Fieldoscopy reveals ultrafast switching dynamics in indium tin oxide nanocrystals, indicating potential for high-performance optical communication.
Fieldoscopy Scalable, ultrafast, and compact photonic switching platforms are vital for next-generation optical communication. Effective switches require high duty cycles, rapid recovery, strong modulation depth, and full reversibility. Using fieldoscopy, Hanieh Fattahi and co-workers resolve the sub-cycle switching dynamics of indium tin oxide colloidal nanocrystals and demonstrate their potential as ultrafast optical switches operating with terahertz-scale bandwidth. More details can be found in the Research Article (DOI: 10.1002/advs.202516818 ).
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