Tunable photoluminescence intensity in WSe2 under twisted light excitation

Aswini K. Pattanayak,Pritam Das,Devarshi Chakrabarty,Avijit Dhara, Shreya Paul,Sajal Dhara

Frontiers in Optics + Laser Science 2022 (FIO, LS)（2022）

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摘要

We demonstrate control over intravalley scattering rates in monolayer TMDs, using tunable in-plane momentum of twisted light beam with topological charges (TC). This effect is observed from the variation of Photoluminescence intensity in WSe2 monolayer with TCs.

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关键词

tunable photoluminescence intensity,twisted light excitation

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