular estrogenic ...
We study self-excited oscillations (SEOs) in an on-fiber optomechanical cavity. While the phase of SEOs randomly diffuses in time when the laser power injected into the cavity is kept constant, phase locking may occur when the laser power is periodically modulated in time. We investigate the dependence of phase locking on the amplitude and frequency of the laser-power modulation. We find that p...
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