Electron spin resonance spectroscopy using a superconducting flux qubit featuring high sensitivity and spatial resolution

- Highly sensitive detection of electron spins in a micrometer scale area -

NTT Basic Research Laboratories (NTT-BRL) have realized electron spin*1 resonance*2 (ESR) spectroscopy using a superconducting flux qubit*3 for a small number of electron spins in a tiny sample volume...

Successful nanowire lasing at room temperature in the optical communication wavelength range

— A path to optical-electronic circuit integration for telecom-band micro laser source—

NTT Basic Research Laboratories succeeded in lasing at room temperature in the optical communication wavelength range (not realized by nanowires) by creating a high-quality nanowire*1 laser structure ...