[We-A2-G] Coherence and Control of Solid-State Quantum Emitters

11:00 AM - 11:30 AM JST(2:00 AM - 2:30 AM UTC)

[We-A2-G-01 (Invited)] Temporal Coherence of Room-Temperature Single Photons
from Hexagonal Boron Nitride Defects

〇Luis Viña^1,4, Juan Vidal Martínez-Pons¹, Sang Kyu Kim², Max Behrens¹, Alejandro Izquierdo-Molina¹, Adolfo Menendez Rua¹, Serkan Pacal³, Serkan Ateş³, Carlos Antón-Solanas^1,4 (1. Dept. Física Materiales & Inst. Nicolás Cabrera, Madrid (Spain), 2. Walter Schottky Inst., Technische Univ. München (Germany), 3. Dept. of Physics, Izmir Inst. of Tech. Izmir (Turkey), 4. Centro Física Materia Condensada, IFIMAC (Spain))

We report the coherence time of the single photons emitted by hexagonal Boron Nitride defects in a nanocrystal at room temperature measured via Michelson interferometry. We obtain that the phonon dephasing processes are four orders of magnitude faster than the spontaneous decay of the emitters.