From punch card-operated looms in the 1800s to modern cellphones, if an object has an "on" and an "off" state, it can be used ...
3d
Laser diodes are semiconductors that generate light and amplify it using repeated reflection or "optical feedback." Once the ...
Photonic crystal surface-emitting lasers or PCSELs are laser diodes that generate laser beams through controlled light wave interaction within a photonic crystal structure. In a recent study, ...
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