Abstract:
:Van der Waals materials and heterostructures that manifest strongly bound exciton states at room temperature also exhibit emergent physical phenomena and are of great promise for optoelectronic applications. Here, we demonstrate that nanostructured, multilayer transition metal dichalcogenides (TMDCs) by themselves provide an ideal platform for excitation and control of excitonic modes, paving the way to exciton-photonics. Hence, we show that by patterning the TMDCs into nanoresonators, strong dispersion and avoided crossing of exciton, cavity photons and plasmon polaritons with effective separation energy exceeding 410 meV can be controlled with great precision. We further observe that inherently strong TMDC exciton absorption resonances may be completely suppressed due to excitation of hybrid light-matter states and their interference. Our work paves the way to the next generation of integrated exciton optoelectronic nano-devices and applications in light generation, computing, and sensing.
journal_name
Nat Communjournal_title
Nature communicationsauthors
Zhang H,Abhiraman B,Zhang Q,Miao J,Jo K,Roccasecca S,Knight MW,Davoyan AR,Jariwala Ddoi
10.1038/s41467-020-17313-2subject
Has Abstractpub_date
2020-07-15 00:00:00pages
3552issue
1issn
2041-1723pii
10.1038/s41467-020-17313-2journal_volume
11pub_type
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