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Word alignment is essential for the downstream cross-lingual language understanding and generation tasks. Recently, the performance of the neural word alignment models has exceeded that of statistical models. However, they heavily rely on…

Computation and Language · Computer Science 2022-05-11 Di Wu , Liang Ding , Shuo Yang , Mingyang Li

This paper presents a novel heterodyne grating interferometer designed to meet the precise measurement requirements of next-generation lithography systems and large-scale atomic-level manufacturing. Utilizing a dual-frequency light source,…

We have designed a plenoptic sensor to retrieve phase and amplitude changes resulting from a laser beam's propagation through atmospheric turbulence. Compared with the commonly restricted domain of (-pi, pi) in phase reconstruction by…

Optics · Physics 2023-07-19 Chensheng Wu , Jonathan Ko , Christopher C. Davis

We present a concept of a millimeter wavefront sensor that allows real-time sensing of the surface of a ground-based millimeter/submillimeter telescope. It is becoming important for ground-based millimeter/submillimeter astronomy to make…

In order to meet the theoretically achievable imaging performance, calibration of modern radio interferometers is a mandatory challenge, especially at low frequencies. In this perspective, we propose a novel parallel iterative…

Instrumentation and Methods for Astrophysics · Physics 2016-09-09 Martin Brossard , Mohammed Nabil El Korso , Marius Pesavento , Rémy Boyer , Pascal Larzabal , Stefan J. Wijnholds

We report a very high precision interferometric sensor with resolution up to ~{\lambda}/1024, exploiting hollow photonic bandgap waveguide-based geometry for the first time. Here sensing has been measured by a complete switching in the…

Optics · Physics 2020-05-12 Snehashis Sadhukhan , Arnab Laha , Abhijit Biswas , Somnath Ghosh

Compact interferometers, called phasemeters, make it possible to operate over a large range while ensuring a high resolution. Such performance is required for the stabilization of large instruments dedicated to experimental physics such as…

Instrumentation and Methods for Astrophysics · Physics 2018-12-03 Jennifer Watchi , Sam Cooper , Binlei Ding , Conor M. Mow-Lowry , Christophe Collette

IF (Imbert--Fedorov) shifts which refers to a transverse micro-displacement occurs at the interface between two media. The estimation of such micro-displacement enables a deeper understanding of light-matter interactions. In this paper, we…

Quantum Physics · Physics 2023-07-04 Chen Yuetao , Chen Gaiqing , Luo MengMeng , Chang Shoukang , Gao Shaoyan

In this paper, we introduce a sensor designed for integration in robot fingers, where it can provide information on the displacements induced by external contact. Our sensor uses LEDs to sense the displacement between two plates connected…

Robotics · Computer Science 2026-02-04 Amr El-Azizi , Sharfin Islam , Pedro Piacenza , Kai Jiang , Ioannis Kymissis , Matei Ciocarlie

We demonstrate a closed-loop light-pulse atom interferometer inertial sensor that can realize continuous decoupled measurements of acceleration and rotation rate. The sensor operates with double-loop atom interferometers, which share the…

Atomic Physics · Physics 2024-04-16 Zhi-Xin Meng , Pei-Qiang Yan , Sheng-Zhe Wang , Xiao-Jie Li , Hong-bo Xue , Yan-Ying Feng

We propose MisMatch, a novel consistency-driven semi-supervised segmentation framework which produces predictions that are invariant to learnt feature perturbations. MisMatch consists of an encoder and a two-head decoders. One decoder…

Computer Vision and Pattern Recognition · Computer Science 2022-04-05 Mou-Cheng Xu , Yu-Kun Zhou , Chen Jin , Stefano B Blumberg , Frederick J Wilson , Marius deGroot , Daniel C. Alexander , Neil P. Oxtoby , Joseph Jacob

We report on the experimental demonstration of a horizontal accelerometer based on atom interferometry using counterpropagative Raman transitions between the states $F=1,m_F=\mp1$ and $F=2,m_F=\pm1$ of $^{87}$Rb. Compared to the $F=1,m_F=0…

We propose a design for a superconducting nonlinear interferometer operating at microwave frequencies which allows the measurement of the optical nonlinearity \eta, with a precision which scales better than the Heisenberg-like limit as…

Quantum Physics · Physics 2011-03-24 Dian Wahyu Utami , Stojan Rebic , Jason Twamley

Accurate measurements of the nanoscale electromechanical coupling in materials, including piezo and ferroelectrics, twisted 2D layers, and biological systems is of both fundamental scientific and applied importance. Piezoresponse Force…

Mesoscale and Nanoscale Physics · Physics 2023-10-10 Roger Proksch , Ryan Wagner , Joel Lefever

Equal-arm interferometric detectors of gravitational radiation allow phase measurements many orders of magnitude below the intrinsic phase stability of the laser injecting light into their arms. This is because the noise in the laser light…

General Relativity and Quantum Cosmology · Physics 2021-03-25 Massimo Tinto , Sanjeev V. Dhurandhar

We present an interferometric inertial sensor that utilizes two counter-propagating atomic beams with transverse two-dimensional cooling. By employing three parallel and spatially aligned Raman laser beams for Doppler-sensitive Raman…

Atomic Physics · Physics 2025-07-29 Pei-Qiang Yan , Wei-Chen Jia , Ke Shen , Yue Xin , Yan-Ying Feng

We summarize the R&D activities on a novel semitransparent microstrip sensor to be used on laser-based alignment systems for silicon trackers. The new sensor is used both for particle tracking and laser detection. The aim of this research…

This paper presents a miniature tension sensor using a photo-reflector, designed for compact tendon-driven grippers and robotic hands. The proposed sensor has a small form factor of 13~mm x 7~mm x 6.5~mm and is capable of measuring tensile…

Robotics · Computer Science 2025-07-02 Hyun-Bin Kim , Kyung-Soo Kim

Cold-atom interferometry is a powerful tool for high-precision measurements of the quantum properties of atoms, many-body interactions and gravity. Further enhancement of sensitivity and reduction of complexity of these devices are crucial…

Atomic Physics · Physics 2012-02-23 Jovana Petrovic , Ivan Herrera , Pietro Lombardi , Francesco S. Cataliotti

This paper investigates a case study on measuring and controlling the first-order degree of spatial coherence under different coupling adjustments in the storage ring. The experimental findings are consistent with the predicted inverse…

Accelerator Physics · Physics 2026-04-30 Y. Y. Sigari , N. A. Simonson , N. Appathurai , R. Castle , B. D. Moreno , S. Saadat , J. Wang , J. M. Vogt , M. J. Boland