Mainz 2026 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 29: Poster – Quantum Technologies I

Q 29.17: Poster

Tuesday, March 3, 2026, 17:00–19:00, Philo 2. OG

Electric Field Control of Optical Properties of Carbon Based Quantum Emitters in Hexagonal Boron Nitride — •Niklas Pichel, Mohammad Nasimuzzaman Mishuk, Julien Chénedé, and Tobias Vogl — Department of Computer Engineering, School of Computation, Information and Technology, Technical University of Munich, 80333 Munich, Germany

Color centers in two-dimensional hexagonal boron nitride (hBN) are a compelling platform for realizing stable single photon sources at room temperature. The possibility for on-chip integration of these quantum emitters into e.g. waveguides/photonic integrated circuits is especially appealing for realizing compact and scalable photonic quantum technologies. For these applications, the precise control of the spectral and polarization properties of the photons generated from these color centers plays a crucial role to achieve optimal performance of quantum communication systems or to generate indistinguishable photons required for quantum computing. In this work, we investigate the tunability of the emission wavelength and polarization axis as well as spectral linewidth of single photons emitted from quantum emitters in hBN by applying an external electric field in arbitrary directions. We furthermore perform time-dependent measurements to reveal how the polarization dynamics change under the influence of an applied electric field.

Keywords: 2D materials; hBN; Quantum emitters