Session 6-1

Abstract

In this talk, I will highlight our recent efforts on the development of new class of 2D material-based quantum light emitters and exploit of proximity interactions in realization of chiral quantum light emitters. 2D-Quantum emitters have generated a lot of excitement for their potential in quantum information technologies. Most of the QE realized to date operate at wavelengths shorter than 1 micron. Here I will present three new 2D quantum emitters capable of wavelength tunable single photon emission across 1000-1600 nm NIR spectral range and operation at liquid nitrogen temperatures. The QEs were realize via strain engineering of MoTe₂,[1] WSe₂/MoS₂,[2] and InSe₂[3] 2D materials.
Next, I will show that circularly polarized single photon emission can be achieved without the application of a high external magnetic field, injection of spin-polarized carriers and coupling to complex chiral metamaterial structures. Our experiment shows that QE created at the same location as the magnetic defect in 2D correlated antiferromagnet, NiPS₃, can borrow magnetic properties of the magnetic defect through proximity induced exchange interaction and emit circularly polarized single photons.[4]