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Hybrid Silicon-Phase Change Nanoantenna for Surface Plasmon Polariton Routing
Pavel Trofimov 1, Andrey Bogdanov 1, Ivan Sinev 1
1.
Sinev et al. ACS Photonics 2020Kuznetsov et al.
Scientific Reports 2012Wang et al. Nature Photonics 2016
Deringer et al. JARA-FIT Annual Report 2014
Phase-change materials Dielectric resonators
Wuttig et al.
Nature Photonics 2017
SummaryPhase-change
materialsSurface waves
routingSPP all-optical
switchDesign of hybrid
nanoantennaHybrid resonators
laser switching
Galaretta et al. Optica 2020
Dielectric resonators
SummaryPhase-change
materialsSurface waves
routingSPP all-optical
switchDesign of hybrid
nanoantennaHybrid resonators
laser switching
Hybrid Silicon-Phase Change Nanoantenna for Surface Plasmon Polariton Routing
Pavel Trofimov 1, Andrey Bogdanov 1, Ivan Sinev 1
1.
SummaryPhase-change
materialsSurface waves
routingSPP all-optical
switchDesign of hybrid
nanoantennaHybrid resonators
laser switching
Sinev et al. Laser Photonics Review 2017, 11, 1700168
Hybrid Silicon-Phase Change Nanoantenna for Surface Plasmon Polariton Routing
Pavel Trofimov 1, Andrey Bogdanov 1, Ivan Sinev 1
1.
SummaryPhase-change
materialsSurface waves
routingSPP all-optical
switchDesign of hybrid
nanoantennaHybrid resonators
laser switching
Backward SPP z=-1 | Forward SPP z=1
z = (my − iκpx)/(kSPP pz)
ISPP(φ0) ∼ (1 − (Re z) cos φ0)2 + (Im z)2 cos2 φ0
Hybrid Silicon-Phase Change Nanoantenna for Surface Plasmon Polariton Routing
Pavel Trofimov 1, Andrey Bogdanov 1, Ivan Sinev 1
1.
SummaryPhase-change
materialsSurface waves
routingSPP all-optical
switchDesign of hybrid
nanoantennaHybrid resonators
laser switching
Silicon Sphere
Calculated switching
resolution λ/δλ:
20 < 60
Directivity Forward Directivity Backward Resolution Resonance wavelength
Hei
gh
t, μ
m
Diameter, μm Diameter, μm
Silicon Cylinder
Hybrid Silicon-Phase Change Nanoantenna for Surface Plasmon Polariton Routing
Pavel Trofimov 1, Andrey Bogdanov 1, Ivan Sinev 1
1.
SummaryPhase-change
materialsSurface waves
routingSPP all-optical
switchDesign of hybrid
nanoantennaHybrid resonators
laser switching
Cylinder height 360 nm
Diameter 205 nm,
Resonant Wavelength 949 nm
Dia
met
er, μ
mD
iam
eter
, μ
m
Dia
met
er, μ
mD
iam
eter
, μ
m
-50 0 50
-50 0 50-50 0 50
-50 0 50
Wavelength detuning, nm Wavelength detuning, nm
Dir
ect
ivit
y Fo
rwar
dD
ire
ctiv
ity
Bac
kwar
d
Si + Amorphous GSST Si + Crystalline GSST
Hybrid Silicon-Phase Change Nanoantenna for Surface Plasmon Polariton Routing
Pavel Trofimov 1, Andrey Bogdanov 1, Ivan Sinev 1
1.
SummaryPhase-change
materialsSurface waves
routingSPP all-optical
switchDesign of hybrid
nanoantennaHybrid resonators
laser switching
Sim
ula
tio
nEx
pe
rim
en
t
Femtosecond
Laser pulses
Mu
ltile
vel s
wit
chin
g
Hybrid Silicon-Phase Change Nanoantenna for Surface Plasmon Polariton Routing
Pavel Trofimov 1, Andrey Bogdanov 1, Ivan Sinev 1
1.
Galaretta et al. Optica 2020