Coherent exciton-exciton interactions and exciton dynamics in a MoSe 2 / WSe 2 heterostructure
Journal Article
·
· Physical Review. B
- University of Michigan, Ann Arbor, MI (United States); OSTI
- University of Michigan, Ann Arbor, MI (United States); MONSTR Sense Technologies, LLC, Ann Arbor, MI (United States)
- MONSTR Sense Technologies, LLC, Ann Arbor, MI (United States)
- University of Michigan, Ann Arbor, MI (United States)
Coherent coupling between excitons is at the heart of many-body interactions and quantum information with transition metal dichalcogenide heterostructures as an emergent platform for the investigation of these interactions. We employ multidimensional coherent spectroscopy on monolayer MoSe2/WSe2 heterostructures and observe coherent coupling between excitons spatially localized in monolayer MoSe2 and WSe2. Through many-body spectroscopy, we further observe the absorption state arising from free interlayer electron-hole pairs. This observation yields a spectroscopic measurement of the interlayer exciton binding energy of about 250 meV.
- Research Organization:
- University of Washington, Seattle, WA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division (MSE); National Science Foundation (NSF)
- Grant/Contract Number:
- SC0018171
- OSTI ID:
- 1979706
- Journal Information:
- Physical Review. B, Journal Name: Physical Review. B Journal Issue: 24 Vol. 104; ISSN 2469-9950
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
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