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In this study, an integrated low-cost and complexity mm-wave structure of Whispering Gallery Mode (WGM) is proposed for sensing the glucose levels in mimicking aquatic solutions of concentrations similar to type 2 diabetics. The bio-sensor…

Applied Physics · Physics 2019-09-30 Ala Eldin Omer , George Shaker , Safieddin Safavi-Naeini

Quantum sensing takes advantage of well controlled quantum systems for performing measurements with high sensitivity and precision. We have implemented a concept for quantum sensing with arbitrary frequency resolution, independent of the…

Quantum Physics · Physics 2017-06-07 J. M. Boss , K. S. Cujia , J. Zopes , C. L. Degen

Quantitative phase microscopy (QPM) and interferometric scattering (iSCAT) microscopy are powerful label-free imaging techniques and are widely used for biomedical applications. Each method, however, possesses distinct limitations: QPM,…

Optics · Physics 2025-03-20 Kohki Horie , Keiichiro Toda , Takuma Nakamura , Takuro Ideguchi

High order modulation formats constitute the most prominent way for increasing spectral efficiency in transmission systems. Coherent transceivers that support such higher order formats require heavy digital signal processing (DSP), which…

The longwave infrared (LWIR) region of the spectrum spans 8 to 14 {\mu}m and enables high-performance sensing and imaging for detection, ranging, and monitoring. Chip-scale integrated LWIR photonics has enormous potential for real-time…

Optics · Physics 2021-11-02 Dingding Ren , Chao Dong , David Burghoff

Micro-mechanical resonators are widely used in modern sensing technology due to their high quality-factor (Q), enabling sensitive detection of various stimuli. However, the performance of these resonators in fluid environments is limited by…

Instrumentation and Detectors · Physics 2023-12-11 Sri Harsha Paladugu , Kaustav Roy , Anuj Ashok , Bibhas Nayak , Annapoorni Rangarajan , Rudra Pratap

Genetic analysis methods are foundational to advancing personalized and preventative medicine, accelerating disease diagnostics, and monitoring the health of organisms and ecosystems. Current nucleic acid technologies such as polymerase…

In this paper, an architecture designed for electrical measurement of the quality factor of MEMS resonators is proposed. An estimation of the measurement performance is made using PSPICE simulations taking into account the component's…

Other Computer Science · Computer Science 2008-02-27 H. Mathias , F. Parrain , J. -P. Gilles , S. Megherbi , M. Zhang , Ph. Coste , A. Dupret

Motivation: Microsatellite instability (MSI) is a cancer biomarker associated with cancer prognosis and chemotherapy sensitivity. Since the discovery of MSI, polymerase chain reaction (PCR)-based testing has been considered the gold…

Genomics · Quantitative Biology 2023-04-17 Ji Detao , Liu Weier

Magnetometers based on quantum mechanical processes enable high sensitivity and long-term stability without the need for re-calibration, but their integration into fieldable devices remains challenging. This paper presents a CMOS quantum…

Applied Physics · Physics 2020-07-23 Mohamed I. Ibrahim , Christopher Foy , Dirk R. Englund , Ruonan Han

Nanoelectromechanical systems (NEMS) have generated considerable interest as inertial mass sensors. NEMS resonators have been used to weigh cells, biomolecules, and gas molecules, creating many new possibilities for biological and chemical…

Mesoscale and Nanoscale Physics · Physics 2012-04-13 J. Chaste , A. Eichler , J. Moser , G. Ceballos , R. Rurali , A. Bachtold

This paper presents a low power ECG recording Sys-tem-on-Chip (SoC) with on-chip low complexity lossless ECG compression for data reduction in wireless/ambulatory ECG sensor devices. The proposed algorithm uses a linear slope predictor to…

Hardware Architecture · Computer Science 2014-07-22 C. J. Deepu

Contact-free detection of human vital signs like heart rate and respiration rate will improve the patients' comfort and enables long-term monitoring of newborns or bedridden patients. For that, reliable and safe measurement techniques are…

Medical Physics · Physics 2020-07-28 Roman Kusche , Fabian John , Marco Cimdins , Horst Hellbrueck

Over the past few years, microelectromechanical system (MEMS) based on-chip resonators have shown significant potential for sensing and high frequency signal processing applications. This is due to their excellent features like small size,…

Other Computer Science · Computer Science 2013-01-15 Joydeep Basu , Tarun Kanti Bhattacharyya

The industry of wearable remote health monitoring system keeps growing. In the diagnosis of cardiovascular disease, Electrocardiography~(ECG) waveform is one of the major tools which is thus widely taken as the monitoring objective. For the…

Information Theory · Computer Science 2017-04-07 Pengda Huang

There is an increasing demand for precise molecular spectroscopy, in particular in the mid-infrared fingerprint window that hosts a considerable number of vibrational signatures, whether it be for modeling our atmosphere, interpreting…

Interferometric scattering microscopy has been a very promising technology for highly sensitive label-free imaging of a broad spectrum of biological nanoparticles from proteins to viruses in a high-throughput manner. Although it can reveal…

Optics · Physics 2021-08-11 Celalettin Yurdakul , Haonan Zong , Yeran Bai , Ji-Xin Cheng , M. Selim Unlu

We report on the design and performance of a cryogenic (300 mK) near-field scanning microwave microscope. It uses a microwave resonator as the near-field sensor, operating at a frequency of 6 GHz and microwave probing amplitudes down to 100…

Mesoscale and Nanoscale Physics · Physics 2014-04-03 S. E. de Graaf , A. V. Danilov , A. Adamyan , S. E. Kubatkin

We develop a compact whispering-gallery-mode (WGM) sensing system by integrating multiple components, including a tunable laser, a temperature controller, a function generator, an oscilloscope, a photodiode detector, and a testing computer,…

Optics · Physics 2016-11-23 Xiangyi Xu , Xuefeng Jiang , Guangming Zhao , Lan Yang

Label-free imaging of rapidly moving, sub-diffraction sized structures has important applications in both biology and material science, as it removes the limitations associated with fluorescence tagging. However, unlabeled nanoscale…