Results 21 to 30 of about 723,186 (293)

Acceleration of optical coherence tomography signal processing by multi-graphics processing units [PDF]

Journal of Innovative Optical Health Sciences, 2014
A multi-GPU system designed for high-speed, real-time signal processing of optical coherence tomography (OCT) is described herein. For the OCT data sampled in linear wave numbers, the maximum processing rates reached 2.95 MHz for 1024-OCT and 1.96 MHz ...
Xiqi Li, Guohua Shi, Ping Huang, Yudong Zhang   +3 more
doaj   +1 more source

Quantum optical signal processing in diamond

, 2015
Controlling the properties of single photons is essential for a wide array of emerging optical quantum technologies spanning quantum sensing, quantum computing, and quantum communications. Essential components for these technologies include single photon
Bustard, Philip J., England, Duncan. G., Fisher, Kent A. G., MacLean, Jean-Philippe W., Resch, Kevin J., Sussman, Benjamin J.   +5 more
core   +1 more source

120 km Long-distance Distributed Optical Fiber Vibration Sensing System

Guangtongxin yanjiu, 2021
Aiming at the application of ultra-long-distance monitoring in scenarios such as power transmission lines, this article uses Raman amplification and heterodyne detection based on a distributed optical fiber phase sensitive Optical Time Domain ...
Shen JIN, Wei SONG, Chun YANG, Tong-you YANG, Shu-hua LI   +4 more
doaj   +1 more source

Bistability patterns and nonlinear switching with very high contrast ratio in a 1550 nm quantum dash semiconductor laser [PDF]

, 2012
We report on the experimental observation of optical bistability (OB) and nonlinear switching (NS) in a nanostructure laser; specifically a 1550 nm quantum dash Fabry-Perot laser subject to external optical injection and operated in reflection. Different
A. Hurtado, Hayau J. F., I. D. Henning, Kawaguchi H., L. F. Lester, M. J. Adams, M. Nami   +6 more
core   +1 more source

Concurrent Direct Inter-ONU and Upstream Communications in IMDD PONs Incorporating P2MP Flexible Optical Transceivers and Advanced Passive Remote Nodes

Photonics
Driven by a large number of emerging diversified services, in the 5G and beyond era, concurrent direct inter-ONU and upstream communications inside a PON-based mobile access network are highly desirable to provide dynamic, ultra-dense, and fast ONU-to ...
Wei Jin, Lin Chen, Jiaxiang He, Roger Philip Giddings, Yi Huang, Ming Hao, Md. Saifuddin Faruk, Xingwen Yi, Tingyun Wang, Jianming Tang   +9 more
doaj   +1 more source

SNR enhancement through phase dependent signal reconstruction algorithms for phase separated interferometric signals [PDF]

, 2007
We report several signal reconstruction algorithms for processing phase separated homodyne interferometric signals. Methods that take advantage of the phase of the signal are experimentally shown to achieve a signal-to-noise ratio (SNR) improvement of up
McDowell, Emily J., Sarunic, Marinko V., Yang, Changhuei, Yaqoob, Zahid   +3 more
core   +1 more source

The MedSupport Multilevel Intervention to Enhance Support for Pediatric Medication Adherence: Development and Feasibility Testing

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Introduction We developed MedSupport, a multilevel medication adherence intervention designed to address root barriers to medication adherence. This study sought to explore the feasibility and acceptability of the MedSupport intervention strategies to support a future full‐scale randomized controlled trial.
Elizabeth G. Bouchard, Hital Patel, Paula C. Vincent, Justine Kahn, Kira Bona, Thai Hoa Tran, Elisa M. Rodriguez, Kristopher Attwood, Kara M. Kelly   +8 more
wiley   +1 more source

Simple planar Bragg grating devices for photonic Hilbert transform

, 2010
Hilbert transformers are important devices widely used in information processing and signal analysis in the electronic domain. For example, for spectral efficiency improvement, it is used to construct the analytic signal for single sideband (SSB ...
Gates, J.C., Holmes, C., Rogers, H.L., Sima, C., Smith, P.G.R., Snow, B.D., Zervas, M.N.   +6 more
core   +1 more source

DELP Treatment on Vision and Retinal Microcirculation in Patients With Acute Ischemic Stroke: Report of Five Cases and Literature Review

Therapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background The delipid extracorporeal lipoprotein filter from plasma (DELP) treatment can effectively reduce blood lipid, increase blood flow, and improve neurological deficits in patients with acute ischemic stroke (AIS). However, its effect on vision and retinal microcirculation in stroke patients has never been reported.
Ning Li, Ronghua Hong, Hua You, Feiping Xu, Qingjun Zhang, Yiwen Lin, Yuting Su, Danmei Lan, Lingjing Jin, Junhui She   +9 more
wiley   +1 more source

Optical Logic Gates Excited by a Gauss Vortex Interference Beam Based on Spatial Self-Phase Modulation in 2D MoS₂

Nanomaterials, 2023
Vortex beams with optical orbital angular momentum have broad prospects in future high-speed and large-capacity optical communication. In this investigation of materials science, we found that low-dimensional materials have feasibility and reliability in
Xueyu Chen, Ge Ding, Linwei Tang, Haijian Zou, Chaofeng Wang, Shuqing Chen, Chenliang Su, Ying Li   +7 more
doaj   +1 more source