Illustration of the FOWG resin layer flexibility (reprint from [1]) ,
FOWG film processed in inert versus normal atmosphere ,
, Scheme of long range surface plasmon sample in straight configuration, p.59
Surface of BCB Sample after the photoresist lift-off ,
Basic Lift off process flow for the LR-SPP structure, p.60 ,
60 IV.10 Schematic process of the waveguide based on lift-off for ZPU450 polymer.. 61 IV.11 Effect of Surface treatment on the adhesion between gold waveguide and polymer cladding ,
13 Process flow for the "Flipping over" method (FOWG), p.63 ,
, 14 FOWG / Gold waveguide after the "Flipping over" method, p.64
, Top and bottom cladding assembly process-Initial approach, p.64
Top and bottom cladding assembly method with transparent substrate (FOWG) ,
Top and bottom cladding assembly method with peeled-off top cladding (FOWG) ,
Bubbles trapped at the interface of the 2 claddings during the assembly process ,
Fabrication process flow based on gold etching ,
, IV.20 Momentive LR-SPPW : SEM image of the facet after cleaving the wafer, vol.69
70 IV.22 Imaging of the SPP intensity decay detected by camera directly from above the sample ("top view") ,
Imaging of the SPP mode profile at the output facet of the sample ("side view") ,
25 3D view of the fiber-to-sample end-fire coupling ,
26 Typical far-field IR image of the LR-SPPW propagating plasmon, p.72 ,
27 Exponential decay of the intensity along a plasmonic waveguide ,
LR-SPPW waveguide mask design containing 5 arrays of straight waveguides of varied width, vol.29 ,
55 µm imaging of output mode of ?1 cm long sample ,
55 µm imaging of output mode of ?1 cm long sample ,
, Longitudinal and transversal output mode and comparison with simulation for three waveguides (5, 7.5, 10 µm) for Momentive polymer, p.75
, IV.33 Au-Lightlink LR-SPPW : loss measurements in TM and TE polarization.. 76 IV.34 Au-Momentive LR-SPPW (cleaved): Cut-back method, p.77
(diced) cut-back method ,
77 IV.37 Ag-Lightlink LR-SPPW (diced) cut-back method, Comparison of Au and Ag LR-SPPWs : TM and TE mode imaging ,
, Au-FOWG LR-SPPW having air gaps at the Au / FOWG interface, p.78
, Bended plasmonic arc with both ends attached to narrow silicon stripes .. 80 IV.41 Structure layout of the double-cladding plasmonic arc, p.80
Double-cladding plasmonic arc: measured bending loss of the LR-SPP mode by dB/cm ,
Optical losses of the oPCB-Plasmonic Arc assembly. The lengths of the oPCB waveguide and plasmonic waveguide are 61 mm and 8 mm, respectively ,
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