English
Related papers

Related papers: Laser intracavity absorption magnetometry for opti…

200 papers

Ultra-stable, quasi-monochromatic laser light forms the basis for high-precision interferometric measurements, e.g. for observing gravitational waves and for time keeping with optical clocks. Optical frequency conversion enables access to…

Potentiostatic impedance spectroscopy (IS) is a well stablished characterization technique for elucidating the electric resistivity and capacitive features of materials and devices. In the case of solar cells, by applying a small voltage…

During the past decade, interest has grown significantly in developing ultrasensitive widefield diamond magnetometry for various applications. Despite attempts to improve the adoption of conventional frame-based sensors, achieving high…

Instrumentation and Detectors · Physics 2023-06-27 Zhiyuan Du , Madhav Gupta , Feng Xu , Kai Zhang , Jiahua Zhang , Yan Zhou , Yiyao Liu , Zhenyu Wang , Jorg Wrachtrup , Ngai Wong , Can Li , Zhiqin Chu

Laser intensity noise is a main limitation of measurement and sensing mission represented by gravitational wave detection. We develop a noise decomposition model and design the core elements of the feedback loop independently based on the…

Although conventional lasers operate with a large number of intracavity atoms, the lasing properties of a single atom in a resonant cavity have been theoretically investigated for more than a decade. Here we report the experimental…

Quantum Physics · Physics 2007-05-23 J. McKeever , A. Boca , A. D. Boozer , J. R. Buck , H. J. Kimble

We analyze systematic (classical) and fundamental (quantum) limitations of the sensitivity of optical magnetometers resulting from ac-Stark shifts. We show that in contrast to absorption-based techniques, the signal reduction associated…

Quantum Physics · Physics 2009-11-06 M. Fleischhauer , A. B. Matsko , M. O. Scully

Conventionally, human intuition defines vision as a modality of passive optical sensing, relying on ambient light to perceive the environment. However, active optical sensing, which involves emitting and receiving signals, offers unique…

Robotics · Computer Science 2026-02-27 Wei Gao , Jie Zhang , Mingle Zhao , Zhiyuan Zhang , Shu Kong , Maani Ghaffari , Dezhen Song , Cheng-Zhong Xu , Hui Kong

Loop closure detection is an essential and challenging problem in simultaneous localization and mapping (SLAM). It is often tackled with light detection and ranging (LiDAR) sensor due to its view-point and illumination invariant properties.…

Robotics · Computer Science 2020-10-13 Han Wang , Chen Wang , Lihua Xie

Plasmonics offer an exciting way to mediate the interaction between light and matter, allowing strong field enhancement and confinement, large absorption and scattering at resonance. However, simultaneous realization of ultra-narrow band…

Optics · Physics 2016-01-06 Zhengdong Yong , Senlin Zhang , Chengsheng Gong , Sailing He

The Laser Interferometer Space Antenna (LISA) is expected to provide the largest observational sample of binary systems of faint sub-solar mass compact objects, in particular white-dwarfs, whose radiation is monochromatic over most of the…

General Relativity and Quantum Cosmology · Physics 2009-11-10 A. Vecchio , E. D. L. Wickham

Integrated sensing and communication (ISAC) has been envisioned as a critical enabling technology for the next-generation wireless communication, which can realize location/motion detection of surroundings with communication devices. This…

Signal Processing · Electrical Eng. & Systems 2024-06-03 Yinxiao Zhuo , Tianqi Mao , Haojin Li , Chen Sun , Zhaocheng Wang , Zhu Han , Sheng Chen

The optical properties of silicon can be greatly tuned by applying strain and opening new perspectives, particularly in applications where infrared is key. In this work, we use a recent model for the indirect light absorption of silicon and…

A compact resonance ionization mass spectrometer is developed using two laser diodes and a quadrupole mass spectrometer to perform trace element analysis of potassium. With the help of a narrow linewidth of the laser diode, the isotope…

Atomic Physics · Physics 2010-11-29 Yoshihiro Iwata , Yoshizumi Inoue , Makoto Minowa

Nanomechanical spectroscopy (NMS) is a recently developed approach to determine optical absorption spectra of nanoscale materials via mechanical measurements. It is based on measuring changes in the resonance frequency of a membrane…

Advanced silicon photonic technologies enable integrated optical sensing and communication (IOSAC) in real time for the emerging application requirements of simultaneous sensing and communication for next-generation networks. Here, we…

Signal Processing · Electrical Eng. & Systems 2023-07-12 Xiangpeng Ou , Ying Qiu , Ming Luo , Fujun Sun , Peng Zhang , Gang Yang , Junjie Li , Jianfeng Gao , Xiaobin He , Anyan Du , Bo Tang , Bin Li , Zichen Liu , Zhihua Li , Ling Xie , Xi Xiao , Jun Luo , Wenwu Wang , Jin Tao , Yan Yang

The Laser Interferometer Space Antenna (LISA) is a proposed space mission for the detection of gravitational waves. It consists of three drag-free satellites flying in a triangular constellation. A gravitational reference sensor is used in…

Instrumentation and Methods for Astrophysics · Physics 2013-02-08 Andreas Zoellner , Eric Hultgren , Ke-Xun Sun

This paper reviews the state of art technology of laser induced breakdown spectroscopy (LIBS). Research on LIBS is gaining momentum in the field of instrumentation and data analysis technique due to its wide application in various field…

Optics · Physics 2014-07-02 V. N. Rai

Point defects in solids promise precise measurements of various quantities. Especially magnetic field sensing using the spin of point defects has been of great interest recently. When optical readout of spin states is used, point defects…

Inertial sensors based on cold atom interferometry exhibit many interesting features for applications related to inertial navigation, particularly in terms of sensitivity and long-term stability. However, at present the typical atom…

This paper investigates an intelligent reflecting surface (IRS) aided millimeter-wave integrated sensing and communication (ISAC) system. Specifically, based on the passive beam scanning in the downlink, the IRS finds the optimal beam for…

Information Theory · Computer Science 2023-07-04 Renwang Li , Xiaodan Shao , Shu Sun , Meixia Tao , Rui Zhang