Exchange interaction

The distance (in frequency unit) between two branches directly measures exchange interaction between two individual electron spins. The z-value is the excited state probability of one of the two spins.

2023 graduation

Congratulations. Kiho & Wonjin !

2023 graduation

Congratulations, Byungwoo !

Spin qubit device in 28Si: optical microscope image

Overlaid gate structure : fab. recipe finally perfected! Image Courtesy: Mr. Jaemin Park
We stole many ideas from the paper: https://www.nature.com/articles/s41586-022-05117-x

Quantum oscillation of a singlet-triplet qubit in 28Si

Indeed 28Si enables the highest quality ! Image Courtesy : Mr. Jongin Yun

Beautiful charge stability

Double Quantum Dot stability diagram in isotopically purified 28Si

Dr. Jehyun Kim graduation

Congratulations ! We wish for your best in your new post-doc position.

Dr. Cho graduation

Congratulations. We wish for your best in your new position.

Silicon spin qubit test device

At last, 30nm width, 60nm pitch, < 10 nm alignment achieved !

Another PCB

For controlling four qubits. Image courtesy of Hanseo Sohn

2022 Teacher's day

Thanks guys ! - no masks with beautiful daylight... at last !

Dr. Jiwon Yun

Congratulations Jiwon for your Ph.D graduation !

Upgrading filter banks

LC+RC filter banks for reducing electron temperature. Image courtesy of Mr. Sangwoo Shim

Monster PCB

for controlling 10 qubits. Image courtesy of Mr. Jaemin Park and Mr. Jaehyun Kim

2nd dil. fridge

Sample loading practice

Faulty PCB

Prof. Kim tries to fix a faulty circuit board... and he only made it worse.

Group photo 2021.5.14

We wish this pandemic situation ends soon.

Group photo 2019.5.15

Thanks guys !

Triton 500

Our main workhorse. Triton dilution refrigerator #1

2nd generation triton

Equipment arrived.. Waiting for engineer..

Exchange interaction

The distance (in frequency unit) between two branches directly measures exchange interaction between two individual electron spins. The z-value is the excited state probability of one of the two spins.

2023 graduation

Congratulations. Kiho & Wonjin !

2023 graduation

Congratulations, Byungwoo !

Spin qubit device in 28Si: optical microscope image

Overlaid gate structure : fab. recipe finally perfected! Image Courtesy: Mr. Jaemin Park
We stole many ideas from the paper: https://www.nature.com/articles/s41586-022-05117-x

Quantum oscillation of a singlet-triplet qubit in 28Si

Indeed 28Si enables the highest quality ! Image Courtesy : Mr. Jongin Yun

Beautiful charge stability

Double Quantum Dot stability diagram in isotopically purified 28Si

Dr. Jehyun Kim graduation

Congratulations ! We wish for your best in your new post-doc position.

Dr. Cho graduation

Congratulations. We wish for your best in your new position.

Silicon spin qubit test device

At last, 30nm width, 60nm pitch, < 10 nm alignment achieved !

Another PCB

For controlling four qubits. Image courtesy of Hanseo Sohn

2022 Teacher's day

Thanks guys ! - no masks with beautiful daylight... at last !

Dr. Jiwon Yun

Congratulations Jiwon for your Ph.D graduation !

Upgrading filter banks

LC+RC filter banks for reducing electron temperature. Image courtesy of Mr. Sangwoo Shim

Monster PCB

for controlling 10 qubits. Image courtesy of Mr. Jaemin Park and Mr. Jaehyun Kim

2nd dil. fridge

Sample loading practice

Faulty PCB

Prof. Kim tries to fix a faulty circuit board... and he only made it worse.

Group photo 2021.5.14

We wish this pandemic situation ends soon.

Group photo 2019.5.15

Thanks guys !

Triton 500

Our main workhorse. Triton dilution refrigerator #1

2nd generation triton

Equipment arrived.. Waiting for engineer..