Neuromorphic Photonics: Neuromorphic Functions of Light in Parity‐Time‐Symmetric Systems (Adv. Sci. 15/2019)
Sign Up to like & getrecommendations! Published in 2019 at "Advanced Science"
DOI: 10.1002/advs.201970092
Abstract: To achieve ultrafast neuromorphic signal processing, the realization of photonic equivalents to neuronal functions has been challenged. In article number 1900771, Namkyoo Park and co‐workers present a neuromorphic photonic system ruled by parity‐time symmetry as… read more here.
Keywords: photonics; neuromorphic photonics; photonics neuromorphic; parity time ... See more keywords
Robust Photon Transmission in Nonlinear Parity–Time‐Symmetric Cavities
Sign Up to like & getrecommendations! Published in 2021 at "Annalen der Physik"
DOI: 10.1002/andp.202000626
Abstract: Photon transfer in the nonlinear parity–time (PT)‐symmetry system of coupled cavities, which contains nonlinear gain and loss dependent on the intracavity photons, is explored. An analysis based on quantum Langevin equations is presented to study… read more here.
Keywords: nonlinear parity; efficiency; transfer; parity time ... See more keywords
Multipole solitons in a cold atomic gas with a parity-time symmetric potential
Sign Up to like & getrecommendations! Published in 2018 at "Nonlinear Dynamics"
DOI: 10.1007/s11071-018-4694-z
Abstract: We investigate the formation and propagation of multipole solitons (MSs) in a cold atomic gas with a parity-time (PT) symmetric potential. A $$\wedge $$∧-type three-level configuration is considered in the electromagnetically induced transparency arrangement. The… read more here.
Keywords: parity time; time symmetric; multipole solitons; cold atomic ... See more keywords
Analytic study on optical solitons in parity-time-symmetric mixed linear and nonlinear modulation lattices with non-Kerr nonlinearities
Sign Up to like & getrecommendations! Published in 2018 at "Optik"
DOI: 10.1016/j.ijleo.2018.08.023
Abstract: Abstract This paper studies soliton solutions in parity-time-symmetric mixed linear and nonlinear optical lattices with Kerr and non-Kerr law nonlinearities. Four different kinds of rough mediums namely, parabolic law, power law, dual power law and… read more here.
Keywords: non kerr; parity time; law; time symmetric ... See more keywords
Extraordinary directional optical properties of a parity-time symmetric one-dimensional photonic lattice
Sign Up to like & getrecommendations! Published in 2021 at "Optics Communications"
DOI: 10.1016/j.optcom.2021.127342
Abstract: Abstract Recently, photonic structures with non-Hermitian Hamiltonians have attracted few attentions for engineering materials with new directional functionalities. In this paper, we have investigated the transmittance and reflectance of the one-dimensional photonic lattice with parity-time… read more here.
Keywords: parity time; photonic lattice; extraordinary directional; one dimensional ... See more keywords
Observation of topological edge states in parity–time-symmetric quantum walks
Sign Up to like & getrecommendations! Published in 2017 at "Nature Physics"
DOI: 10.1038/nphys4204
Abstract: Spontaneous parity–time-symmetry breaking and topological edge states are observed in a photonic non-Hermitian system — a quantum walk interferometer. read more here.
Keywords: parity time; topological edge; edge states;
Observation of parity-time symmetry breaking transitions in a dissipative Floquet system of ultracold atoms
Sign Up to like & getrecommendations! Published in 2019 at "Nature Communications"
DOI: 10.1038/s41467-019-08596-1
Abstract: Open physical systems with balanced loss and gain, described by non-Hermitian parity-time $$\left( {{\cal P}{\cal T}} \right)$$PT reflection symmetric Hamiltonians, exhibit a transition which could engender modes that exponentially decay or grow with time, and… read more here.
Keywords: parity time; cal cal; time; symmetry breaking ... See more keywords
Parity-time symmetry in wavelength space within a single spatial resonator
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DOI: 10.1038/s41467-020-16705-8
Abstract: We show a parity-time (PT) symmetric microwave photonic system in the optical wavelength space within a single spatial resonator, in which the gain and loss modes can perfectly overlay spatially but are distinguishable in the… read more here.
Keywords: parity time; wavelength space; space; spatial resonator ... See more keywords
Observation of anti-parity-time-symmetry, phase transitions and exceptional points in an optical fibre
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DOI: 10.1038/s41467-020-20797-7
Abstract: The exotic physics emerging in non-Hermitian systems with balanced distributions of gain and loss has recently drawn a great deal of attention. These systems exhibit phase transitions and exceptional point singularities in their spectra, at… read more here.
Keywords: anti parity; parity time; transitions exceptional; phase transitions ... See more keywords
Fully integrated parity–time-symmetric electronics
Sign Up to like & getrecommendations! Published in 2022 at "Nature Nanotechnology"
DOI: 10.1038/s41565-021-01038-4
Abstract: Harnessing parity–time symmetry with balanced gain and loss profiles has created a variety of opportunities in electronics from wireless energy transfer to telemetry sensing and topological defect engineering. However, existing implementations often employ ad hoc… read more here.
Keywords: time symmetry; parity; microwave generation; parity time ... See more keywords
Robust and efficient wireless power transfer using a switch-mode implementation of a nonlinear parity–time symmetric circuit
Sign Up to like & getrecommendations! Published in 2020 at "Nature Electronics"
DOI: 10.1038/s41928-020-0399-7
Abstract: Stationary wireless power transfer has been deployed commercially and can be used to charge a variety of devices, including mobile phones and parked electric vehicles. However, wireless power transfer set-ups typically suffer from an inherent… read more here.
Keywords: circuit; parity time; transfer; power ... See more keywords