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相关论文: A general phase noise relationship for four-wave m…

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We consider driven many-particle models which have a phase transition between an active and an absorbing phase. Like previously studied models, we have particle conservation, but here we introduce an additional symmetry - when two particles…

统计力学 · 物理学 2017-01-18 Daniel Hexner , Dov Levine

We address quantum communication channels based on phase modulation of coherent states and analyze in details the effects of static and dynamical (stochastic) phase diffusion. We evaluate mutual information for an ideal phase receiver and…

量子物理 · 物理学 2015-10-27 Jacopo Trapani , Berihu Teklu , Stefano Olivares , Matteo G. A. Paris

The phase time coupling effect on NMR relaxation is investigated based on coupled and uncoupled phase diffusion. The results indicate that phase and time coupling could significantly impact the NMR relaxation time. The spectral density term…

化学物理 · 物理学 2023-09-27 Guoxing Lin

We study the density-wave states of quasi-one-dimensional atomic gas mixture of one- and two-component boson and fermion using the mean-field approximation. Owing to the Peierls instability in the quasi-one-dimensional fermion system, the…

其他凝聚态物理 · 物理学 2009-11-10 E. Nakano , H. Yabu

We have investigated decoherence in Josephson-junction flux qubits. Based on the measurements of decoherence at various bias conditions, we discriminate contributions of different noise sources. In particular, we present a Gaussian decay…

介观与纳米尺度物理 · 物理学 2009-11-11 F. Yoshihara , K. Harrabi , A. O. Niskanen , Y. Nakamura , J. S. Tsai

The synchronized phase of globally coupled nonlinear oscillators subject to noise fluctuations is studied by means of a new analytical approach able to tackle general couplings, nonlinearities, and noise temporal correlations. Our results…

无序系统与神经网络 · 物理学 2009-10-31 Esteban Moro , Angel Sanchez

Spectral and grating-based differential phase-contrast X-ray imaging are two emerging technologies that offer additional information compared with conventional attenuation-based X-ray imaging. In the case of spectral imaging,…

医学物理 · 物理学 2020-01-31 Korbinian Mechlem , Thorsten Sellerer , Manuel Viermetz , Julia Herzen , Franz Pfeiffer

We show that equalization-enhanced phase noise manifests as a time-varying, frequency-dependent phase error, which can be modeled and reversed by a time-varying all-pass finite impulse response filter.

信号处理 · 电气工程与系统科学 2025-02-13 Benedikt Geiger , Fred Buchali , Vahid Aref , Laurent Schmalen

We develop an effective description of noise-induced oscillations based on deterministic phase dynamics. The phase equation is constructed to exhibit correct frequency and distribution density of noise-induced oscillations. In the simplest…

混沌动力学 · 物理学 2010-10-04 Justus T. C. Schwabedal , Arkady Pikovsky

Thermal fluctuations of different origin in the substrate and in the coating of optical mirrors produce phase noise in the reflected wave. This noise determines the ultimate stabilization capability of high-Q cavities used as a reference…

材料科学 · 物理学 2009-11-13 Michael L. Gorodetsky

We study collective oscillations of a two-flavor neutrino system with arbitrary but fixed density. In the vacuum limit, modes with different energies quickly de-phase (kinematical decoherence), whereas in the limit of infinite density they…

高能物理 - 唯象学 · 物理学 2010-12-24 Georg G. Raffelt , Irene Tamborra

We present a theoretical analysis of the propagation of light pulses through a medium of four-level atoms, with two strong pump fields and a weak signal field in an N-scheme arrangement. We show that the generation of four-wave mixing has a…

We introduce a generalized version of phase retrieval called multiplexed phase retrieval. We want to recover the phase of amplitude-only measurements from linear combinations of them. This corresponds to the case in which multiple…

图像与视频处理 · 电气工程与系统科学 2019-07-02 Jonathan Dong , Florent Krzakala , Sylvain Gigan

We report measurements of the correlation between intensities of noise at different frequencies on a tunnel junction under ac excitation, which corresponds to two-mode intensity correlations in optics. We observe positive correlation,…

介观与纳米尺度物理 · 物理学 2014-10-08 Jean-Charles Forgues , Fatou Bintou Sane , Simon Blanchard , Lafe Spietz , Christian Lupien , Bertrand Reulet

Matter-wave interferometers with micro-particles will enable the next generation of quantum sensors to probe minute quantum phase information. Therefore, estimating the loss of coherence and the degree of entanglement degradation for such…

量子物理 · 物理学 2024-10-25 Martine Schut , Herre Bosma , MengZhi Wu , Marko Toroš , Sougato Bose , Anupam Mazumdar

Four-wave mixing (FWM) in gas-filled hollow-core capillaries, a nonlinear optical process that mixes signal and pump photon frequencies to generate idler frequency photons, offers a method for precise spectral phase transfer from signal to…

We address the exploitation of an optical parametric oscillator (OPO) in the task of mitigating, at least partially, phase noise produced by phase diffusion. In particular, we analyze two scenarios where phase diffusion is typically…

We exercise rapid and fine control over the phase of light by transferring digitally gen- erated phase jumps from radio frequency (rf) electrical signals onto light by means of acousto-optic interaction. By tailoring the statistics of phase…

光学 · 物理学 2013-07-11 Nandan Satapathy , Deepak Pandey , Sourish Banerjee , Hema Ramachandran

We show that, Four wave mixing (FWM) processes of grating can be controlled by the presence of interactions with a quantum dot or a molecule made by coupled quantum dots. By choosing the appropriate level spacing for the quantum emitter,…

量子物理 · 物理学 2015-07-02 Shailendra Kumar Singh , Mehmet Emre Tasgin

For coherent and direct-detection Orthogonal Frequency Division Multiplexed (OFDM) systems employing radio frequency (RF) pilot tone phase noise cancellation the influence of laser phase noise is evaluated. Novel analytical results for the…

其他计算机科学 · 计算机科学 2016-08-01 Gunnar Jacobsen , Leonid G. Kazovsky , Tianhua Xu , Sergei Popov , Jie Li , Yimo Zhang , Ari T. Friberg