3 papers
quant-ph2025
A single optically detectable tumbling spin in silicon
Félix Cache, Yoann Baron, Baptiste Lefaucher +9
We demonstrate single spin spectroscopy of a fluorescent tumbling defect in silicon called the G center, behaving as a pseudo-molecule randomly reorienting itself in the crystallin…
physics.optics2025
Bright and pure single-photon source in a silicon chip by nanoscale positioning of a color center in a microcavity
Baptiste Lefaucher, Yoann Baron, Jean-Baptiste Jager +8
We present an all-silicon source of near-infrared linearly-polarized single photons, fabricated by nanoscale positioning of a color center in a silicon-on-insulator microcavity. Th…
physics.optics2023
Purcell enhancement of silicon W centers in circular Bragg grating cavities
Baptiste Lefaucher, Jean-Baptiste Jager, Vincent Calvo +11
Generating single photons on demand in silicon is a challenge to the scalability of silicon-on-insulator integrated quantum photonic chips. While several defects acting as artifici…