[14p-K506-1~17] 3.11 Nanoscale optical science and near-field optics

1:45 PM - 2:00 PM JST(4:45 AM - 5:00 AM UTC)

[14p-K506-3] Polarization Control of Colloidal PbS Quantum Dot Emission Using Elliptical Ring Nano Resonator

〇Issei Pribyl¹, Hiroto Shirozume¹, Kohei Iwata², Kohki Mukai^1,2 (1.YNU Graduate School, 2.YNU)

Keywords:

quantum dots,nano-photonic devices,nano-optical resonators

We have previously reported that a single-photon source, which can be used for fabricating quantum information processing devices, can be realized by combining PbS quantum dots with a nanoresonator. In this study, we propose a structure that uses an elliptical ring as a resonator, capable of determining the polarization direction of photons. This resonator can be fabricated using the sketch-and-peel method with adhesive tape applied to a thin gold film. Simulations confirmed that the resonance is sensitive to the position of the light source, thereby suppressing unwanted emissions from unnecessary quantum dots (QDs). We fabricated a prototype of the device and verified its initial optical performance.