|
ISSCC ‘20 |
ISSCC ‘19 |
RSI ‘17 |
Spin qubit setup |
Operating Temperature |
3K |
3K |
300 K |
300 K |
Qubit platform |
Spin qubits + transmons |
Transmons |
Transmons |
Spin qubits |
Qubit frequency |
2-20 gHz |
4-8 gHz |
|
< 20 gHz |
Channels |
128 (32 per TX) |
1 |
4 |
1 |
FDMA |
Yes, SSB |
No |
Yes, SSB |
No |
Data Bandwidth |
1 gHz |
400 gHz |
960 MHz |
520 MHz |
Image & LO leakage calibration |
On chip |
Off Chip |
Yes |
|
Phase correction |
Yes |
No |
No |
No |
Fidelity |
99.99% |
- |
- |
- |
Waveform / Instructions |
Up to 40960 pts AWG |
Fixed 22 pts symmetric |
|
16M pts AWG |
Instruction Set |
Yes |
No |
Yes |
Yes |
Power / TX |
Analog: 1.7 mW/qubit* Digital: 330 mW‡ |
Analog: <2 mW/qubit# Digital: N/A |
|
850W |
Chip area TX |
4 mm2 |
1.6 mm2 |
Discrete |
Rack mount |
Technology |
Intel 22nm FFL CMOS |
28 nm bulk CMOS |
Discrete components |
Rack mount |
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