Cross-kerr nonlinearity

Author: jcoh

August undefined, 2024

WebBased on cross-Kerr nonlinearity, a controlled not gate and a controlled phase gate with low-cost and high-efficiency are constructed, which are the key parts of quantum information processing. Discarding the assistance of photons and exploiting classical feed forward, the protocol is feasibly realized with the probability nearly approaching unity. WebSep 3, 2015 · We analyse the combined effect of the radiation-pressure and cross-Kerr nonlinearity on the stationary solution of the dynamics of a nanomechanical resonator …

Giant cross-Kerr nonlinearity in the metal nanoparticles …

WebMar 31, 2024 · A giant cross-Kerr nonlinearity is obtained that can be controlled by the geometrical features of the system in addition to the detuning of both probe and control fields. Interestingly, the system exhibits large nonlinear absorption coefficients in the visible region of the electromagnetic spectrum with low light intensity for small distances ... WebFeb 13, 2024 · The second, termed cross-Kerr nonlinearity, is a coherent effect that dramatically changes the optical response of the medium to light at selected frequencies. Achieving dynamic nonreciprocity. The new technique works because in most optical nonlinear materials, the self- and cross-Kerr nonlinearities have differing strengths. shelton ecap

Kerr effect - Wikipedia

WebWe discuss the feasibility of a quantum nondemolition measurement (QND) of photon number based on cross phase modulation due to the Kerr effect in Photonic Crystal Waveguides (PCW’s). In particular, we derive the equat… WebNov 8, 2024 · In a system of trapped ions, we experimentally demonstrate the projective measurement of the state of the ions’ motional mode via an effective cross-Kerr coupling … WebApr 12, 2024 · As known, equations of paraxial optics describing the propagation of two interacting circular polarizations of light in a dielectric medium with Kerr nonlinearity [1–4] in the completely defocusing case are mathematically equivalent to the coupled Gross–Pitaevskii equations for a binary Bose–Einstein condensate in the spatial phase … shelton education

Giant Kerr nonlinearities and magneto-optical rotations in a …

Effects of cross-Kerr coupling and parametric nonlinearity on …

WebNov 5, 2024 · We study the use of the self-Kerr and cross-Kerr nonlinearities to realize strong photon blockade in a weakly driven, four-mode optomechanical system. According to the Born—Oppenheimer … WebMar 12, 2024 · Cross-Kerr nonlinearity is a coherent effect and drastically changes the optical response of the atomic media at selective frequencies. Consequently, cross-Kerr … shelton edge gymWebDec 20, 2024 · The nonlinearity is used to implement cross-phase modulation between two optical pulses. The nonlinear phase written onto the probe pulse is measured to be as large as 8 mrad per nanowatt of signal power, corresponding to a χ ( 3 ) of 10 − 8 m 2 / V 2 . shelton echo hose

"WebWe propose an arbitrary controlled-unitary (CU) gate and a bidirectional quantum teleportation (BQTP) scheme. The proposed CU gate utilizes photonic qubits (photons) with cross-Kerr nonlinearities (XKNLs), X-homodyne detectors, and linear optical elements, and consists of the consecutive operation of a controlled-path (C-path) gate and a gathering … " - Cross-kerr nonlinearity

Cross-kerr nonlinearity

Designing Kerr interactions using multiple superconducting qubit …

WebJun 4, 2024 · Here we experimentally demonstrate that the Kerr nonlinearity can split ultra-high-Q microresonator resonances for two continuous-wave lasers. The resonance splitting is induced by self- and cross-phase modulation and counterintuitively enables two lasers at different wavelengths to be simultaneously resonant in the same microresonator mode. WebMar 12, 2024 · Cross-Kerr nonlinearity is a coherent effect and drastically changes the optical response of the atomic media at selective frequencies. Consequently, cross-Kerr effect plays an incredible role in gain assisted atomic media [ 25 ], electromagnetic induced transparency [ 26 ], optomechanically induced transparency [ 27 ], hybrid quantum …

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WebThe nonlinearity is also often negative for photon energies above roughly 70% of the bandgap energy (self-defocusing nonlinearity). The time- and frequency-dependent refractive index change leads to self-phase … Webto be 1, and the cubic terms account for the self-phase modulation (SPM) and cross-phase modulation (XPM) eﬀects induced by the Kerr nonlinearity. The system of Eqs. (1) and (2) is frequently called a generalized massive Thirring model. The Thirring model proper [5] corresponds to the case when the SPM terms are dropped (only

WebMar 23, 2024 · Abstract. Strong cross-Kerr nonlinearity at the single-photon level is crucial for various quantum applications, but usually very difficult to achieve. In this work, an … WebApr 15, 2024 · Strong cross‐Kerr nonlinearity at the single‐photon level is crucial for various quantum applications, but usually very difficult to achieve. In this work, an efficient method to generate and ...

WebMay 5, 2024 · The Gaussian pulse propagation is investigated in an atomic medium under Kerr nonlinearity effect. The pulse intensity is reduced from $$100\\%$$ 100 % to $$3\\%$$ 3 % as the propagation distance of the medium L= 100 cm. The pulse shows large phase shift within the medium due to large delay. The large phase shift and delay have … WebApr 1, 2013 · the nonlinearity in silica glass [54], Kerr-based ﬁbers need long propagation distances and high powers, which bring other unwanted effects [ 55 , 56 ]. In this paper, …

WebSep 3, 2015 · Abstract and Figures. We analyse the combined effect of the radiation-pressure and cross-Kerr nonlinearity on the stationary solution of the dynamics of a nanomechanical resonator interacting with ...

WebNov 8, 2024 · For the strong cross-Kerr nonlinearities, both CPB and UPB exhibit strong antibunching features. Furthermore, the switch between CPB and UPB can be achieved … sportsound twitterWebSep 3, 2015 · Cross-Kerr nonlinearity: a stability analysis Roope Sarala, Francesco Massel We analyse the combined effect of the radiation-pressure and cross-Kerr … shelton electrical servicesWebMay 10, 2013 · We study the quasiclassical dynamics of the cross-Kerr effect. In this approximation, the typical periodical revivals of the decorrelation between the two … sport soundtrackWebJan 9, 2015 · Cross-Kerr nonlinearity in optomechanical systems R. Khan, F. Massel, T. T. Heikkilä We consider the response of a nanomechanical resonator interacting with an … sports outdoor horizon treadmillWebOn the other hand, a cross-Kerr nonlinearity, which can be introduced by a super-conducting charge qubit or a two-level system [14, 15], has been widely used in quantumoptomechanicalsystem.Inthishybridsystem,thecross-Kerrnonlinearcou-pling between cavity and mechanical modes induces a change in the cavity refractive sports outdoors tailgating gearWebJan 9, 2015 · We consider the response of a nanomechanical resonator interacting with an electromagnetic cavity via a radiation pressure coupling and a cross-Kerr coupling. Using a mean field approach we solve the dynamics of the system, and show the different corrections coming from the radiation pressure and the cross-Kerr effect to the usually … shelton electriciansWebDec 15, 2004 · The action of the first cross-Kerr nonlinearity puts a phase shift θ on the probe beam only if a photon was present in that mode. The second cross-Kerr nonlinearity puts a phase shift − θ on the probe beam only if a photon was present in that mode. After the nonlinear interactions, the which path qubits are converted back to polarization ... shelton electric instruments