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Preparing a massive mechanical resonator in a state with quantum limited motional energy provides a promising platform for studying fundamental physics with macroscopic systems and allows to realize a variety of applications, including…

Quantum Physics · Physics 2023-08-08 Jingkun Guo , Jin Chang , Xiong Yao , Simon Gröblacher

An analog integrated circuit has been designed, in a BiCMOS 0.8 micron technology, for the feasability study of the signal processing of the AMS RICH photomultiplier tubes. This low power, three channel gated integrator includes its own…

Instrumentation and Detectors · Physics 2015-06-26 A. Barrau , L. Gallin-Martel , J. Pouxe , O. Rossetto

We present an experimental unit that realizes the ``multi-input, multi-output manifold'' thermal management technology proposed by Lamarre & Raymond (2023). The proposed setup can be used for experiments aimed at controlling spatiotemporal…

PiEEG kit is a multifunctional, compact, and mobile device that allows measure EEG, EMG, EOG, and EKG signals. The PiEEG Box incorporates the Raspberry Pi-based PiEEG shield, an EEG electrode cap, a display screen, additional sensors about…

Signal Processing · Electrical Eng. & Systems 2025-03-19 Ildar Rakhmatulin

Laser cooling is a fundamental technique used in primary atomic frequency standards, quantum computers, quantum condensed matter physics and tests of fundamental physics, among other areas. It has been known since the early 1990s that laser…

Engineering quantum particle systems, such as quantum simulators and quantum cellular automata, relies on full coherent control of quantum paths at the single particle level. Here we present an atom interferometer operating with single…

Recent advances in the preparation, control and measurement of atomic gases have led to new insights into the quantum world and unprecedented metrological sensitivities, e.g. in measuring gravitational forces and magnetic fields. The full…

Quantum Physics · Physics 2017-04-07 R. Saint , W. Evans , Y. Zhou , T. M. Fromhold , E. Saleh , I. Maskery , C. Tuck , R. Wildman , F. Oručević , P. Krüger

Portable mid-infrared (mid-IR) spectroscopy and sensing applications require widely tunable, narrow linewidth, chip-scale, single-mode sources without sacrificing significant output power. However, no such lasers have been demonstrated…

We demonstrate programmable control over the spatial distribution of ultra-cold atoms confined in an optical lattice. The control is facilitated through a combination of spatial manipulation of the magneto-optical trap and atomic population…

A single-seed, module-based compact laser system is demonstrated on a transportable $^{87}\text{Rb}$-based high-precision atomic gravimeter. All the required laser frequencies for the atom interferometry are provided by free-space…

Atomic Physics · Physics 2022-10-24 Fong En Oon , Rainer Dumke

Environmental noise coupling to mechanical experiments often introduces low-frequency fluctuations to the resonators, adding noise to measurements and reducing signal to noise. To counter these fluctuations, we demonstrate a dynamic…

Instrumentation and Detectors · Physics 2023-07-13 J. P. van Soest , C. A. Potts , S. Peiter , A. Sanz Mora , G. A. Steele

Reducing the size and complexity of high-performance timekeeping devices is an ever-growing need for various applications, such as 6G wireless technology, positioning, navigation and timing (PNT), Internet of Things (IoT), and ultrafast…

Atomic Physics · Physics 2025-08-20 Qiang Hao , Shaojie Yang , Peter Yun , Jun Ruan , Shougang Zhang

The optical readout scheme for the length degrees of freedom of the LCGT interferometer is proposed. The control scheme is compatible both with the broadband and detuned operations of the interferometer. Interferometer simulations using a…

General Relativity and Quantum Cosmology · Physics 2015-06-03 Yoichi Aso , Kentaro Somiya , Osamu Miyakawa

We present dimensional circuit synthesis, a new method for generating digital logic circuits that improve the efficiency of training and inference of machine learning models from sensor data. The hardware accelerators that the method…

Hardware Architecture · Computer Science 2020-02-05 Vasileios Tsoutsouras , Max Vigdorchik , Phillip Stanley-Marbell

Fine-grained power monitoring of software activities becomes unavoidable to maximize the power usage efficiency of data centers. In particular, achieving an optimal scheduling of containers requires the deployment of software-defined…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-06-28 Guillaume Fieni , Romain Rouvoy , Lionel Seinturier

We demonstrate a cost-effective, fully software-based lock-in amplifier (LIA) implemented on a commercial computer. The device is designed for application in nonlinear spectroscopy, such as transient absorption and coherent…

Instrumentation and Detectors · Physics 2021-08-10 Daniel Uhl , Lukas Bruder , Frank Stienkemeier

Scalable quantum technologies will present challenges for characterizing and tuning quantum devices. This is a time-consuming activity, and as the size of quantum systems increases, this task will become intractable without the aid of…

The digital phase lock loop described in this paper has been in use on the Submillimeter Array (SMA) front-end receivers for over a decade and has been a key element in obtaining all of the high quality images that have been published from…

Instrumentation and Methods for Astrophysics · Physics 2015-03-17 Todd R. Hunter , Robert Kimberk , Patrick Steve Leiker , Cheuk-Yu Edward Tong , Robert W. Wilson

The engineering space for magnetically manipulated biomedical microrobots is rapidly expanding. This includes synthetic, bioinspired, and biohybrid designs, some of which may eventually assume clinical roles aiding drug delivery or…

Instrumentation and Detectors · Physics 2023-04-25 Michael G. Christiansen , Lucien Stöcklin , Cameron Forbrigger , Shashaank Abhinav Venkatesh , Simone Schuerle

Guided-wave plasmonic circuits are promising platforms for sensing, interconnection, and quantum applications in the sub-diffraction regime. Nonetheless, the loss-confinement trade-off remains a collective bottleneck for plasmonic-enhanced…

Optics · Physics 2020-11-12 Charles Lin , Pohan Chang , Yiwen Su , Amr S Helmy
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