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Title: Accessing Phonon Polaritons in Hyperbolic Crystals by Angle-Resolved Photoemission Spectroscopy

Journal Article · · Physical Review Letters
 [1];  [2];  [3];  [4];  [5]
  1. Scuola Normale Superiore (SNS), Pisa (Italy). National Enterprise for NanoScience and NanoTechnology (NEST) and National Research Council (CNR)
  2. Univ. of Missouri, Columbia, MO (United States). Dept. of Physics and Astronomy
  3. California Inst. of Technology (CalTech), Pasadena, CA (United States). Walter Burke Inst. for Theoretical Physics and Inst. for Quantum Information and Matter
  4. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States). Dept. of Physics
  5. Istituto Italiano di Tecnologia (IIT), Genova (Italy). Graphene Lab.

Recently studied hyperbolic materials host unique phonon-polariton (PP) modes. The ultrashort wavelengths of these modes, as well as their low damping, hold promise for extreme subdiffraction nanophotonics schemes. Polar hyperbolic materials such as hexagonal boron nitride can be used to realize long-range coupling between PP modes and extraneous charge degrees of freedom. The latter, in turn, can be used to control and probe PP modes. In this work we analyze coupling between PP modes and plasmons in an adjacent graphene sheet, which opens the door to accessing PP modes by angle-resolved photoemission spectroscopy (ARPES). A rich structure in the graphene ARPES spectrum due to PP modes is anticipated, providing a new probe of PP modes and their coupling to graphene plasmons.

Research Organization:
Energy Frontier Research Centers (EFRC) (United States). Center for Excitonics (CE)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES); US Army Research Office (ARO)
Grant/Contract Number:
SC0001088; FG02-05ER46203; desc0001088
OSTI ID:
1370899
Alternate ID(s):
OSTI ID: 1212339
Journal Information:
Physical Review Letters, Vol. 115, Issue 8; Related Information: CE partners with Massachusetts Institute of Technology (lead); Brookhaven National Laboratory; Harvard University; ISSN 0031-9007
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 22 works
Citation information provided by
Web of Science

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Cited By (11)

Out-of-plane heat transfer in van der Waals stacks through electron–hyperbolic phonon coupling journal November 2017
Making two-photon processes dominate one-photon processes using mid-IR phonon polaritons journal December 2017
Acoustically-driven surface and hyperbolic plasmon-phonon polaritons in graphene/h-BN heterostructures on piezoelectric substrates journal April 2018
Electrical plasmon injection in double-layer graphene heterostructures journal September 2019
Confining graphene plasmons to the ultimate limit journal July 2018
Negative local resistance caused by viscous electron backflow in graphene journal February 2016
Curving h-BN thin films can create extra phonon polariton modes journal January 2018
Out-of-plane heat transfer in van der Waals stacks through electron-hyperbolic phonon coupling. text January 2018
Out-of-plane heat transfer in van der Waals stacks: electron-hyperbolic phonon coupling text January 2017
Acoustically-driven surface and hyperbolic plasmon-phonon polaritons in graphene/h-BN heterostructures on piezoelectric substrates text January 2018
Electrical plasmon injection in double-layer graphene heterostructures text January 2018