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Soft, stretchable organic field-effect transistors (OFETs) can provide powerful on-skin signal conditioning, but current fabrication methods are often material-specific: each new polymer semiconductor (PSC) requires a tailored process. The…

All optical diodes (AODs) play an important role in quantum optics and information processing, in which the information is encoded by photons. Only circularly polarized lights are able to carry the spin states of photons, which has been…

Optics · Physics 2018-06-13 Hongming Fei , Min Wu , Han Lin , Xin Liu , Yibiao Yang , Mingda Zhang , Binzhao Cao

Spectroscopy requires high-precision wavelength discrimination but typically requires bulky, alignment-sensitive instrumentation. To address this, we present a compact computational spectrometer built from a single germanium PN photodiode.…

Optical wireless communication (OWC) is a promising technology that can provide high data rates while supporting multiple users. The Optical Wireless (OW) physical layer has been researched extensively, however less work was devoted to…

High-speed optical receivers are crucial in modern optical communication systems. While complex photonic integrated circuits (PICs) are widely employed to harness the full degrees of freedom (DOFs) of light for efficient data transmission,…

The detection of ultrafast optical and radio-frequency (RF) signals is crucial for applications ranging from high-speed communications to advanced sensing. However, conventional detectors are fundamentally constrained by their intrinsic…

Photonic brain-inspired platforms are emerging as novel analog computing devices, enabling fast and energy-efficient operations for machine learning. These artificial neural networks generally require tailored optical elements, such as…

Emerging Technologies · Computer Science 2021-07-30 Davide Pierangeli , Giulia Marcucci , Claudio Conti

Opto-electronic computing combines the complementary strengths of photonics and electronics to deliver ultrahigh computational throughput with high energy efficiency. However, its practical deployment for real-world applications has been…

Light's ability to perform massive linear operations parallelly has recently inspired numerous demonstrations of optics-assisted artificial neural networks (ANN). However, a clear advantage of optics over purely digital ANN in a…

One of the optimization goals of a particle accelerator is to reach the highest possible beam peak current. For that to happen the electron bunch propagating through the accelerator should be kept relatively short along the direction of its…

Instrumentation and Detectors · Physics 2018-06-28 Aleksander Mielczarek , Dariusz Makowski , Andrzej Napieralski , Christopher Gerth , Bernd Steffen

The relentless growth of large-scale artificial intelligence (AI) has created unprecedented demand for computational power, straining the energy, bandwidth, and scaling limits of conventional electronic platforms. Electronic-photonic…

The potential of optimum selection of modulation and forward error correction (FEC) overhead (OH) in future transparent nonlinear optical mesh networks is studied from an information theory perspective. Different network topologies are…

Information Theory · Computer Science 2016-01-19 Alex Alvarado , David J. Ives , Seb Savory , Polina Bayvel

High-performance computing underpins modern artificial intelligence (AI), enabling foundation models, real-time inference and perception in autonomous systems, and data-intensive scientific simulations. Recent advances in quantization…

This paper presents an innovative approach to mitigating the peak-to-average power ratio (PAPR). The proposed method uses a deep learning model called autoencoders (AEs) to simplify the process and avoid the complex calculations of…

Signal Processing · Electrical Eng. & Systems 2025-03-03 Omar Alnaseri , Ibtesam R. K. Al-Saedi , Yassine Himeur , Hongxiang Li

The ever-growing deep learning technologies are making revolutionary changes for modern life. However, conventional computing architectures are designed to process sequential and digital programs, being extremely burdened with performing…

Emerging Technologies · Computer Science 2022-12-21 Yuyao Huang , Tingzhao Fu , Honghao Huang , Sigang Yang , Hongwei Chen

Optical computing is an emerging technology for next-generation efficient artificial intelligence (AI) due to its ultra-high speed and efficiency. Electromagnetic field simulation is critical to the design, optimization, and validation of…

Emerging Technologies · Computer Science 2022-09-22 Jiaqi Gu , Zhengqi Gao , Chenghao Feng , Hanqing Zhu , Ray T. Chen , Duane S. Boning , David Z. Pan

Optical Wireless Communication (OWC) is regarded as an auspicious communication approach that can outperform the existing wireless technology. It utilizes LED lights, whose subtle variation in radiant intensity generate a binary data…

Robotics · Computer Science 2022-05-10 Fadi Al-Turjman , Diletta Cacciagrano , Leonardo Mostarda , Mattia Paccamiccio , Zaib Ullah

Photonic tensor cores (PTCs) are essential building blocks for optical artificial intelligence (AI) accelerators based on programmable photonic integrated circuits. PTCs can achieve ultra-fast and efficient tensor operations for neural…

Emerging Technologies · Computer Science 2022-05-05 Jiaqi Gu , Hanqing Zhu , Chenghao Feng , Zixuan Jiang , Mingjie Liu , Shuhan Zhang , Ray T. Chen , David Z. Pan

Fully Connected Neural Network (FCNN) is a class of Artificial Neural Networks widely used in computer science and engineering, whereas the training process can take a long time with large datasets in existing many-core systems. Optical…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-11-29 Fei Dai , Yawen Chen , Haibo Zhang , Zhiyi Huang

Optical waveguide segments based on geometrically unbound photonic crystal fibers (PCF) designs could be exploited as building blocks to realize miniaturized complex devices which implement advanced photonic operations. Here, we show how to…

Optics · Physics 2020-09-10 Andrea Bertoncini , Carlo Liberale