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The recent development of deep learning large models in medicine shows remarkable performance in medical image analysis and diagnosis, but their large number of parameters causes memory and inference latency challenges. Knowledge…

Computer Vision and Pattern Recognition · Computer Science 2024-09-19 Shaojie Li , Zhaoshuo Diao

The efficiency of an ensemble-based optical quantum memory depends critically on the strength of the atom-light coupling. An optical cavity is an effective method to enhance atom-light coupling strength, with the drawback that cavities can…

When light propagates through opaque material, the spatial information it holds becomes scrambled, but not necessarily lost. Two classes of techniques have emerged to recover this information: methods relying on optical memory effects, and…

We seek to design experimentally feasible broadband, temporally multiplexed optical quantum memory with near-term applications to telecom bands. Specifically, we devise dispersion compensation for an impedance-matched narrow-band quantum…

Quantum Physics · Physics 2021-07-01 E. S. Moiseev , Arina Tashchilina , S. A. Moiseev , Barry C. Sanders

We introduce Efficient Motion Diffusion Model (EMDM) for fast and high-quality human motion generation. Current state-of-the-art generative diffusion models have produced impressive results but struggle to achieve fast generation without…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Wenyang Zhou , Zhiyang Dou , Zeyu Cao , Zhouyingcheng Liao , Jingbo Wang , Wenjia Wang , Yuan Liu , Taku Komura , Wenping Wang , Lingjie Liu

We consider an atomic frequency comb based quantum memory inside an asymmetric optical cavity. In this configuration it is possible to absorb the input light completely in a system with an effective optical depth of one, provided that the…

Quantum Physics · Physics 2015-05-18 Mikael Afzelius , Christoph Simon

We consider quantum interference effects in carrier and photocurrent excitation in graphene using coherent electromagnetic field components at frequencies $\omega$ and $2\omega$. The response of the material at the fundamental frequency…

Mesoscale and Nanoscale Physics · Physics 2014-09-24 J. Rioux , J. E. Sipe , Guido Burkard

Imaging inside scattering media at optical resolution is a longstanding challenge affecting multiple fields, from bio-medicine to astronomy. In recent years, several groundbreaking techniques for imaging inside scattering media, in…

Optics · Physics 2024-05-17 Elad Sunray , Gil Weinberg , Moriya Rosenfeld , Ori Katz

A typical surface-enhanced Raman scattering (SERS) system relies on deeply subwavelength field localization in nanoscale plasmonic cavities to enhance both the excitation and emission of Raman-active molecules. Here, we demonstrate that a…

Quantum Physics · Physics 2025-05-27 Mikolaj K. Schmidt , Alexander A. High , Michael J. Steel

Quantum repeater holds the promise for scalable long-distance quantum communication. Towards a first quantum repeater based on memory-photon entanglement, significant progresses have made in improving performances of the building blocks.…

Quantum Physics · Physics 2016-04-06 Sheng-Jun Yang , Xu-Jie Wang , Xiao-Hui Bao , Jian-Wei Pan

Cryo-electron microscopy (cryo-EM) has become a central tool for high-resolution structural biology, yet the massive scale of datasets (often exceeding 100k particle images) renders 3D reconstruction both computationally expensive and…

Computer Vision and Pattern Recognition · Computer Science 2025-10-03 Huaizhi Qu , Xiao Wang , Gengwei Zhang , Jie Peng , Tianlong Chen

Entanglement distribution between distant parties is an essential component to most quantum communication protocols. Unfortunately, decoherence effects such as phase noise in optical fibers are known to demolish entanglement. Iterative…

We present combined measurements of the spatially-resolved optical spectrum and the total excited-atom number in an ultracold gas of three-level atoms under electromagnetically induced transparency conditions involving high-lying Rydberg…

Memory dephasing and its impact on the rate of entanglement generation in quantum repeaters is addressed. For systems that rely on probabilistic schemes for entanglement distribution and connection, we estimate the maximum achievable rate…

Quantum Physics · Physics 2009-09-12 M. Razavi , M. Piani , N. Lutkenhaus

Through the probing of light-matter interactions, Raman spectroscopy provides invaluable insights into the composition, structure, and dynamics of materials, and obtaining such data from portable and cheap instruments is of immense…

Chemical Physics · Physics 2024-07-03 Vikas Yadav , Abhay Kumar Tiwari , Soumik Siddhanta

Implicit neural representations (INRs) provide a parameter-efficient and fully differentiable image model for CT reconstruction. However, optimizing INRs for CT reconstruction using standard auto-differentiation techniques can be…

Image and Video Processing · Electrical Eng. & Systems 2026-04-14 Mahrokh Najaf , Gregory Ongie

Transformer models rely on Multi-Head Self-Attention (MHSA) mechanisms, where each attention head contributes to the final representation. However, their computational complexity and high memory demands due to MHSA hinders their deployment…

Computer Vision and Pattern Recognition · Computer Science 2025-08-25 Lucas Maisonnave , Karim Haroun , Tom Pegeot

We propose a Raman quantum memory scheme that uses several atomic ensembles to store and retrieve the multimode highly entangled state of an optical quantum frequency comb, such as the one produced by parametric down-conversion of a pump…

Quantum Physics · Physics 2015-04-07 Z. Zheng , O. Mishina , N. Treps , C. Fabre

Memory effects in scattering processes are described in terms of the asymptotic retarded fields. These fields are completely determined by the scattering data and the zero mode part is set by the soft photon theorem. The dressed asymptotic…

High Energy Physics - Theory · Physics 2017-10-25 Cesar Gomez , Raoul Letschka

We theoretically studied the implementation of a quantum memory and an optical transistor in a system composed by a single atom trapped inside a high finesse cavity. In order to store and map the quantum state of an input pulse onto…

Quantum Physics · Physics 2016-03-17 Rommel R. Oliveira , Halyne S. Borges , James A. Souza , Celso J. Villas-Boas