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access icon openaccess Tamm plasmons for efficient interaction of telecom wavelength photons and quantum dots

The authors present here designs for tuneable confined Tamm plasmons (CTPs) resonant at 1.3 μm, consisting of an AlAs/GaAs distributed Bragg reflector and gold disc. Using numerical methods they explored the effect of disc diameter on the CTP resonance and position of a dipole source (modelling a quantum dot) on emission through the disc. They found decreasing disc diameter resulted in a blue-shifted fundamental mode and that a dipole positioned at the centre of the disc emitted with an angular distribution that collected 90% of the transmitted power within a numerical aperture of 0.7. They also explore the Purcell enhancement under the CTP as a function of dipole position.

http://iet.metastore.ingenta.com/content/journals/10.1049/iet-opt.2017.0076
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content/journals/10.1049/iet-opt.2017.0076
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