Results 11 to 20 of about 14,850,784 (326)
Low-noise GaAs quantum dots for quantum photonics [PDF]
Nature Communications, 2020 Quantum dots are both excellent single-photon sources and hosts for single spins. This combination enables the deterministic generation of Raman-photons—bandwidth-matched to an atomic quantum-memory—and the generation of photon cluster states, a resource
L. Zhai +8 more
semanticscholar +1 more source
An aerosol deposition based MEMS piezoelectric accelerometer for low noise measurement
Microsystems & Nanoengineering, 2023 Potentially applied in low-noise applications such as structural health monitoring (SHM), a 1-axis piezoelectric MEMS accelerometer based on aerosol deposition is designed, fabricated, simulated, and measured in this study.
Xuewen Gong +4 more
semanticscholar +1 more source
Low-noise frequency-agile photonic integrated lasers for coherent ranging
Nature Communications, 2022 Frequency modulated continuous wave laser ranging (FMCW LiDAR) enables distance mapping with simultaneous position and velocity information, is immune to stray light, can achieve long range, operate in the eye-safe region of 1550 nm and achieve high ...
G. Lihachev +12 more
semanticscholar +1 more source
A low-noise photonic heterodyne synthesizer and its application to millimeter-wave radar
Nature Communications, 2021 Microwave photonics offers transformative capabilities for ultra-wideband electronic signal processing and frequency synthesis with record-low phase noise levels.
E. Kittlaus +6 more
semanticscholar +1 more source
Physics-Based Noise Modeling for Extreme Low-Light Photography [PDF]
IEEE Transactions on Pattern Analysis and Machine Intelligence, 2021 Enhancing the visibility in extreme low-light environments is a challenging task. Under nearly lightless condition, existing image denoising methods could easily break down due to significantly low SNR.
Kaixuan Wei +3 more
semanticscholar +1 more source
Low-Cutoff Frequency Reduction in Neural Amplifiers: Analysis and Implementation in CMOS 65 nm
Frontiers in Neuroscience, 2021 Scaling down technology demotes the parameters of AC-coupled neural amplifiers, such as increasing the low-cutoff frequency due to the short-channel effects. To improve the low-cutoff frequency, one solution is to increase the feedback capacitors' value.
Fereidoon Hashemi Noshahr +5 more
doaj +1 more source
Noise-optimized ultrastable low-noise current amplifier [PDF]
Review of Scientific Instruments, 2019 We have developed a noise-optimized ultrastable low-noise current amplifier (ULCA) aimed at reducing the uncertainty at low currents. It involves a thin-film resistor network with 6.75 GΩ at the high-ohmic path which reduces the noise level to 1.6 fA/Hz. Noise investigations as well as short-term and long-term stability studies were carried out.
C. Krause +3 more
openaire +2 more sources
Design of a Differential Low-Noise Amplifier Using the JFET IF3602 to Improve TEM Receiver
Micromachines, 2022 The observed data of transient electromagnetic (TEM) systems is often contaminated by various noises. Even after stacking averages or applying various denoising algorithms, the interference of the system noise floor cannot be eliminated fundamentally ...
Shengjie Wang +5 more
doaj +1 more source
Photonic chip-based low-noise microwave oscillator. [PDF]
Nature, 2023 Numerous modern technologies are reliant on the low-phase noise and exquisite timing stability of microwave signals. Substantial progress has been made in the field of microwave photonics, whereby low-noise microwave signals are generated by the down ...
Kudelin I +31 more
europepmc +3 more sources
Printable Organic PIN Phototransistor and Its Application for Low Power and Noise Imaging Detection
IEEE Photonics Journal, 2022 The power consumption and the opto-electric noise of organic photo-detectors are the challenges for large-scale detecting and imaging applications to surpass.
Zhi Tao +6 more
doaj +1 more source