Results 81 to 90 of about 12,357 (334)

Optical Wireless Power Transmission

open access: yesOptical Wireless Power Transmission
identifier:oai:t2r2.star.titech.ac.jp ...
openaire   +2 more sources

Promising perovskite solar cells for optical wireless power transmission

open access: yesScilight, 2020
Widegap CH3NH3PbBr3 solar cells exhibit 20.2% efficiency under blue LEDs, showing potential for optical wireless power transmission.
openaire   +1 more source

Designable van der Waals Crystal for Artificial Neuronal Cell Mimicking

open access: yesAdvanced Materials, EarlyView.
Designable van der Waals crystal has been demonstrated for device‐scale neuronal cell mimicking. The structural similarity between ion‐channel in biological membranes and layered vdW lattices is realized with nano‐crystallization via Ar + H2S plasma sulfurization.
Jinhyoung Lee   +23 more
wiley   +1 more source

The performance of a dual header pulse position modulation in the presence of artificial light interferences in an indoor optical wireless communications channel with wavelet denoising

open access: yes, 2011
Problem statement - Similar to other baseband modulation schemes, the performance of the Dual Header Pulse Interval Modulation (DH-PIM) is adversely affected by Artificial Light Interferences (ALI) in an indoor Optical Wireless Communications (OWC ...
Ghassemlooy, Zabih   +2 more
core   +1 more source

Deep Learning Inverse Design of Phase‐Change Reconfigurable Terahertz Metadevices for Multidimensional Secure Communication

open access: yesAdvanced Materials, EarlyView.
A deep learning inverse‐design framework is established to create versatile reconfigurable terahertz metadevices. By synergizing deep learning with phase‐change materials, this approach enables on‐demand customization of multidimensional electromagnetic responses.
Yisheng Dong   +11 more
wiley   +1 more source

Photovoltaic Receivers for Optical Wireless Power Transfer and Communication

open access: yes
Optical power transmission uses special photovoltaic cells, also known as photonic power converters, to convert transmitted light into electricity. In optical communication, modulated light is used to transmit data.
Helmers, Henning
core   +1 more source

Wireless myths, realities, and futures: from 3G/4G to optical and quantum wireless

open access: yes, 2012
This paper evaluates both the operational third-generation (3G) as well as the emerging fourth-generation (4G) wireless systems and investigates new technologies that might transpire and change things in the future.
O'Brien, D.   +11 more
core   +1 more source

Coherent optical binary polarisation shift keying heterodyne system in the free-space optical turbulence channel [PDF]

open access: yes, 2011
In this paper, analytical and simulation results for the bit error rate (BER) performance and fading penalty of a coherent optical binary polarization shift keying (2PolSK) heterodyne system adopted for a free space optical (FSO) communication link ...
Z. Ghassemlooy   +12 more
core   +1 more source

Nocturnal Intraocular Pressure Monitoring With a Soft Contact Lens Sensor for Glaucoma Management

open access: yesAdvanced Materials, EarlyView.
A soft contact lens sensor enables continuous, noninvasive monitoring of nocturnal intraocular pressure (IOP) under closed‐eye sleep conditions. By integrating a highly compliant inductive–capacitive circuit onto a commercial lens, the device achieves record sensitivity and stable performance.
Yumin Dai   +19 more
wiley   +1 more source

Photonic Power Converters for Telecom Optical Wavelength Bands

open access: yes, 2023
This talk will give an introduction into the requirements and boundary conditions for photonic power converters (PPCs) for telecom optical wavelength bands. The existing literature will be reviewed.
Helmers, Henning
core   +1 more source

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