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Related papers: A Nonlinear Enhanced Microresonator Gyroscope

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Exceptional points, where eigenvalues and eigenvectors coalesce, impact the behavior of different photonics components that show, e.g., enhanced sensing, coherent perfect absorption, unidirectional lasing, and chirality. However, only a few…

Optics · Physics 2023-05-24 Riccardo Franchi , Stefano Biasi , Diego Piciocchi , Lorenzo Pavesi

The calibration of MEMS triaxial gyroscopes is crucial for achieving precise attitude estimation for various wearable health monitoring applications. However, gyroscope calibration poses greater challenges compared to accelerometers and…

Robotics · Computer Science 2024-06-11 Yaqi Li , Li Wang , Zhitao Wang , Xiangqing Li , Jiaojiao Li , Steven Weidong Su

Optical circulators are important components of modern day communication technology. With their ability to route photons directionally, these nonreciprocal elements provide useful functionality in photonic circuits and offer prospects for…

We demonstrate in open microcavities with broken chiral symmetry, quasi-degenerate pairs of co-propagating modes in a non-rotating cavity evolve to counter-propagating modes with rotation. The emission patterns change dramatically by…

Optics · Physics 2015-07-09 Raktim Sarma , Li Ge , Jan Wiersig , Hui Cao

This paper presents an efficient in-field calibration method tailored for low-cost triaxial MEMS gyroscopes often used in healthcare applications. Traditional calibration techniques are challenging to implement in clinical settings due to…

Systems and Control · Electrical Eng. & Systems 2024-08-16 Li Wang , Rob Duffield , Deborah Fox , Athena Hammond , Andrew J. Zhang , Wei Xing Zheng , Steven W. Su

We theoretically propose a scheme to perform rotation sensing in a Whispering-gallery-mode resonator setup. With the assistance of a large detuned two-level atom, which induces the effective coupling between clockwise and counterclockwise…

Quantum Physics · Physics 2022-03-14 Weijun Cheng , Zhihai Wang , Xiaoguang Wang

This work demonstrates the multifaceted dynamic motion and three-dimensional (3D) spatial manipulation of organic micro ring resonators (MRRs). The MRRs are fabricated via surface-tension-assisted self-assembly of…

Inertial sensors stimulate very large interest, not only for their application but also for fundamental physics tests. Ring laser gyros, which measure angular rotation rate, are certainly among the most sensitive inertial sensors, with…

General Relativity and Quantum Cosmology · Physics 2020-08-10 Angela D. V. Di Virgilio , Nicolò Beverini , Giorgio Carelli , Donatella Ciampini , Francesco Fuso , Enrico Maccioni

Magnetometers, gyroscopes and accelerometers are commonly used sensors in a variety of applications. The paper proposes a novel gyroscope calibration method in the homogeneous magnetic field by the help of magnetometer. It is shown that,…

Robotics · Computer Science 2017-07-25 Yuanxin Wu , Ling Pei

Earth rotation sensing has many applications in different disciplines, such as for the monitoring of ground motions, the establishment of UT1 and the test of the relativistic Lense-Thirring effect on the ground. We report the development of…

Instrumentation and Detectors · Physics 2019-06-26 K. Liu , F. L. Zhang , Z. Y. Li , X. H. Feng , K. Li , Z. H. Lu , K. U. Schreiber , J. Luo , J. Zhang

Gyroscope for rotation sensing plays a key role in inertial navigation systems. Developing more precise gyroscopes than the conventional ones bounded by classical shot-noise limit by using quantum resources has attracted much attention.…

Quantum Physics · Physics 2023-01-26 Lin Jiao , Jun-Hong An

Magnetic Faraday rotation is widely used in optics. In natural transparent materials, this effect is very weak. One way to enhance it is to incorporate the magnetic material into a periodic layered structure displaying a high-Q resonance.…

Optics · Physics 2008-06-19 Alex Figotin , Ilya Vitebskiy

We are presenting the design and the preliminary numerical and experimental analyses of two mismatched Coriolis vibratory gyroscopes incorporating nonlinear modal interaction. A novel double-H design includes two clamped-clamped beams and a…

Instrumentation and Detectors · Physics 2017-02-02 S. Amir Mousavi Lajimi , Navid Noori , Amr Marzouk , Behraad Bahreyni , Farid Golnaraghi

A number of weight anomalies have been reported in the past with respect to gyroscopes. Much attention was gained from a paper in Physical Review Letters, when Japanese scientists announced that a gyroscope loses weight up to $0.005\%$ when…

Instrumentation and Detectors · Physics 2015-08-25 I. Lőrincz , M. Tajmar

High performance microwave gyroscope (MG) is theoretically developed for the first time to our knowledge. MG is based on Sagnac effect in microwave ring resonator (RR), where a specially taylored phase shifter (PS) on the basis of surface…

Instrumentation and Detectors · Physics 2007-05-23 G. G. Karapetyan

Non-reciprocal devices, which allow the non-reciprocal signal routing, serve as the fundamental elements in photonic and microwave circuits and are crucial in both classical and quantum information processing. The radiation-pressure-induced…

The highly efficient coupling of light from conventional optical components to optical mode volumes lies in the heart of chip-based micro-devices, which is determined by the phase-matching between propagation constants of fiber taper and…

We study theoretically and numerically the effect of rotation on resonant frequencies of microcavities in a rotating frame of reference. Cavity rotation causes the shifts of the resonant frequencies proportional to the rotation rate if it…

Optics · Physics 2009-11-13 Satoshi Sunada , Takahisa Harayama

Linear mechanical oscillators have been applied to measure very small forces, mostly with the help of noise suppression. In contrast, adding noise to non-linear oscillators can improve the measurement conditions. Here, this effect of…

Optics · Physics 2009-11-13 F. Mueller , S. Heugel , L. J. Wang

The inability to efficiently tune the optical properties of waveguiding structures has been one of the major hurdles for the future scalability of integrated photonic systems. In silicon photonics, although dynamic tuning has been achieved…

Optics · Physics 2017-10-10 You-Chia Chang , Samantha P. Roberts , Brian Stern , Michal Lipson