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We report on a compact, highly sensitive all-fiber accelerometer suitable for low frequency and low amplitude vibration sensing. The sensing elements in the device are two short segments of strongly coupled asymmetric multicore fiber (MCF)…

The advantage of an ultra-fast frequency-tunability of spin-torque nano-oscillators (STNOs) that have large (> 100MHz) relaxation frequency of amplitude fluctuations is exploited to realize ultra-fast wide-band time-resolved spectral…

Performant on-chip spectrometers are important for advancing sensing technologies, from environmental monitoring to biomedical diagnostics. As device footprints approach the scale of the operating wavelength, previously strategies,…

The integrated optical circuit is a promising architecture for the realization of complex quantum optical states and information networks. One element that is required for many of these applications is a high-efficiency photon detector…

Self-assembled semiconductor quantum dots show remarkable optical and spin coherence properties, which have lead to a concerted research effort examining their potential as a quantum bit for quantum information science1-6. Here, we present…

Mesoscale and Nanoscale Physics · Physics 2012-07-20 A. N. Vamivakas , Y. Zhao , S. Falt , A. Badolato , J. M. Taylor , M. Atature

In this work, we develop a nanoscale magnetic field sensor based on a spin-Hall nano-oscillator (SHNO) device. We fabricate constriction-based SHNO devices using Ni$_{81}$Fe$_{19}$/Au$_{0.25}$Pt$_{0.75}$ bilayer and use them to demonstrate…

Mesoscale and Nanoscale Physics · Physics 2023-03-07 Yanyou Xie , Hil Fung Harry Cheung , Gregory D. Fuchs

We demonstrate a multipurpose microwave frequency identification solution that is implemented based on a photonic integrated chip and is able to identify different types of microwave signals, including single-frequency, multiple-frequency,…

Applied Physics · Physics 2018-08-03 Xu Wang , Feng Zhou , Dingshan Gao , Jinran Qie , Xi Xiao , Jianji Dong , Xinliang Zhang

Incorporating a variable capacitance diode into a radio-frequency matching circuit allows us to in-situ tune the resonance frequency of an RF quantum point contact, increasing the versatility of the latter as a fast charge sensor of a…

Mesoscale and Nanoscale Physics · Physics 2010-11-19 Thomas Müller , Bruno Küng , Paul Studerus , Sarah Hellmüller , Klaus Ensslin , Thomas Ihn , Matthias Reinwald , Werner Wegscheider

Radio frequency (RF) fingerprint technology is utilized for wireless device identification, extensively employed in the internet of things (IoT). The operating environment for IoT devices is challenging, with pervasive noise and distortion…

Signal Processing · Electrical Eng. & Systems 2024-12-19 Junxian Shi , Linning Peng , Wentao Jing , Lingnan Xie , Haichuan Peng , Aiqun Hu

Nanoelectromechanical resonators have been successfully used for a variety of sensing applications. Their extreme resolution comes from their small size at the cost of low capture area, making the "needle in a haystack" issue acute. This…

Diverse applications in photonics and microwave engineering require a means of measurement of the instantaneous frequency of a signal. A photonic implementation typically applies an interferometer equipped with three or more output ports to…

Ultrafast, high quantum efficiency single photon detectors are among the most sought-after elements in modern quantum optics and quantum communication. High photon detection efficiency is essential for scalable measurement-based quantum…

Optics · Physics 2015-05-30 W. Pernice , C. Schuck , O. Minaeva , M. Li , G. N. Goltsman , A. V. Sergienko , H. X. Tang

We report on amplitude and phase imaging of out-of-plane sinusoidal surface vibration at nanometer scales with a heterodyne holographic interferometer. The originality of the proposed method is to make use of a multiplexed local oscillator…

A novel photonics-based RF reception approach is proposed as a competitive solution to meet the current challenges of photonic-based approaches and to realize high performances at the same time. The proposed approach adopts the…

Applied Physics · Physics 2021-08-16 Guangyu Gao , Qijun Liang , Ziyu Liu , Huanfa Peng , Qiang Zhao , Naijin Liu

To enable user diversity and multiplexing gains, a fully digital precoding multiple input multiple output (MIMO) architecture is typically applied. However, a large number of radio frequency (RF) chains make the system unrealistic to…

Signal Processing · Electrical Eng. & Systems 2019-12-02 Tongyang Xu , Christos Masouros , Izzat Darwazeh

Compact, high-precision inertial sensors are needed to isolate many modern physics experiments from disturbances caused by seismic motion. We present a novel inertial sensor whose mechanical oscillator fits on a standard one-inch diameter…

Instrumentation and Detectors · Physics 2024-08-13 Jonathan J Carter , Pascal Birckigt , Oliver Gerberding , Sina M. Koehlenbeck

Temperature-based radiation detectors are an essential tool for long optical wavelengths detection even if they often suffer from important bandwidth limitations. Their responsivity, and hence their noise equivalent power (NEP), typically…

Ultra-fast spectrum analysis concept based on rapidly tuned spintronic nano-oscillators has been under development for the last few years and has already demonstrated promising results. Here, we demonstrate an ultra-fast microwave spectrum…

Mesoscale and Nanoscale Physics · Physics 2024-11-07 Pankhuri Gupta , Artem Litvinenko , Akash Kumar , Pranaba Kishor Muduli , Johan Åkerman

We use the strong intrinsic non-linearity of a microwave superconducting qubit with a 4 GHz transition frequency to directly detect and control the energy of a micro-mechanical oscillator vibrating at 25 MHz. The qubit and the oscillator…

Mesoscale and Nanoscale Physics · Physics 2018-10-31 Jeremie J. Viennot , Xizheng Ma , Konrad W. Lehnert

Advances in nanomechanics within recent years have demonstrated an always expanding range of devices, from top-down structures to appealing bottom-up MoS$_2$ and graphene membranes, used for both sensing and component-oriented applications.…