Feature
Dynamic Photonic Crystals
When dynamic behaviors are introduced into photonic crystal systems, fascinating new possibilities emerge. For example, the bandwidth of a pulse can be completely compressed to zero, resulting in on-chip all-optical stopping and storage of light pulses.
In their pioneering work, Eli Yablonovitch and Sajeev John introduced the concept of photonic crystals—which provides a basic platform for controlling the flow of light. Since then, researchers have predicted and demonstrated many important properties of these crystals, including the existence of the complete photonic band gap, the control of spontaneous emission and the construction of ultra-compact light-wave circuits. The band structures of perfect crystals, as well as the properties of the defect states, have also been studied in great detail.
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