Ultralow-loss polaritons in isotopically pure boron nitride
Abstract
Conventional optical components are limited to size scales much larger than the wavelength of light, as changes to the amplitude, phase and polarization of the electromagnetic fields are accrued gradually along an optical path. However, advances in nanophotonics have produced ultrathin, so-called ‘flat’ optical components that beget abrupt changes in these properties over distances significantly shorter than the free-space wavelength. Although high optical losses still plague many approaches, phonon polariton (PhP) materials have demonstrated long lifetimes for sub-diffractional modes in comparison to plasmon-polariton-based nanophotonics. We experimentally observe a threefold improvement in polariton lifetime through isotopic enrichment of hexagonal boron nitride (hBN). Commensurate increases in the polariton propagation length are demonstrated via direct imaging of polaritonic standing waves by means of infrared nano-optics. Lastly, our results provide the foundation for a materials-growth-directed approach aimed at realizing the loss control necessary for the development of PhP-based nanophotonic devices.
- Authors:
-
- Naval Research Lab. (NRL), Washington, DC (United States)
- Univ. of California, San Diego, CA (United States). Dept. of Physics
- Kansas State Univ., Manhattan, KS (United States). Dept. of Chemical Engineering
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Materials Science & Technology Division
- Univ. of California, San Diego, CA (United States). Dept. of Physics; Columbia Univ., New York, NY (United States). Dept. of Physics
- Publication Date:
- Research Org.:
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Materials Sciences & Engineering Division
- OSTI Identifier:
- 1423117
- Grant/Contract Number:
- AC05-00OR22725
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Nature Materials
- Additional Journal Information:
- Journal Volume: 17; Journal Issue: 2; Journal ID: ISSN 1476-1122
- Publisher:
- Nature Publishing Group
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; Two-dimensional materials; Nanophotonics and plasmonics; Polaritons; Sub-wavelength optics
Citation Formats
Giles, Alexander J., Dai, Siyuan, Vurgaftman, Igor, Hoffman, Timothy, Liu, Song, Lindsay, Lucas, Ellis, Chase T., Assefa, Nathanael, Chatzakis, Ioannis, Reinecke, Thomas L., Tischler, Joseph G., Fogler, Michael M., Edgar, J. H., Basov, D. N., and Caldwell, Joshua D. Ultralow-loss polaritons in isotopically pure boron nitride. United States: N. p., 2017.
Web. doi:10.1038/nmat5047.
Giles, Alexander J., Dai, Siyuan, Vurgaftman, Igor, Hoffman, Timothy, Liu, Song, Lindsay, Lucas, Ellis, Chase T., Assefa, Nathanael, Chatzakis, Ioannis, Reinecke, Thomas L., Tischler, Joseph G., Fogler, Michael M., Edgar, J. H., Basov, D. N., & Caldwell, Joshua D. Ultralow-loss polaritons in isotopically pure boron nitride. United States. https://doi.org/10.1038/nmat5047
Giles, Alexander J., Dai, Siyuan, Vurgaftman, Igor, Hoffman, Timothy, Liu, Song, Lindsay, Lucas, Ellis, Chase T., Assefa, Nathanael, Chatzakis, Ioannis, Reinecke, Thomas L., Tischler, Joseph G., Fogler, Michael M., Edgar, J. H., Basov, D. N., and Caldwell, Joshua D. Mon .
"Ultralow-loss polaritons in isotopically pure boron nitride". United States. https://doi.org/10.1038/nmat5047. https://www.osti.gov/servlets/purl/1423117.
@article{osti_1423117,
title = {Ultralow-loss polaritons in isotopically pure boron nitride},
author = {Giles, Alexander J. and Dai, Siyuan and Vurgaftman, Igor and Hoffman, Timothy and Liu, Song and Lindsay, Lucas and Ellis, Chase T. and Assefa, Nathanael and Chatzakis, Ioannis and Reinecke, Thomas L. and Tischler, Joseph G. and Fogler, Michael M. and Edgar, J. H. and Basov, D. N. and Caldwell, Joshua D.},
abstractNote = {Conventional optical components are limited to size scales much larger than the wavelength of light, as changes to the amplitude, phase and polarization of the electromagnetic fields are accrued gradually along an optical path. However, advances in nanophotonics have produced ultrathin, so-called ‘flat’ optical components that beget abrupt changes in these properties over distances significantly shorter than the free-space wavelength. Although high optical losses still plague many approaches, phonon polariton (PhP) materials have demonstrated long lifetimes for sub-diffractional modes in comparison to plasmon-polariton-based nanophotonics. We experimentally observe a threefold improvement in polariton lifetime through isotopic enrichment of hexagonal boron nitride (hBN). Commensurate increases in the polariton propagation length are demonstrated via direct imaging of polaritonic standing waves by means of infrared nano-optics. Lastly, our results provide the foundation for a materials-growth-directed approach aimed at realizing the loss control necessary for the development of PhP-based nanophotonic devices.},
doi = {10.1038/nmat5047},
journal = {Nature Materials},
number = 2,
volume = 17,
place = {United States},
year = {Mon Dec 11 00:00:00 EST 2017},
month = {Mon Dec 11 00:00:00 EST 2017}
}
Web of Science
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