About
QphoX, founded in 2021 in Delft, Netherlands, develops quantum modems to enable quantum computers to connect over long distances via room-temperature links, building the world's first quantum modem.
Technology & BusinessWhat · How · Which stage
Stack LayerQuantum ComputingHighEvidence
量子调制解调器，让量子计算机通过室温连接实现远距离连接——量子生态配套
Source：Official site · Updated 2026-09-10 · View source
Technology PathQuantumHighEvidence
量子调制解调器，让量子计算机通过室温连接实现远距离连接——量子生态配套
Source：Official site · Updated 2026-09-10 · View source
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Capital graph
Company· 12
Investor· 6
Founders / team· 1
Funding history
- 2024-01New funding round$9M
Investors · Speedinvest, EIC Fund, QDNL Participations, Delft Enterprises, Quantonation, High-Tech GründerfondsSource · SVTR Weekly #036
Comparable companies· by market
This company
BusinessLatest roundTotal raisedDate- QphoX
Quantum modems that link quantum computers over long distances via room-temperature connections
Undisclosed · $9M · 2024-01
$9M
United States
BusinessLatest roundTotal raisedDate- Lightsynq
Commercial technology for networking quantum computers
Series A · $18M · 2024-11
$18M - Photon Queue
Room-temperature quantum memory devices that store and synchronize single photons for quantum computing and networks
Seed · $4M · 2026-07
$4M - memQ
Optical communication links for distributed quantum computing
Series A · $20M · 2026-04
$20M
China
BusinessLatest roundTotal raisedDate- Logical Qubit
Superconducting quantum chip design, fabrication and control, plus quantum computing cloud services.
Series A · $7M · 2026-07
$7M - 硅臻芯片
Developer of integrated photonic quantum chips
Series B · $8M · 2025-05
$8M - Origin Quantum
Develops complete superconducting quantum computers and quantum chips, and is building 1,000-qubit and 10,000-qubit pilot lines as well as a 12-inch quantum chip pilot line
Pre-IPO · $556M · 2026-06 · Valuation $2.9B
$556MValuation $2.9B
Europe
BusinessLatest roundTotal raisedDate- C12
Develops quantum computers using carbon nanotube technology
Undisclosed · $19M · 2024-06
$19M - Quanscient
Software using quantum computing to simulate complex physical systems
Series A · $22M · 2026-05
$22M - Ephos
Designs and manufactures glass-based photonic chips for quantum computing, telecommunications, high-speed data transmission and more
Seed · $9M · 2024-09
$9M
Other / unspecified
BusinessLatest roundTotal raisedDate- Diraq
Qubits built on conventional silicon wafers to make quantum computing more accessible and cost-effective
Series A · $15M · 2024-02
$15M - Iceberg Quantum
Fault-tolerant quantum computing architecture that significantly reduces the hardware needed for error correction to speed progress toward practical quantum computing
Seed · $8M · 2026-02
$8M - Qunova Computing
Quantum software algorithms for complex simulation and optimization at chemical, pharmaceutical and industrial companies
Series A · $10M · 2025-08
$10M
Confirmed rounds only. Matched on subsector, sector, stage and funding scale — each verifiable on the company profiles.
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