Hexagonal Boron Nitride Self-Launches Hyperbolic Phonon Polaritons

Leonid Gilburd, Kris S. Kim, Kevin Ho, Daniel Trajanoski, Aniket Maiti, Duncan Halverson, Sissi de Beer, Gilbert C. Walker

Research output: Contribution to journalArticleAcademicpeer-review

13 Citations (Scopus)

Abstract

Hexagonal boron nitride (hBN) is a 2D material that supports traveling waves composed of material vibrations and light, and is attractive for nanoscale optical devices that function in the infrared. However, the only current method of launching these traveling waves requires the use of a metal nanostructure. Here, we show that the polaritonic waves can be launched into the 2D structure by folds within hBN, alone, taking advantage of the intrinsic material properties. Our findings suggest that structural continuity between the fold and hBN crystal is crucial for creating self-launched waves with a constant phase front. This approach offers a single material system to excite the polaritonic modes, and the approach is applicable to a broad range of 2D crystals and thus could be useful in future characterization.
Original languageEnglish
Pages (from-to)2158–2162
JournalJournal of physical chemistry letters
Volume8
Issue number10
Early online date28 Apr 2017
DOIs
Publication statusPublished - 18 May 2017

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Boron nitride
boron nitrides
polaritons
traveling waves
launching
continuity
Crystals
crystals
Launching
Optical devices
Nanostructures
vibration
Materials properties
Metals
Infrared radiation
metals
boron nitride

Cite this

Gilburd, L., Kim, K. S., Ho, K., Trajanoski, D., Maiti, A., Halverson, D., ... Walker, G. C. (2017). Hexagonal Boron Nitride Self-Launches Hyperbolic Phonon Polaritons. Journal of physical chemistry letters, 8(10), 2158–2162 . https://doi.org/10.1021/acs.jpclett.7b00748
Gilburd, Leonid ; Kim, Kris S. ; Ho, Kevin ; Trajanoski, Daniel ; Maiti, Aniket ; Halverson, Duncan ; de Beer, Sissi ; Walker, Gilbert C. / Hexagonal Boron Nitride Self-Launches Hyperbolic Phonon Polaritons. In: Journal of physical chemistry letters. 2017 ; Vol. 8, No. 10. pp. 2158–2162 .
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Gilburd, L, Kim, KS, Ho, K, Trajanoski, D, Maiti, A, Halverson, D, de Beer, S & Walker, GC 2017, 'Hexagonal Boron Nitride Self-Launches Hyperbolic Phonon Polaritons' Journal of physical chemistry letters, vol. 8, no. 10, pp. 2158–2162 . https://doi.org/10.1021/acs.jpclett.7b00748

Hexagonal Boron Nitride Self-Launches Hyperbolic Phonon Polaritons. / Gilburd, Leonid; Kim, Kris S.; Ho, Kevin; Trajanoski, Daniel; Maiti, Aniket; Halverson, Duncan; de Beer, Sissi; Walker, Gilbert C.

In: Journal of physical chemistry letters, Vol. 8, No. 10, 18.05.2017, p. 2158–2162 .

Research output: Contribution to journalArticleAcademicpeer-review

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T1 - Hexagonal Boron Nitride Self-Launches Hyperbolic Phonon Polaritons

AU - Gilburd, Leonid

AU - Kim, Kris S.

AU - Ho, Kevin

AU - Trajanoski, Daniel

AU - Maiti, Aniket

AU - Halverson, Duncan

AU - de Beer, Sissi

AU - Walker, Gilbert C.

PY - 2017/5/18

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N2 - Hexagonal boron nitride (hBN) is a 2D material that supports traveling waves composed of material vibrations and light, and is attractive for nanoscale optical devices that function in the infrared. However, the only current method of launching these traveling waves requires the use of a metal nanostructure. Here, we show that the polaritonic waves can be launched into the 2D structure by folds within hBN, alone, taking advantage of the intrinsic material properties. Our findings suggest that structural continuity between the fold and hBN crystal is crucial for creating self-launched waves with a constant phase front. This approach offers a single material system to excite the polaritonic modes, and the approach is applicable to a broad range of 2D crystals and thus could be useful in future characterization.

AB - Hexagonal boron nitride (hBN) is a 2D material that supports traveling waves composed of material vibrations and light, and is attractive for nanoscale optical devices that function in the infrared. However, the only current method of launching these traveling waves requires the use of a metal nanostructure. Here, we show that the polaritonic waves can be launched into the 2D structure by folds within hBN, alone, taking advantage of the intrinsic material properties. Our findings suggest that structural continuity between the fold and hBN crystal is crucial for creating self-launched waves with a constant phase front. This approach offers a single material system to excite the polaritonic modes, and the approach is applicable to a broad range of 2D crystals and thus could be useful in future characterization.

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Gilburd L, Kim KS, Ho K, Trajanoski D, Maiti A, Halverson D et al. Hexagonal Boron Nitride Self-Launches Hyperbolic Phonon Polaritons. Journal of physical chemistry letters. 2017 May 18;8(10):2158–2162 . https://doi.org/10.1021/acs.jpclett.7b00748