Results 61 to 70 of about 815,097 (318)
IEEE Photonics Journal, 2020 Broadband image-reject mixing using a dual-channel polarization-modulated photonic microwave phase shifter is proposed and experimentally demonstrated.
Yamei Zhang +6 more
doaj +1 more source
A microwave dielectric biosensor based on suspended distributed MEMS transmission lines [PDF]
, 2009 Design and characterization of a miniature microwave dielectric biosensor based on distributed microelectromechanical systems (MEMS) transmission lines (DMTL) is reported in this paper.
Li, Lijie +3 more
core +1 more source
High-Speed Photodetectors for Microwave Photonics
Applied Sciences, 2019 This paper reviews high-power photodiodes, waveguide photodetectors, and integrated photodiode-antenna emitters with bandwidths up to 150 GHz. Results from heterogeneous III-V photodiodes on silicon and Ge-on-Si photodiode arrays for analog applications ...
K. Sun, A. Beling
semanticscholar +1 more source
High-speed demodulation of weak fiber Bragg gratings based on microwave photonics and chromatic dispersion. [PDF]
Optics Letters, 2017 A high-speed demodulation technique based on microwave photonics and chromatic dispersion is proposed for distributed weak fiber Bragg gratings (FBGs). A broadband light modulated with a frequency-swept microwave is reflected by FBGs, and the reflected ...
Lei Zhou, Zhengying Li, Na Xiang, X. Bao
semanticscholar +1 more source
Nonlinear integrated microwave photonics [PDF]
2013 IEEE International Topical Meeting on Microwave Photonics (MWP), 2013 Harnessing nonlinear optical effects in a photonic chip scale has been proven useful for a number of key applications in optical communications. Microwave photonics can also benefit from the adoption of such a technology, creating a new concept of nonlinear integrated microwave photonics.
David Marpaung +3 more
openaire +2 more sources
Single‐Chromophore Homojunction Organic Solar Cells: A Path to Simplicity and Efficiency
Advanced Materials, EarlyView.This perspective discusses how the intrinsic optoelectronic properties of organic semiconductors, their molecular packing in the solid‐state, and internal energetic gradients within a device can enable free‐charge carrier generation in homojunction organic solar cells.
Shaun McAnally +2 more
wiley +1 more source
, 2017 We demonstrate the use of integrated micro-resonator based optical frequency comb sources as the basis for transversal filtering functions for microwave and radio frequency photonic filtering and advanced functions.Comment: 8 pages, 7 figures, 46 ...
Chu, Sai T. +7 more
core +1 more source
Orthogonal frequency-division multiplexing in wireless communication systems with multimode fiber feeds [PDF]
, 2001 The feasibility of using multimode fiber as an inexpensive cell feed in broad-band indoor picocellular systems is investigated in this paper. The performance of coded orthogonal frequency-division multiplexing (OFDM) for a variety of multimode fiber ...
Dixon, B.J., Iezekiel, S., Pollard, R.D.
core +1 more source
Counterion‐Controlled Photocatalytic Doping of Organic Semiconductors
Advanced Materials, EarlyView.Counterion size is shown to actively control photocatalytic doping in organic semiconductors. Small anions suppress aggregation of acridinium photocatalysts, enhance electron transfer, and dramatically increase doping efficiency. This simple strategy enables conductivities up to 2000 S cm−1 in benchmark polymers, revealing counterions as a powerful yet
Tiefeng Liu +16 more
wiley +1 more source
Communications EngineeringReconfigurable intelligent surfaces, comprised of passive tunable elements, are emerging as an essential device for upcoming millimeter wave and terahertz wireless systems. A fundamental aspect of the device involves the tuning technology used to achieve
Robin Neuder +3 more
doaj +1 more source