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Related papers: OLIA: an open-source digital lock-in amplifier

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A four-stage operational transconductance amplifier (OTA) for ultra-low-power applications is introduced in this paper. The proposed circuit inclusive of frequency compensation requires minimal transistor count and passives, overcoming the…

Signal Processing · Electrical Eng. & Systems 2025-08-08 M. Privitera , A. D. Grasso , A. Ballo , M. Alioto

We design and demonstrate a compact, low-power, low-dispersion and broadband optical modulator based on electro-optic (EO) polymer refilled silicon slot photonic crystal waveguide (PCW). The EO polymer is engineered for large EO activity…

Optics · Physics 2015-06-23 Xingyu Zhang , Amir Hosseini , Jingdong Luo , Alex K. -Y. Jen , Ray T. Chen

Scientific discovery increasingly depends on high-throughput characterization, yet automation is hindered by proprietary GUIs and the limited generalizability of existing API-based systems. We present Owl-AuraID, a software-hardware…

We introduce JuliQAOA, a simulation package specifically built for the Quantum Alternating Operator Ansatz (QAOA). JuliQAOA does not require a circuit-level description of QAOA problems, or another package to simulate such circuits, instead…

Quantum Physics · Physics 2023-12-12 John Golden , Andreas Bärtschi , Daniel O'Malley , Elijah Pelofske , Stephan Eidenbenz

The Adaptive Optics Lucky Imager (AOLI) is a new instrument designed to combine adaptive optics (AO) and lucky imaging (LI) techniques to deliver high spatial resolution in the visible, 20 mas, from ground-based telescopes. Here we present…

The Quantum Approximate Optimization Algorithm (QAOA) is a promising variational algorithm for solving combinatorial optimization problems on near-term devices. However, as the number of layers in a QAOA circuit increases, which is…

Machine Learning · Computer Science 2025-04-24 Owain Parry , Phil McMinn

This paper presents the Hybrid Overestimating Approximate Adder designed to enhance the performance in processing engines, specifically focused on edge AI applications. A novel Plus One Adder design is proposed as an incremental adder in…

Hardware Architecture · Computer Science 2025-01-13 Omkar Kokane , Prabhat Sati , Mukul Lokhande , Santosh Kumar Vishvakarma

We developed a high-speed and low-noise time-domain current measurement scheme using a homemade GaAs high-electron-mobility-transistor-based cryogenic transimpedance amplifier (TIA). The scheme is versatile for broad cryogenic current…

Mesoscale and Nanoscale Physics · Physics 2024-09-10 Heorhii Bohuslavskyi , Masayuki Hashisaka , Takase Shimizu , Takafumi Akiho , Koji Muraki , Norio Kumada

Time Shaping of ultrashort visible pulses has been performed using a specially designed Acousto-Optic Programmable Dispersive Filter of 50% efficiency at the output of a two-stage noncollinear optical parametric amplifier. The set-up is…

Optics · Physics 2007-05-23 A. Monmayrant , A. Arbouet , B. Girard , B. Chatel , A. Barman , B. J. Whitaker , D. Kaplan

Transfer learning with pre-training on large-scale datasets has played an increasingly significant role in computer vision and natural language processing recently. However, as there exist numerous application scenarios that have…

Computer Vision and Pattern Recognition · Computer Science 2021-06-23 Xingyuan Bu , Junran Peng , Junjie Yan , Tieniu Tan , Zhaoxiang Zhang

In this paper we present AIDA, which is an active inference-based agent that iteratively designs a personalized audio processing algorithm through situated interactions with a human client. The target application of AIDA is to propose…

Audio and Speech Processing · Electrical Eng. & Systems 2022-03-09 Albert Podusenko , Bart van Erp , Magnus Koudahl , Bert de Vries

The Quantum Alternating Operator Ansatz (QAOA) is a hybrid classical-quantum algorithm that aims to sample the optimal solution(s) of discrete combinatorial optimization problems. We present optimized QAOA circuit constructions for sampling…

Quantum Physics · Physics 2023-12-04 Elijah Pelofske , Andreas Bärtschi , John Golden , Stephan Eidenbenz

All Control Systems that grow to any size have a variety of data that are stored in different formats on different nodes in the network. Examples include sensor value and status, archived sensor data, device oriented support data and…

Accelerator Physics · Physics 2007-05-23 Matthias Clausen , Ron MacKenzie , Robert Sass , Kenneth Underwood , Greg White

Internet-of-Things (IoT) devices are vulnerable to malware and require new mitigation techniques due to their limited resources. To that end, previous research has used periodic Remote Attestation (RA) or Traffic Analysis (TA) to detect…

Cryptography and Security · Computer Science 2025-02-24 Renascence Tarafder Prapty , Rahmadi Trimananda , Sashidhar Jakkamsetti , Gene Tsudik , Athina Markopoulou

The Adaptive Optics Lucky Imager (AOLI) is a new instrument under development to demonstrate near diffraction limited imaging in the visible on large ground-based telescopes. We present the adaptive optics system being designed for the…

The quantum approximate optimization algorithm (QAOA) is a hybrid quantum-classical algorithm for solving combinatorial optimization problems. Multi-angle QAOA (MA-QAOA), which assigns independent parameters to each Hamiltonian operator…

open Master Hearing Aid (openMHA) was developed and provided to the hearing aid research community as an open-source software platform with the aim to support sustainable and reproducible research towards improvement and new types of…

Audio and Speech Processing · Electrical Eng. & Systems 2022-01-25 Hendrik Kayser , Tobias Herzke , Paul Maanen , Max Zimmermann , Giso Grimm , Volker Hohmann

Silicon-organic hybrid integrated devices have emerging applications ranging from high-speed optical interconnects to photonic electromagnetic-field sensors. Silicon slot photonic crystal waveguides (PCWs) filled with electro-optic (EO)…

Over the years, access control systems have become more and more sophisticated and several security measures have been employed to combat the menace of insecurity of lives and property. This is done by preventing unauthorized entrance into…

Other Computer Science · Computer Science 2012-12-27 Sadeque Reza Khan

Implicit authentication (IA) transparently authenticates users by utilizing their behavioral data sampled from various sensors. Identifying the illegitimate user through constantly analyzing current users' behavior, IA adds another layer of…

Cryptography and Security · Computer Science 2021-10-07 Yingyuan Yang , Xueli Huang , Jiangnan Li , Jinyuan Sun