Figure 6 - uploaded by Chamanei Perera
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Normalised pl vs edge roundness. Inset provides a schematic diagram of the 2D waveguide with rounded edges.
Source publication
Spontaneous emission (SE) of a Quantum emitter depends mainly on the transmission strength between the upper and lower energy levels as well as the Local Density of States (LDOS) [1] . When a QD is placed in near a plasmon waveguide, LDOS of the QD is increased due to addition of the non-radiative decay and a plasmonic decay channel to free space e...
Contexts in source publication
Context 1
... reality, it is harder to fabricate gap waveguides with 90° sharp edges. We introduced roundness with radius s r less than or equal to height of the gap to each edge (inset of figure 6) and calculated normalised rate of SE coupling into plasmon mode. As depicted in figure 6, rate drops by factor of 2 at 5 nm edge roundness. ...
Context 2
... introduced roundness with radius s r less than or equal to height of the gap to each edge (inset of figure 6) and calculated normalised rate of SE coupling into plasmon mode. As depicted in figure 6, rate drops by factor of 2 at 5 nm edge roundness. The mode exhibits a strong concentration at the edges but strength of the electric field around the edge is slightly weakened at round edges. ...
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