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Robust ultrashort light bullets in strongly twisted waveguide arrays
(American Institute of Physics (AIP), 2019-09-27)
Article
Open AccessWe introduce a new class of stable light bullets that form in twisted waveguide arrays pumped with ultrashort pulses, where twisting offers a powerful knob to tune the properties of localized states. We find that, above a ... -
Conformal transformation of Dyakonov surface waves into bound states of cylindrical metamaterials
(American Physical Society (APS), 2019-11-05)
Article
Open AccessWe put forward the use of transformation optics to map surface waves that exist as one-dimensional modes supported by anisotropic structures into bound states in two-dimensional geometries. Specifically, we show the conformal ... -
Knotting fractional-order knots with the polarization state of light
(2019-08-01)
Article
Open AccessThe fundamental polarization singularities of monochromatic light are normally associated with invariance under coordinated rotations: symmetry operations that rotate the spatial dependence of an electromagnetic field by ... -
Temperature-controlled entangled-photon absorption spectroscopy
(American Institute of Physics (AIP), 2019-07-09)
Article
Open AccessEntangled two-photon absorption spectroscopy (TPA) has been widely recognized as a powerful tool for revealing relevant information about the structure of complex molecular systems. However, to date, the experimental ... -
How to automate a kinematic mount using a 3D printed arduino-based system
(2018-06-01)
Article
Open AccessWe demonstrate a simple, flexible and cost-effective system to automatize most of the kinematic mounts available nowadays on the market. It combines 3D-printed components, an Arduino board, stepper motors and simple ... -
Hong-Ou-Mandel interferometry on a biphoton beat note
(2019-05-24)
Article
Open AccessHong-Ou-Mandel interference, the fact that identical photons that arrive simultaneously on different input ports of a beam splitter bunch into a common output port, can be used to measure optical delays between different ... -
Metastability of quantum droplet clusters
(American Institute of Physics (AIP), 2019-05-14)
Article
Open AccessWe show that metastable ring-shaped clusters can be constructed from two-dimensional quantum droplets in systems described by the Gross-Pitaevskii equations augmented with Lee-Huang-Yang quantum corrections. The clusters ... -
Spatial mode detection by frequency upconversion
(2019-02-01)
Article
Open AccessThe efficient creation and detection of spatial modes of light has become topical of late, driven by the need to increase photon bit-rates in classical and quantum communications. Such mode creation/detection is traditionally ... -
Topological properties of bound states in the continuum in geometries with broken anisotropy symmetry
(2018-12-18)
Article
Open AccessWaveguiding structures made of anisotropic media support bound states in the continuum (BICs) that arise when the radiation channel of otherwise semileaky modes is suppressed. Hitherto, only structures with optical axes ... -
Technique for generating periodic structured light beams using birefringent elements
(2018-10-29)
Article
Open AccessWe put forward a simple, scalable and robust technique for generating periodically structured light beams with intensity patterns, e.g. of the form cos2n(kxx) cos2m(kyy), where kx and ky are real numbers that can be tailored ... -
Inhibition of tunneling and edge state control in polariton topological insulators
(2018-12-01)
Article
Open AccessWe address the inhibition of tunneling in polariton condensates confined in a potential landscape created by a honeycomb array of microcavity pillars in the presence of spin- orbit coupling and Zeeman splitting in the ... -
Clusters of cavity solitons bounded by conical radiation
(American Institute of Physics (AIP), 2018-09-06)
Article
Open AccessWe introduce a new class of self-sustained states, which may exist as single solitons or form multisoliton clusters, in driven passive cylindrical microresonators. Remarkably, such states are stabilized by the radiation ...
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