Electrical control of the exciton-biexciton splitting in a single self-assembled InGaAs quantum dots

Abstract

We report on single InGaAs quantum dots embedded in a lateral electric field device. By applying a voltage we tune the neutral exciton transition into resonance with the biexciton using the quantum confined Stark effect. The results are compared to theoretical calculations of the relative energies of exciton and biexciton. Cascaded decay from the manifold of single exciton-biexciton states has been predicted to be a new concept to generate entangled photon pairs on demand without the need to suppress the fine structures splitting of the neutral exciton.

References in corpus (7)

• Experimental quantum teleportation
• Entangled Photon Pairs from Semiconductor Quantum Dots
• Manipulating exciton fine-structure in quantum dots with a lateral electric field
• Manipulation of the Spontaneous Emission Dynamics of Quantum Dots in 2D Photonic Crystals
• Recent advances in exciton based quantum information processing in quantum dot nanostructures
• Entanglement on demand through time reordering
• Selective Optical Charge Generation, Storage and Readout in a Single Self Assembled Quantum Dot

Cited by in corpus (13)

• Surface plasmon resonance spectroscopy of single bowtie nano-antennas using a differential reflectivity method
• Acoustically regulated carrier injection into a single optically active quantum dot
• Complexes of dipolar excitons in layered quasi-two-dimensional nanostructures
• Radio frequency occupancy state control of a single nanowire quantum dot
• Relative stability of excitonic complexes in quasi-one-dimensional semiconductors
• Surface acoustic wave mediated carrier injection into individual quantum post nano emitters
• Emission redistribution from a quantum dot-bowtie nanoantenna
• Electric-field control of photon indistinguishability in cascaded decays in quantum dots
• Configuration space method for calculating binding energies of exciton complexes in quasi-1D/2D semiconductors
• Design of a 4-electrode optical device for application of vector electric fields to self-assembled quantum dot complexes
• Direct measurement of plasmon propagation lengths on lithographically defined metallic waveguides on GaAs
• Trions and biexcitons in a nanowire
• Dramatic impact of pumping mechanism on photon entanglement in microcavity