Results 31 to 40 of about 47,152 (263)

A microwave dielectric biosensor based on suspended distributed MEMS transmission lines [PDF]

open access: yes, 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

Integrated Microwave Photonic Filters [PDF]

open access: yesOptical Fiber Communication Conference (OFC) 2021, 2020
Microwave signal filtering is a fundamental and central functionality in radio frequency systems. We review the principles, architectures, and superior performance of emerging integrated microwave photonic filters enabled by on-chip linear and nonlinear photonic devices.
Yang Liu   +3 more
openaire   +2 more sources

Multiple RF carrier distribution in a hybrid radio/fiber system employing a self-pulsating laser diode transmitter [PDF]

open access: yes, 2002
A self-pulsating laser diode is used to generate a multicarrier microwave optical signal for use in a hybrid radio/fiber system. The self-pulsation frequency of the laser is controlled by external light injection, and can be varied between 14-24 GHz. The
Anandarajah, Prince M.   +2 more
core   +1 more source

Movement Detection in Soft Robotic Gripper Using Sinusoidally Embedded Fiber Optic Sensor

open access: yesSensors, 2020
Soft robotics is an emerging field, since it offers distinct opportunities in areas where conventional rigid robots are not a feasible solution. However, due to the complex motions of soft robots and the stretchable nature of soft building materials ...
Mei Yang   +3 more
doaj   +1 more source

Melting-layer modelling at C-Band [PDF]

open access: yesAdvances in Radio Science, 2010
Stratiform cloud formations, such as a uniform type of precipitating clouds, are sub dividable into layers with different aggregate states. In this way, it is adaptable to measurements with polarimetric radar.
J. Steinert, M. Chandra
doaj   +1 more source

An Integrated-Photonics Optical-Frequency Synthesizer

open access: yes, 2017
Integrated-photonics microchips now enable a range of advanced functionalities for high-coherence applications such as data transmission, highly optimized physical sensors, and harnessing quantum states, but with cost, efficiency, and portability much ...
A Bluestone   +65 more
core   +1 more source

Frequency-Scaling-Based Spaceborne Squint SAR Sparse Imaging

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2022
In synthetic aperture radar (SAR), due to the characteristics of squint data in spaceborne imaging geometry, a more accurate range cell migration correction operation is necessary.
Yufan Song   +4 more
doaj   +1 more source

Harnessing optical micro-combs for microwave photonics

open access: yes, 2018
In the past decade, optical frequency combs generated by high-Q micro-resonators, or micro-combs, which feature compact device footprints, high energy efficiency, and high-repetition-rates in broad optical bandwidths, have led to a revolution in a wide ...
Chu, Sai Tak   +8 more
core   +1 more source

Exciton‐Polaritons in Nanoscale Metal‐Organic Frameworks: A Platform for the Reversible Modulation of Strong Light‐Matter Coupling via the Chemical Environment

open access: yesAdvanced Functional Materials, EarlyView.
Strong exciton‐photon coupling is achieved by integrating porphyrin ligand‐based MOF nanoparticles in optical cavities, as evidenced by pronounced polariton branch anticrossing. The porous nature of the resonator enables precise, reversible tuning via vapor pressure, unlocking unprecedented chemical‐environment controlled dynamic polaritonic platforms ...
Beatriz de Sola‐Báez   +7 more
wiley   +1 more source

Quantum interface between photonic and superconducting qubits

open access: yes, 2017
We show that optically active coupled quantum dots embedded in a superconducting microwave cavity can be used to realize a fast quantum interface between photonic and transmon qubits.
Delteil, Aymeric   +5 more
core   +1 more source

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