Bright Electrically Contacted Circular Bragg Grating Resonators with Deterministically Integrated Quantum Dots.

ABSTRACT: Cavity-enhanced emission of electrically controlled semiconductor quantum dots (QDs) is essential in the development of bright quantum devices for real-world quantum photonic applications. Combining the circular Bragg grating (CBG) approach with a PIN-diode structure, we propose and implement designs for ridge-based electrically contacted QD-CBG resonators. Through fine-tuning of device parameters in numerical simulations and deterministic nanoprocessing, we produced electrically controlled single QD-CBG resonators with excellent electro-optical emission properties. These include multiple wavelength-tunable emission lines and a photon extraction efficiency (PEE) of up to 30.4(3.4)%, where refined numerical optimization based on experimental findings suggests a substantial improvement, prom

SUBMITTER: Wijitpatima S 

PROVIDER: S-EPMC11580368 | biostudies-literature | 2024 Nov

REPOSITORIES: biostudies-literature