Interband optical investigation of Bloch oscillations in semiconductor superlattices TOPICAL REVIEW
... a static field is applied is drift transport as first considered in detail by Drude [1]: carriers move ballistically until they change their momentum by a scattering process. The drift velocity of the carriers is determined by a balance between the momentum and energy gain from the field during ball ...
... a static field is applied is drift transport as first considered in detail by Drude [1]: carriers move ballistically until they change their momentum by a scattering process. The drift velocity of the carriers is determined by a balance between the momentum and energy gain from the field during ball ...
Laser cooling of two trapped ions: Sideband cooling beyond the
... required such a high trap frequency that the distance between the ions does not allow their individual addressing with a laser. For this purpose, and also for an extension beyond two ions, linear ion traps @12,13# are the most suitable systems, and for their physical parameters laser cooling to the ...
... required such a high trap frequency that the distance between the ions does not allow their individual addressing with a laser. For this purpose, and also for an extension beyond two ions, linear ion traps @12,13# are the most suitable systems, and for their physical parameters laser cooling to the ...
Transparent mirrors: rays, waves and localization
... exponent exactly by the random phase approximation (Anderson et al 1980); this point was made earlier (Baluni and Willemsen 1985) in the equivalent context of acoustic transmission in a layered medium. Here we explain how the exact result can also be obtained from a general (and usually approximate) ...
... exponent exactly by the random phase approximation (Anderson et al 1980); this point was made earlier (Baluni and Willemsen 1985) in the equivalent context of acoustic transmission in a layered medium. Here we explain how the exact result can also be obtained from a general (and usually approximate) ...
Coulomb effect in multiphoton ionization of rare
... Abstract. Using 200 fs, 800 nm Ti:sapphire laser pulses to ionize noble atom gases, the ion versus intensity curves of these gases were obtained. By comparing the experimental curves with those obtained using different theoretical ionization rates, it was found that the inclusion of the effects on t ...
... Abstract. Using 200 fs, 800 nm Ti:sapphire laser pulses to ionize noble atom gases, the ion versus intensity curves of these gases were obtained. By comparing the experimental curves with those obtained using different theoretical ionization rates, it was found that the inclusion of the effects on t ...
the importance of electron transfer mechanism in
... low-lying electronic states that results from the near degeneracy of 4s and 3d orbitals. This situation provides unique opportunity to study roles of electronic energies and configuration on reactivities. Very recently, the electronic state selective reaction rates have been determined for ground an ...
... low-lying electronic states that results from the near degeneracy of 4s and 3d orbitals. This situation provides unique opportunity to study roles of electronic energies and configuration on reactivities. Very recently, the electronic state selective reaction rates have been determined for ground an ...
Interference of light Ordinary illumination Interference fringes
... By measuring the distance between neighbouring fringes, the wavelength of light can be deduced, even though it is very small Even with white light, a few coloured fringes can be seen around the central white fringe, before the colours wash out By putting a wedge of material across S1 the path ...
... By measuring the distance between neighbouring fringes, the wavelength of light can be deduced, even though it is very small Even with white light, a few coloured fringes can be seen around the central white fringe, before the colours wash out By putting a wedge of material across S1 the path ...
Reports for the two projects on Bisosensors have been combined
... scientific and application prospects, such as the detection and identification of biological and chemical substances [1]. Biomolecules such as DNA strands can be identified by monitoring their binding state to known probe molecules. As the binding state significantly modifies the refractive index of ...
... scientific and application prospects, such as the detection and identification of biological and chemical substances [1]. Biomolecules such as DNA strands can be identified by monitoring their binding state to known probe molecules. As the binding state significantly modifies the refractive index of ...
Rayleigh Noise Mitigated 70-km-Reach Bi-directional WDM-PON with 10-Gb/s Directly Modulated Manchester-
... reduces the bandwidth transport costs [2]. Therefore, it is desirable to develop CLS long-reach bi-directional WDMPON with cost-effective components. In such single-fiber full-duplex wavelength-reused transmission system, a critical issue that needs to be addressed is how to mitigate the impairments ...
... reduces the bandwidth transport costs [2]. Therefore, it is desirable to develop CLS long-reach bi-directional WDMPON with cost-effective components. In such single-fiber full-duplex wavelength-reused transmission system, a critical issue that needs to be addressed is how to mitigate the impairments ...
Blooming Thermal- Laboratory Experiments Bernadette Johnson
... Clearly this situation is unstable-the intensity in these regions, as well as the phase corrections, will continue to grow until they are limited by the hardware or by some other saturation mechanism. In this discussion, we have ignored the effects ofwind (natural and slew-induced) as well as any te ...
... Clearly this situation is unstable-the intensity in these regions, as well as the phase corrections, will continue to grow until they are limited by the hardware or by some other saturation mechanism. In this discussion, we have ignored the effects ofwind (natural and slew-induced) as well as any te ...
... describes the phase delay of the wave introduced by the screen. We shall examine the influence of the diffusion screen on the spatial coherence of the transmitted optical field. At first we consider the case when the diffusion screen is a static one, i.e. when its complex amplitude transmittance T ( ...
- Europhysics News
... in which the integration extends over the two-dimensional surface of the screen with coordinates ~ = (X, Y,L) where L is the distance from the source (pinhole) to the center of the screen (CCD chip); andf(~) is the contrast image (hologram) on the screen obtained by subtracting the images with and w ...
... in which the integration extends over the two-dimensional surface of the screen with coordinates ~ = (X, Y,L) where L is the distance from the source (pinhole) to the center of the screen (CCD chip); andf(~) is the contrast image (hologram) on the screen obtained by subtracting the images with and w ...
High speed hybrid silicon evanescent Mach
... waveguides. For such a structure with carriers inside the MQW, the plasma effect dominates at lower reverse bias levels while Pockels, Kerr, and quantum confined Stark effects (QCSE) become more obvious with larger electrical fields. The combination of these effects results in better linearity than ...
... waveguides. For such a structure with carriers inside the MQW, the plasma effect dominates at lower reverse bias levels while Pockels, Kerr, and quantum confined Stark effects (QCSE) become more obvious with larger electrical fields. The combination of these effects results in better linearity than ...
Deliverable 9: Blueprints of ICT relevant demonstrators As pointed
... As pointed out in the original PHOME proposal, using chiral metamaterials can be used as thin-film optical isolators. In addition, we have proposed to use photonic metamaterials that can be used as tunable switches at THz frequencies, and finally we have proposed to use photonic metamaterials for el ...
... As pointed out in the original PHOME proposal, using chiral metamaterials can be used as thin-film optical isolators. In addition, we have proposed to use photonic metamaterials that can be used as tunable switches at THz frequencies, and finally we have proposed to use photonic metamaterials for el ...