Results 221 to 230 of about 853,308 (389)

Integrated RF Photonic Front‐End Capable of Simultaneous Cascaded Functions

open access: yesLaser &Photonics Reviews, EarlyView.
An integrated programmable RF photonic front‐end capable of simultaneous cascaded functions is demonstrated, including notch filtering with true time delay or phase shifting. This work shows the feasibility to achieve cascaded functions within an integrated RF photonic front‐end.
Kaixuan Ye   +6 more
wiley   +1 more source

Multi‐Octave All‐Dielectric Directional Coupler Using Integrated Half‐Mirror for Ultrawideband Terahertz Systems

open access: yesLaser &Photonics Reviews, EarlyView.
Fully exploiting the broad untapped terahertz spectrum necessitates extending the bandwidth of practical guided‐wave systems. This work introduces a substrateless quasi‐optical integration platform to meet this need. Classical optical principles going back to the time of Michelson are adapted to a planar, micro‐machined, monolithic‐silicon platform ...
Daniel Headland   +4 more
wiley   +1 more source

Phase noise of whispering gallery photonic hyper-parametric microwave oscillators

open access: gold, 2008
Anatoliy A. Savchenkov   +4 more
openalex   +1 more source

Full‐Space Spin‐Controlled Four‐Channel Metalens With Equal Power Distribution and Broad Bandwidth

open access: yesLaser &Photonics Reviews, EarlyView.
In article xxxxx, Alex M. H. Wong and co‐authors propose a multifunctional full‐space metalens supporting power‐efficient, broadband operation for four spin‐controlled output channels. The metalens separates an incoming wave into four equi‐power, spin‐decoupled and function‐decoupled waves (two transmitted and two reflected).
Xiaoluo He   +3 more
wiley   +1 more source

On‐Chip Active High‐Q Slow Light Topological Cavities

open access: yesLaser &Photonics Reviews, EarlyView.
A slow light topological cavity is presented, where the light confinement and the quality (Q) factor are controlled through engineered dispersion of the slow light waveguide mode and its group velocity, introducing a new degree of freedom to design high‐Q photonic cavities.
Xin Zhao   +8 more
wiley   +1 more source

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