scholarly journals Hyperbolic phonon-polaritons in boron nitride for near-field optical imaging and focusing

2015 ◽  
Vol 6 (1) ◽  
Author(s):  
Peining Li ◽  
Martin Lewin ◽  
Andrey V. Kretinin ◽  
Joshua D. Caldwell ◽  
Kostya S. Novoselov ◽  
...  
Keyword(s):  
Boron Nitride ◽  
Optical Imaging ◽  
Near Field ◽  
Phonon Polaritons

scholarly journals High-Q dark hyperbolic phonon-polaritons in hexagonal boron nitride nanostructures

Nanophotonics ◽  
2020 ◽  
Vol 9 (6) ◽  
pp. 1457-1467 ◽  
Author(s):  
Georg Ramer ◽  
Mohit Tuteja ◽  
Joseph R. Matson ◽  
Marcelo Davanco ◽  
Thomas G. Folland ◽  
...  
Keyword(s):  
Boron Nitride ◽  
Cross Sections ◽  
Hexagonal Boron Nitride ◽  
Near Field ◽  
High Q ◽  
Surface Phonon Polaritons ◽  
Previous Hypothesis ◽  
Phonon Polaritons ◽  
Field Reflectance ◽  
Strong Confinement

AbstractThe anisotropy of hexagonal boron nitride (hBN) gives rise to hyperbolic phonon-polaritons (HPhPs), notable for their volumetric frequency-dependent propagation and strong confinement. For frustum (truncated nanocone) structures, theory predicts five, high-order HPhPs, sets, but only one set was observed previously with far-field reflectance and scattering-type scanning near-field optical microscopy. In contrast, the photothermal induced resonance (PTIR) technique has recently permitted sampling of the full HPhP dispersion and observing such elusive predicted modes; however, the mechanism underlying PTIR sensitivity to these weakly-scattering modes, while critical to their understanding, has not yet been clarified. Here, by comparing conventional contact- and newly developed tapping-mode PTIR, we show that the PTIR sensitivity to those weakly-scattering, high-Q (up to ≈280) modes is, contrary to a previous hypothesis, unrelated to the probe operation (contact or tapping) and is instead linked to PTIR ability to detect tip-launched dark, volumetrically-confined polaritons, rather than nanostructure-launched HPhPs modes observed by other techniques. Furthermore, we show that in contrast with plasmons and surface phonon-polaritons, whose Q-factors and optical cross-sections are typically degraded by the proximity of other nanostructures, the high-Q HPhP resonances are preserved even in high-density hBN frustum arrays, which is useful in sensing and quantum emission applications.

Photon Tunneling via Coupling Graphene Plasmons With Phonon Polaritons of Hexagonal Boron Nitride in Reststrahlen Bands

2021 ◽  
Author(s):  
Ruiyi Liu ◽  
Xiaohu Wu ◽  
Zheng Cui
Keyword(s):  
Boron Nitride ◽  
Chemical Potential ◽  
Hexagonal Boron Nitride ◽  
Near Field ◽  
Tunneling Probability ◽  
Coupling Mechanism ◽  
Work Study ◽  
Photon Tunneling ◽  
Phonon Polaritons ◽  
Graphene Plasmons

Abstract The photon tunneling probability is the most important thing in near-field radiative heat transfer (NFRHT). This work study the photon tunneling via coupling graphene plasmons with phonon polaritons in hexagonal boron nitride (hBN). We consider two cases of the optical axis of hBN along z-axis and x-axis, respectively. We investigate the NFRHT between graphene-covered bulk hBN, and compare it with that of bare bulk hBN. Our results show that in Reststrahlen bands, the coupling of graphene plasmons and phonon polaritons in hBN can either suppress or enhance the photon tunneling probability, depending on the chemical potential of graphene and frequency. This conclusion holds when the optiacal axis of hBN is either along z-axis or x-axis. The findings in this work not only deepen our understanding of coupling mechanism between graphene plasmons with phonon polaritons, but also provide a theoretical basis for controlling photon tunneling in graphene covered hyperbolic materials.

Far-Field Spectroscopy and Near-Field Optical Imaging of Coupled Plasmon-Phonon Polaritons in 2D van der Waals Heterostructures

2016 ◽  
Vol 28 (15) ◽  
pp. 2931-2938 ◽  
Author(s):  
Xiaoxia Yang ◽  
Feng Zhai ◽  
Hai Hu ◽  
Debo Hu ◽  
Ruina Liu ◽  
...  
Keyword(s):  
Optical Imaging ◽  
Near Field ◽  
Van Der Waals ◽  
Far Field ◽  
Van Der Waals Heterostructures ◽  
Field Spectroscopy ◽  
Phonon Polaritons

Fabrication and characterization of fluorescent rare-earth-doped glass-particle-based tips for near-field optical imaging applications

2004 ◽  
Vol 43 (19) ◽  
pp. 3829 ◽  
Author(s):  
Lionel Aigouy ◽  
Yannick De Wilde ◽  
Michel Mortier ◽  
Jacques Giérak ◽  
Eric Bourhis
Keyword(s):  
Rare Earth ◽  
Optical Imaging ◽  
Near Field ◽  
Glass Particle ◽  
Fabrication And Characterization ◽  
Doped Glass ◽  
Rare Earth Doped ◽  
Rare Earth Doped Glass

Near-field optical imaging of polarization-dependent plasmonic resonance in metal nanoparticle pairs

2010 ◽  
Author(s):  
Hsing-Ying Lin ◽  
Chen-Han Huang ◽  
Chih-Han Chang ◽  
Yun-Chiang Lan ◽  
Hsiang-Chen Chui
Keyword(s):  
Optical Imaging ◽  
Near Field ◽  
Metal Nanoparticle ◽  
Plasmonic Resonance

Thickness identification of 2D hexagonal boron nitride thin flakes by optical imaging in dry transfer method

2019 ◽  
Vol 6 (7) ◽  
pp. 075042
Author(s):  
Shuqin Zhang ◽  
Wenjie Chen ◽  
Weijun Cheng ◽  
Renrong Liang ◽  
Jun Xu
Keyword(s):  
Boron Nitride ◽  
Optical Imaging ◽  
Hexagonal Boron Nitride ◽  
Transfer Method
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