Engineering Plasmonic Waves
in 2D Electron Systems
Kitty Yeung
Harvard University
April 27th, 2015
Thesis advisor: Donhee Ham
Plasmonic waves in 2D
- Surface Plasmon Polariton
- 2D Plasmon
Subwavelength, optical frequency
Ultra-subwavelength, GHz-THz
AlGaAs/GaAs 2DEG
Will Andress
Hosang Yoon
Donhee Ham
Graphene
Nano Letters, 14, 2479 (2014)
Donhee Ham
Jingyee Chee
Nano Letters, 15, 5001 (2015)
Acknowledgement
Donhee Ham
Hosang Yoon
Jingyee Chee
William Andress
Ling Qin
Guangyu Xu
Jeffrey Abbott
Evelyn Hu
Marko Loncar
Amir Yacoby
David Clarke
Jing Kong (MIT)
Yi Song (MIT)
Loren Pfeiffer (Princeton)
Ken West (Princeton)
National Science Foundation
Air Force Office of Scientific Research
Office of Naval Research
Guixiong Zhong
Tim McClure
Plasmons in Different Dimensions
- Bulk
- Surface Plasmon Polariton
- 2D Plasmon
Plasmons in Different Dimensions
- Bulk
F. Stern, Phy. Lett. 18, 546 (1967); E. N. Economou, Phy. Rev. 182, 539 (1969); W. L. Barnes et al., Nature 424, 824 (2003)
E
Plasmons in Different Dimensions
- Surface Plasmon Polariton
F. Stern, Phy. Lett. 18, 546 (1967); E. N. Economou, Phy. Rev. 182, 539 (1969); W. L. Barnes et al., Nature 424, 824 (2003)
Penetration Depth
TM mode E
Plasmons in Different Dimensions
- 2D Plasmon
F. Stern, Phy. Lett. 18, 546 (1967); E. N. Economou, Phy. Rev. 182, 539 (1969); W. L. Barnes et al., Nature 424, 824 (2003)
Transmission Line Model
- Ungated
Staffaroni et al., Phot. Nano. Fund. Appl. 10, 166 (2012) (ArXiv:1006.3126)
Transmission Line Model
- Gated
Staffaroni et al., Phot. Nano. Fund. Appl. 10, 166 (2012); A. Eguiluz et at., Phys. Rev. B, 11, 4989 (1975);
W. F. Andress et al., Nano Letters, 12, 2272 (2012)
2D Plasmonic Interferometer
K. Yeung et al., App. Phy. Lett. 102, 021104 (2013)
2D Plasmonic Interferometer
Sensitivity enhanced
2D Plasmonic Interferometer
2D Plasmonic Interferometer
2D Plasmonic Interferometer
2D Plasmonic Interferometer
Temperature dependence
2D Plasmonic Interferometer
Temperature dependence
2D Plasmonic Materials
2DEG
Graphene
Das Sarma et al., Rev. Mod. Phys. 83, 407 (2011)
Graphene Plasmonics
Ju et al. Nat. Nanotech. (2011) Yan el al. New J. Phys. & Nat. Nanotech. (2012)
Graphene Plasmonic Crystals
Microscope
SEM
K. Yeung, J. Chee et al. Nano Letters, 14, 2479 (2014)
Graphene Plasmonic Crystals
- Band Structure
Graphene Plasmonic Crystals
Graphene Plasmonic Crystals
C6v point group symmetry
Graphene Plasmonic Crystals
Graphene Plasmonic Crystals
Graphene Plasmonic Crystals
Graphene Plasmonic Crystals
Band Structure Engineering
- Carrier concentration
- Lattice dimensions
- Aperture shape
- Lattice symmetry
Band Structure Engineering
- Carrier concentration
Band Structure Engineering
- Lattice dimensions
simulation
experiment
simulation
graphene
quartz
Band Structure Engineering
- Lattice dimensions
Submitted (2015)
Band Structure Engineering
- Lattice dimensions
graphene
quartz
Band Structure Engineering
- Aperture shape
Band Structure Engineering
- Lattice symmetry
circular apertures
elliptical apertures
C6v
C4v
C2v
Band Structure Engineering
- Square lattices symmetry variation
circular apertures
elliptical apertures
Band Structure Engineering
- Hexagonal lattices symmetry variation
circular apertures
elliptical apertures
Band Structure Engineering
- Hexagonal lattices symmetry variation
Band Structure Engineering
- Hexagonal lattices symmetry variation
Research papers
Kitty Y. M. Yeung, Hosang Yoon, William Andress, Ken West, Loren Pfeiffer and Donhee Ham, Two-Path Solid-State Interferometry Using Ultra-Subwavelength 2D Plasmonic Waves,
App. Phys. Lett. 102, 021104 (2013)
William Andress, Hosang Yoon, Kitty Y. M. Yeung, Ling Qin, Ken West, Loren Pfeiffer and Donhee Ham, Ultra-Subwavelength Two-Dimensional Plasmonic Circuits,
Nano Lett. 12, 2272 (2012)
Hosang Yoon, Kitty Y. M. Yeung, V. Umansky and Donhee Ham, A Newtonian Approach to Negative Refraction, Nature, 488, 65 (2012)
Engineering Plasmonic Waves in 2D Electron Systems
Research papers
Kitty Y. M. Yeung, Jingyee Chee, Hosang Yoon, Yi Song, Jing Kong and Donhee Ham, Far-Infrared Graphene Plasmonic Crystals for Plasmonis Band Engineering,
Nano Letters, 14, 2479 (2014)
Engineering Plasmonic Waves in 2D Electron Systems
Kitty Y. M. Yeung, Jingyee Chee, Yi Song, Jing Kong and Donhee Ham,
Symmetry Engineering of Graphene Plasmonic Crystals,
Nano Letters, 15, 5001 (2015)
Acknowledgement
Donhee Ham
Hosang Yoon
Jingyee Chee
William Andress
Ling Qin
Guangyu Xu
Jeffrey Abbott
Evelyn Hu
Marko Loncar
Amir Yacoby
David Clarke
Jing Kong (MIT)
Yi Song (MIT)
Loren Pfeiffer (Princeton)
Ken West (Princeton)
National Science Foundation
Air Force Office of Scientific Research
Office of Naval Research
Guixiong Zhong
Tim McClure
Acknowledgement
Ian Frank
Shota Kita
Hu Group
Kasey Russell
Jonathan Lee
Michael Moebius
Mikhail Kats
Nathalie de Leon
Marsela Jorgolli
Nuno Peres (Minho)
Yuliy Bludov (Minho)
Jiangdong Deng
Jason Tresback
Ling Xie
Mike Donohoe
Acknowledgement
Acknowledgement
My family
Engineering Plasmonic Waves
in 2D Electron Systems
Kitty Yeung
Harvard University
April 27th, 2015
Thesis advisor: Donhee Ham