Quad quantum dot ver. 2I am inspired by a four-leaf clover.

Quad quantum dotIt becomes complicated.

Large quantum point contact

Device for charge deterction with quantum point contact ver. 2We made the gaps wider.

Device for charge deterction with quantum point contactGaps between the gates are too small to survive in a season of static electricity.

Circular simple quantum dot

Double side-coupled quantum dot ver. 2The size is smaller.

Double side-coupled quantum dot

My first electron beam lithography