Radio spectrum is pricey. Operators drop billions at auction to lock down licensed frequency bands, and every single ...
A new publication from Opto-Electronic Advances; DOI 10.29026/oea.2026.250149, discusses a quarter-wave geometric-phase ...
The laser module is one of the least reliable components in such a system. For that reason, it remains in a convenient ...
Photon Bridge, the Dutch photonics specialist, has announced wafer-scale validation of its heterogeneous photonics platform for multi-wavelength light engines. The company demonstrated single-channel ...
Dispersion is an inherent feature of electromagnetic waves. It allows light to behave differently at different wavelengths, ...
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Kenya switches on digital radio trial as frequencies of FMs hit capacity limits
Kenya has switched on its first trial of Digital Sound Broadcasting (DSB) in Nairobi, marking the country’s initial operational test of a technology regulators say, is necessary to resolve ...
The research group led by Professor Yijun Feng and Professor Ke Chen from Nanjing University reports a hybrid-phase strategy that unlocks broadband achromatic wavefront control for both circular ...
(a) Schematic of frequency multiplexing achieved by comining phase profiles derived from plate theory with wavefront-engineered phase control. (b) Photograph of the fabricated elastic metasurface that ...
Neterra is embarking on a major modernization of its national backbone network.
The €12 million investment will boost the data transmission capacity on Neterra’s DWDM (Dense Wavelength Division Multiplexing) network from 200 Gigabits per channel to 800 Gigabits per channel, ...
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