Silicon nanospheres amplify second-harmonic generation from monolayer semiconductors over 40-fold while retaining ...
In atomically thin semiconductors, enhancing the frequency-doubled light signal has come at the cost of losing polarization ...
Generation of circularly polarized nonlinear signals from chiral metasurfaces with rotational symmetry under arbitrarily polarized excitation. Left and right circularly polarized light, where the ...
Engineers created a MEMS-tunable twisted bilayer photonic crystal chip that dynamically adjusts twist angle and spacing to ...
Researchers at University of Tsukuba have synthesized a helical, magnetically active conductive polymer with exceptionally high optical activity using cyclosporine A as a helix-inducing agent. This ...
New research explores silicon nanorods in metasurfaces for polarization holographic encryption, addressing image recovery and ...
Fast radio bursts (FRBs) are a kind of energetic cosmic radio burst. Though their duration is usually at millisecond scale, their energy (estimated isotropically) reaches 10 ^36 ～10 ^41 erg, ...
Researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have created a chip-scale device that can dynamically control the "handedness" of light as it passes ...
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