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In this paper we introduce PkANN, a freely available software package for interpolating the non-linear matter power spectrum, constructed using Artificial Neural Networks (ANNs). Previously, using Halofit to calculate matter power spectrum,…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-18 Shankar Agarwal , Filipe B. Abdalla , Hume A. Feldman , Ofer Lahav , Shaun A. Thomas

In this paper, we propose a pre-trained-combined neural network (PTCN) as a comprehensive solution to the inverse design of an integrated photonic circuit. By utilizing both the initially pre-trained inverse and forward model with a joint…

Optics · Physics 2022-07-20 Mengwei Yuan , Gang Yang , Shijie Song , Luping Zhou , Robert Minasian , Xiaoke Yi

Coherent broadband excitation of plasmons brings ultrafast photonics to the nanoscale. However, to fully leverage this potential for ultrafast nanophotonic applications, the capacity to engineer and control the ultrafast response of a…

Artificial neural networks (ANNs) have evolved from the 1940s primitive models of brain function to become tools for artificial intelligence. They comprise many units, artificial neurons, interlinked through weighted connections. ANNs are…

Signal Processing · Electrical Eng. & Systems 2024-04-16 Artur Matysiak , Volker Roeber , Henrik Kalisch , Reinhard König , Patrick J. C. May

Spectral methods employing non-standard polynomial bases, such as M\"untz polynomials, have proven effective for accurately solving problems with solutions exhibiting low regularity, notably including sub-diffusion equations. However, due…

Numerical Analysis · Mathematics 2025-05-22 Wei Zeng , Chuanju Xu , Yiming Lu , Qian Wang

The development of low-loss reconfigurable integrated optical devices enables further research into technologies including photonic signal processing, analogue quantum computing, and optical neural networks. Here, we introduce digital…

Neural Networks (NNs) are steering a new generation of artificial intelligence (AI) applications at the micro-edge. Examples include wireless sensors, wearables and cybernetic systems that collect data and process them to support real-world…

Signal Processing · Electrical Eng. & Systems 2021-03-17 Sergey Mileiko , Thanasin Bunnam , Fei Xia , Rishad Shafik , Alex Yakovlev , Shidhartha Das

We analyse and compare various empirical models of wall pressure spectra beneath turbulent boundary layers and propose an alternative machine learning approach using Artificial Neural Networks (ANN). The analysis and the training of the ANN…

Fluid Dynamics · Physics 2022-03-14 J. Dominique , J. Van den Berghe , C. Schram , M. A. Mendez

Inverse design in nanophotonics remains challenging due to its ill-posed nature and sensitivity to input inaccuracies. We present a novel framework that combines a Conditional Variational Autoencoder (CVAE) with a tandem network, enabling…

Optics · Physics 2025-07-22 Yuxiao Li , Taeyoon Kim , Allen Zhang , Zengbo Wang , Yongmin Liu

The sixth generation of wireless networks envisions intelligent and adaptive environments capable of meeting the demands of emerging applications such as immersive extended reality, advanced healthcare, and the metaverse. However, this…

Networking and Internet Architecture · Computer Science 2025-02-13 Dimitrios Tyrovolas , Sotiris A. Tegos , Panagiotis D. Diamantoulakis , Sotiris Ioannidis , Christos K. Liaskos , George K. Karagiannidis

Woven fabrics play an essential role in everyday textiles for clothing/sportswear, water filtration, and retaining walls, to reinforcements in stiff composites for lightweight structures like aerospace, sporting, automotive, and marine…

Applied Physics · Physics 2023-11-27 Haotian Feng , Sabarinathan P Subramaniyan , Hridyesh Tewani , Pavana Prabhakar

We investigate the interpolation of power spectra of matter fluctuations using Artificial Neural Network (PkANN). We present a new approach to confront small-scale non-linearities in the power spectrum of matter fluctuations. This…

Cosmology and Nongalactic Astrophysics · Physics 2012-09-27 Shankar Agarwal , Filipe B. Abdalla , Hume A. Feldman , Ofer Lahav , Shaun A. Thomas

Linear optical architectures have been extensively investigated for quantum computing and quantum machine learning applications. Recently, proposals for photonic quantum machine learning have combined linear optics with resource adaptivity,…

Streamline tracing in conical hypersonic flows is essential for designing high-performance waverider and intake. Conventionally, the streamline equations are solved after obtaining the velocity field from the solution of the axisymmetric…

Fluid Dynamics · Physics 2024-03-20 Anagha G Rao , Umesh Siddarth U S , Srisha M V Rao

Machine learning techniques, notably various deep neural network methods, are instrumental in processing extensive and intricate data sets in engineering and scientific fields. This paper shows how deep neural networks can inversely design…

Optics · Physics 2026-05-05 Ali Mohajer Hejazi , Vincent Ginis

Techniques for training artificial neural networks (ANNs) and convolutional neural networks (CNNs) using simulated dynamical electron diffraction patterns are described. The premise is based on the following facts. First, given a suitable…

Mesoscale and Nanoscale Physics · Physics 2021-03-08 Renliang Yuan , Jiong Zhang , Lingfeng He , Jian-Min Zuo

Guided-wave plasmonic circuits are promising platforms for sensing, interconnection, and quantum applications in the sub-diffraction regime. Nonetheless, the loss-confinement trade-off remains a collective bottleneck for plasmonic-enhanced…

Optics · Physics 2020-11-12 Charles Lin , Pohan Chang , Yiwen Su , Amr S Helmy

This letter presents a novel design method for switchable dual band transmissive frequency selective surface (FSS). The proposed FSS possesses characteristics of maintaining passband characteristics at high frequencies, while switching from…

Applied Physics · Physics 2026-05-06 Rui Xi , Xinke Kuang , Huanran Qiu , Shiyun Ma , Xiaokui Kang , Yuanyuan Wang , Ying Li , Long Li

We have designed a new method to fit the energy and atomic forces using a single artificial neural network (SANN) for any number of chemical species present in a molecular system. The traditional approach for fitting the potential energy…

Chemical Physics · Physics 2018-12-05 Shweta Jindal , Satya S. Bulusu

Existing adaptive bias techniques, which seek to estimate free energies and physical properties from molecular simulations, are limited by their reliance on fixed kernels or basis sets which hinder their ability to efficiently conform to…

Statistical Mechanics · Physics 2018-04-04 Hythem Sidky , Jonathan K. Whitmer