| Platform | Process Node | Cryogenic Rating | Notable Strength | |----------|--------------|------------------|------------------| | (Quanta Labs) | 3 nm GAA | 10 mK – 300 K | Integrated SFQ + ultra‑low noise | | IBM Q‑Chip‑X | 5 nm FinFET | 4 K – 300 K | Mature fab, strong EDA flow | | Intel Xe‑Quantum | 7 nm | 4 K – 300 K | 3‑D integration with silicon‑spin qubits | | TSMC Q‑Lite | 3 nm (N5) | 4 K – 300 K | High‑volume fab, but no built‑in cryo‑IO |
| Parameter | Value (typical) | |-----------|-----------------| | | 3 nm Gate‑All‑Around (GAA) FinFET | | Substrate | High‑purity silicon‑on‑insulator (SOI, 100 nm buried oxide) | | Gate dielectric | 0.7 nm high‑κ (HfSiON) | | Operating temperature range | 10 mK – 300 K | | Cryogenic I/O | Integrated Single‑Flux‑Quantum (SFQ) drivers + 50 Ω differential pairs | | On‑chip memory | 256 Mb Embedded DRAM (eDRAM) optimized for 4 K operation | | Power density | ≤ 8 µW mm⁻² at 10 mK | | Noise floor | 6 µV RMS (1 Hz‑10 GHz) at 10 mK | | Packaging | Flip‑chip BGA with superconducting Nb interposers (thermal expansion‑matched) | | Yield | 99.9999 % (≥ 10 k die per wafer) |
| Timeline | Milestone | Impact | |----------|-----------|--------| | | Release of JUQ‑716‑H (high‑density variant, 2 nm gate length) | Enables 8 k‑qubit control on a single die | | 2027 | Standardization : IEEE 802.3bt‑Q (Cryogenic Ethernet) built on JUQ‑716 I/O | Inter‑node quantum networking becomes plug‑and‑play | | 2028 | Full‑stack “Quantum‑Ready” SoC : 1 TB/s bandwidth, 10⁶‑qubit support | Paves the way for fault‑tolerant quantum computers in the cloud |
| Platform | Process Node | Cryogenic Rating | Notable Strength | |----------|--------------|------------------|------------------| | (Quanta Labs) | 3 nm GAA | 10 mK – 300 K | Integrated SFQ + ultra‑low noise | | IBM Q‑Chip‑X | 5 nm FinFET | 4 K – 300 K | Mature fab, strong EDA flow | | Intel Xe‑Quantum | 7 nm | 4 K – 300 K | 3‑D integration with silicon‑spin qubits | | TSMC Q‑Lite | 3 nm (N5) | 4 K – 300 K | High‑volume fab, but no built‑in cryo‑IO |
| Parameter | Value (typical) | |-----------|-----------------| | | 3 nm Gate‑All‑Around (GAA) FinFET | | Substrate | High‑purity silicon‑on‑insulator (SOI, 100 nm buried oxide) | | Gate dielectric | 0.7 nm high‑κ (HfSiON) | | Operating temperature range | 10 mK – 300 K | | Cryogenic I/O | Integrated Single‑Flux‑Quantum (SFQ) drivers + 50 Ω differential pairs | | On‑chip memory | 256 Mb Embedded DRAM (eDRAM) optimized for 4 K operation | | Power density | ≤ 8 µW mm⁻² at 10 mK | | Noise floor | 6 µV RMS (1 Hz‑10 GHz) at 10 mK | | Packaging | Flip‑chip BGA with superconducting Nb interposers (thermal expansion‑matched) | | Yield | 99.9999 % (≥ 10 k die per wafer) | juq-716
| Timeline | Milestone | Impact | |----------|-----------|--------| | | Release of JUQ‑716‑H (high‑density variant, 2 nm gate length) | Enables 8 k‑qubit control on a single die | | 2027 | Standardization : IEEE 802.3bt‑Q (Cryogenic Ethernet) built on JUQ‑716 I/O | Inter‑node quantum networking becomes plug‑and‑play | | 2028 | Full‑stack “Quantum‑Ready” SoC : 1 TB/s bandwidth, 10⁶‑qubit support | Paves the way for fault‑tolerant quantum computers in the cloud | | Platform | Process Node | Cryogenic Rating