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Quick Response (QR) code is one of the most worldwide used two-dimensional codes.~Traditional QR codes appear as random collections of black-and-white modules that lack visual semantics and aesthetic elements, which inspires the recent…

Computer Vision and Pattern Recognition · Computer Science 2020-11-17 Hao Su , Jianwei Niu , Xuefeng Liu , Qingfeng Li , Ji Wan , Mingliang Xu , Tao Ren

Quantum error correction plays an important role in fault-tolerant quantum information processing. It is usually difficult to experimentally realize quantum error correction, as it requires multiple qubits and quantum gates with high…

Quantum Physics · Physics 2020-11-10 Qihao Guo , Yuan-Yuan Zhao , Markus Grassl , Xinfang Nie , Guo-Yong Xiang , Tao Xin , Zhang-Qi Yin , Bei Zeng

We introduce a machine learning prediction workflow to study the impact of defects on the Raman response of 2D materials. By combining the use of machine-learned interatomic potentials, the Raman-active $\Gamma$-weighted density of states…

We derive the spectral domain properties of two-dimensional (2-D) $(\lambda_1, \lambda_2)$-constacyclic codes over $\mathbb{F}_q$ using the 2-D finite field Fourier transform (FFFT). Based on the spectral nulls of 2-D $(\lambda_1,…

Information Theory · Computer Science 2025-05-12 Vidya Sagar , Shikha Patel , Shayan Srinivasa Garani

Due to the widespread adoption of the smart mobile devices, QR codes have become one of the most-known types of 2D codes around the world. However, the data capacity properties of modern QR codes are still not perfect. To address this…

Other Computer Science · Computer Science 2019-02-18 Alexey Tikhonov

In order to overcome the shortcoming of nonconservation of nuclear momentum existing in the original $Q^2$-rescaling model(O$Q^2$RM) and avoid introducing nuclear shadowing factor, we proposed a double $Q^2$-rescaling model(D$Q^2$RM) for…

High Energy Physics - Phenomenology · Physics 2011-09-13 Zhenmin He , Xiaoxia Yao , Chungui Duan , Guanglie Li , Hongan Peng

We use an on-chip superconducting resonator as a sensitive meter to probe the properties of graphene double quantum dots at microwave frequencies. Specifically, we investigate the charge dephasing rates in a circuit quantum electrodynamics…

Chemical imaging enabled by Raman processes is crucial to investigating biological and chemical samples in a label-free manner. Stimulated Raman spectroscopy (SRS) overcomes the key limitation associated with low signal levels in…

Optics · Physics 2026-03-25 Florian M. Schweizer , Hannah Terrasa , Manish Garg

Executable QR codes, also known as eQR codes or just sQRy, are a special kind of QR codes that embed programs conceived to run on mobile devices like smartphones. Since the program is directly encoded in binary form within the QR code, it…

Networking and Internet Architecture · Computer Science 2024-11-21 Stefano Scanzio , Francesco Velluto , Matteo Rosani , Lukasz Wisniewski , Gianluca Cena

We present a systematic experimental and theoretical study of the two-phonon (2D) Raman scattering in graphene under uniaxial tension. The external perturbation unveils that the 2D mode excited with 785nm has a complex line-shape mainly due…

Quantum error correcting codes have been shown to have the ability of making quantum information resilient against noise. Here we show that we can use quantum error correcting codes as diagnostics to characterise noise. The experiment is…

Quantum Physics · Physics 2009-11-13 M. Laforest , D. Simon , J. -C. Boileau , J. Baugh , M. Ditty , R. Laflamme

The paper presents a novel technique for encoding dual messages within standard Quick Response (QR) codes through precise half-pixel module splitting. This work challenges fundamental assumptions about deterministic decoding in the ISO/IEC…

Signal Processing · Electrical Eng. & Systems 2025-03-19 David Noever , Forrest McKee

Raman spectroscopy of graphene is reviewed from a theoretical perspective. After an introduction of the building blocks (electronic band structure, phonon dispersion, electron-phonon interaction, electron-light coupling), Raman intensities…

Mesoscale and Nanoscale Physics · Physics 2017-03-23 Sven Reichardt , Ludger Wirtz

Within the well-established optical response function formalism, a new strategy with the central idea of employing the forward-backward stochastic Schr\"{o}dinger equations in a segmented way to accurately obtain the two-dimensional (2D)…

Chemical Physics · Physics 2018-08-08 Yaling Ke , Yi Zhao

It is well known that Shannon's rate-distortion function (RDF) in the colored quadratic Gaussian (QG) case can be parametrized via a single Lagrangian variable (the "water level" in the reverse water filling solution). In this work, we show…

Information Theory · Computer Science 2016-08-05 Jan Ostergaard , Yuval Kochman , Ram Zamir

The quantum geometric tensor (QGT) unifies the Berry curvature (its imaginary part) and the quantum metric (its real part), yet Raman studies of chiral phonons have so far accessed only the former. We perform circularly polarized Raman…

Materials Science · Physics 2025-11-14 Chao-Fan Wang , Han Ge , Jun-Yang Chen , Liusuo Wu , Xiaobin Chen , Jia-Wei Mei , Mingyuan Huang

The nitrogen-vacancy (NV) center in diamond has been the focus of research efforts because of its suitability for use in applications such as quantum sensing and quantum simulations. Recently, the electron-spin double resonance (ESDR) of NV…

Quantum Physics · Physics 2023-07-12 Takumi Mikawa , Ryusei Okaniwa , Yuichiro Matsuzaki , Norio Tokuda , Junko Ishi-Hayase

Molecular simulations generally require fermionic encoding in which fermion statistics are encoded into the qubit representation of the wave function. Recent calculations suggest that fermionic encoding of the wave function can be bypassed,…

Quantum Physics · Physics 2022-04-18 David A. Mazziotti , Scott E. Smart , Alexander R. Mazziotti

Raman spectroscopy is frequently used to identify composition, structure and layer thickness of 2D materials. Here, we describe an efficient first-principles workflow for calculating resonant first-order Raman spectra of solids within…

Materials Science · Physics 2020-07-15 A. Taghizadeh , U. Leffers , T. G. Pedersen , K. S. Thygesen

This is the Replicated Computational Results (RCR) Report for the paper C2|Q>: A Robust Framework for Bridging Classical and Quantum Software Development. The paper introduces a modular, hardware-agnostic framework that translates classical…

Software Engineering · Computer Science 2026-04-07 Boshuai Ye , Arif Ali Khan , Teemu Pihkakoski , Peng Liang , Muhammad Azeem Akbar , Matti Silveri , Lauri Malmi