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Updated: Jul 18, 2026

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source
Published on: April 4, 2017
Nondestructive optical measurements of a single electron spin in a quantum dot
J Berezovsky1, M H Mikkelsen, O Gywat
1Center for Spintronics and Quantum Computation, University of California, Santa Barbara, CA 93106, USA.
Abstract:
Kerr rotation measurements on a single electron spin confined in a charge-tunable semiconductor quantum dot demonstrate a means to directly probe the spin off-resonance, thus minimally disturbing the system. Energy-resolved magneto-optical spectra reveal information about the optically oriented spin polarization and the transverse spin lifetime of the electron as a function of the charging of the dot. These results represent progress toward the manipulation and coupling of single spins and photons for quantum information processing.
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