four-wave-mixing experiments
Photodarkening effect and the optical nonlinearity in a quantum confined, semiconductor doped glass
... We have carried out room-temperature- transmission and four-wave-mixing experiments to examine the influence of the photodarkening effect on the nonlinear response of one quantum-confine[r] ...
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Stochastic field induced nonlocal resonances in four wave mixing
... the four-wave-mixing signal originates from a two-point correlation product be- tween atomic coherences at different spatial ...of four-wave mixing becomes in- adequate in this ...
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Four-wave mixing with self-phase matching due to collective atomic recoil
... The cold atomic sample is assumed to be composed of atoms with a four-level internal structure. The analysis which follows is not dependant on the specific form of this structure. The particular form we consider ...
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FOUR-WAVE-MIXING BASED WAVELENGTH CONVERSION USING DIFFERENT TYPES OF FIBERS
... Several experiments in the past have shown that the deployment of high-bit-rate multiwavelength systems together with optical amplifiers creates major nonlinear effects such as stimulated raman scattering (SRS), ...
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Phase matched gratings for enhanced forward degenerate four wave mixing
... degenerate four- wave mixing has been proposed and demonstrated for the first time to the authors’ ...knowledge. Experiments have been performed with a cw Ar:Kr laser at l 488 nm, with a ...
9
Trans-spectral orbital angular momentum transfer via four-wave mixing in Rb vapor
... We recently demonstrated the highly efficient genera- tion of up to 1.1 mW of coherent 420 nm blue ( B ) light by enhanced frequency up conversion in Rb vapor [14], while similar experiments have been performed by ...
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RGB generation by four wave mixing in small core holey fibers
... Five different holey fibers (labeled A to E in the following) of 1 m length each have been used for our experiments, a typical SEM image is shown in Fig. 2. All of them were photonic bandgap fibers initially ...
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Dynamics of excitons in individual InAs quantum dots revealed in four wave mixing spectroscopy
... polarization-resolved four-wave mixing (FWM) ...the experiments are more challenging because of the weak signal ...to four orders of magnitude with respect to QDs in bulk ...
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A simple nonlinear coefficient measurement of HNLF and ZrEDF by using four wave mixing technique
... 1991), (Mechels 1997), (Chen, 2003). There are several reports on scanning FWM experiments can be used to measure ZDW, CD, and the nonlinear refractive index both individually (Marcuse, et al. 1991), (Mazzali et ...
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Spiral bandwidth of four-wave mixing in Rb vapour
... When the 420 nm light is observed in a range of modes, due to OAM conservation, the 5.2 μm field can no longer be solely generated in the LG 0 0 mode. The radius of an LG mode increases with p ffiffi ‘ so as ‘ 776 increases ...
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Four Wave Mixing Signals Generation at 25 dBm High Power EDFA
... Fig. 1 shows the experimental setup for FWM signals in FMF. Light sources were from two different tunable laser source (TLS) system. This experiment was set up at wavelengths of 1550 nm and 1551 nm. The output optical ...
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A simple nonlinear coefficient measurement of HNLF and ZrEDF by using four wave mixing technique
... An efficient system for characterization of nonlinear coefficient parameter in a highly nonlinear fiber (HNLF) and Zirconia- Erbium co-doped Fiber (ZrEDF) are demonstrated by using four wave mixing ...
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Four-Wave Mixing Suppression Method Based on Odd-Even Channels Arrangement Strategy
... Abstract—In this work, a new technique in suppressing the effect of four-wave mixing (FWM) by Odd- Even Channels Arrangement (OEC) is presented. The proposed technique is verified mathematically and by ...
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Transmission Window Partition Mechanism in a Four-Wave Mixing Based WDM/DWDM Network
... efficient four-wave mixing (FWM) based routing and wavelength assignment (RWA) scheme for the improvement of connection blocking probability in WDM/DWDM ...
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Degeneration of Four Wave Mixing in 500 m Step Index Two Mode Fiber
... light wave to demonstrate the input power characterization of high power erbium doped fiber ...light wave started from the light source into an isolator. A light wave with a 1551 nm wavelength was ...
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Four wave mixing nonlinearity effect in wavelength division multiplexing radio over fiber system
... (XPM), four wave mixing (FWM), stimulated raman scattering (SRS), and stimulated brillouin scattering effects (SBS) are weak at low powers, but can become much stronger when light reaches high ...
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Complex quantum state generation and coherent control based on integrated frequency combs
... Thanks to cavity field enhancement, micro-cavity-based sources can deliver high photon generation rates at low excitation powers – when compared to plain-waveguide sources [30]. As well, the small cavity footprint ...
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ANALYSIS OF FWM POWER AND EFFICIENCY IN DWDM SYSTEMS BASED ON CHROMATIC DISPERSION AND CHANNEL SPACING
... Four Wave Mixing (FWM) is an important nonlinear effect in optical fibers, that is why it is very important to study FWM and its effects in optical fibers and minimize these effects to improve the ...
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Reduction of Four Wave Mixing Effect in Hybrid Optical CDMA/WDMA System-A Simulation Study
... A fiber Bragg grating is a short length of optical fiber that reflects particular wavelengths of light and transmits all others. This is achieved by periodically spaced zones in the fiber core are altered to have ...
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All optical logic circuits based on the polarization properties of non degenerate four wave mixing
... This thesis investigates a new class of all-optical logic circuits that are based on the polarization properties of non-degenerate Four-Wave Mixing. Such circuits would be used in conjunction with a ...
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