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説明:

MoTe2 monolayers and bilayers are unique within the family of van-der-Waals materials since they pave the way towards atomically thin infrared light-matter quantum interfaces, potentially reaching the important telecommunication windows. Here, we report emergent exciton-polaritons based on MoTe2 monolayer and bilayer in a low-temperature open micro-cavity in a joint experiment- theory study. Our experiments clearly evidence both the enhanced oscillator strength and enhanced luminescence of MoTe2 bilayers, signified by a 38 % increase of the Rabi-splitting and a strongly enhanced relaxation of polaritons to low-energy states. The latter is distinct from polaritons in MoTe2 monolayers, which feature a bottleneck-like relaxation inhibition. Both the polaritonic spin- valley locking in monolayers and the spin-layer locking in bilayers are revealed via the Zeeman effect, which we map and control via the light-matter composition of our polaritonic resonances.

権利情報:

• Creative Commons BY Attribution 4.0 International
  

キーワード: magnetopolaritons
, MoTe2, infrared

刊行年月日: 2025-02-20

出版者: American Physical Society (APS)

掲載誌:

• Physical Review Letters (ISSN: 10797114) vol. 134 issue. 7 076902

研究助成金:

• World Premier International Research Center Initiative
• Deutsche Forschungsgemeinschaft Schn1376 11.1
• Deutsche Forschungsgemeinschaft SFB 1375
• Deutsche Forschungsgemeinschaft INST184-220
• Deutsche Forschungsgemeinschaft 524612380
• Bundesministerium für Bildung und Forschung 16KISQ087K
• Bundesministerium für Bildung und Forschung 13XP5053A
• Japan Society for the Promotion of Science 21H05233
• Japan Society for the Promotion of Science 23H02052
• Ministry of Education, Culture, Sports, Science and Technology
• Narodowe Centrum Nauki 2019/35/B/ST5/04308

原稿種別: 出版者版 (Version of record)

MDR DOI:

公開URL: https://doi.org/10.1103/physrevlett.134.076902

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更新時刻: 2026-03-09 10:01:57 +0900

MDRでの公開時刻: 2026-03-10 13:44:50 +0900