Develop the Foundation for Scalable Quantum Computing
Latest Press Releases
Our Technological Progress
We share our results in arXiv and peer-reviewed journals to demonstrate the credibility of our science and engineering, maintaining transparency in our progress, and contribute to strengthening the quantum ecosystem.
Overcoming the Limits of Quantum Scalability
We are developing quantum interconnect hardware to overcome this bottleneck, enabling the transition to modular, networked quantum systems
Our Quantum Interconnect Design Principles
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QPU Centric is EssentialDirect physical integration with the QPU—rather than off-unit connections—ensures both speed and fidelity in quantum computing. -
Optical Fiber Stays Effective in QuantumOptical fiber retains its dominant capabilities and unique position, even with the rise of silicon photonics. -
Cavity QED Unlocks EfficiencyOperating with a low-loss cavity is critical for achieving efficient conversion between matter qubits and flying qubits.
We’re a global-minded team rooted in Japan’s engineering excellence, solving tough, high-impact problems with scalable, sustainable solutions for the quantum ecosystem.
Ultra-Low-Loss Nanofiber Cavity Engineered for QPUs
Cavity Quantum Electrodynamics (QED) is a well-established field of physics and a powerful platform for coupling stationary and flying qubits — essential for modular and networked quantum computing. Its adoption, however, has long been limited by the challenge of creating a cavity that is both QPU-ready and seamlessly integrable.
We have overcome this challenge. Leveraging over a decade of engineering innovation, we have developed a proprietary nanofiber cavity that unlocks the advantage of cavity QED while maintaining compatibility with optical fiber and existing QPU architectures — enabling strong atom–photon coupling and paving the way for scalable quantum interconnects.
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<1 dB/mMaintains ultra-low loss while incorporating a nanostructure, outperforming state-of-the-art nanophotonic waveguides.
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+ 1mmExtended nanophotonic structure delivers uniform evanescent fields, enabling atom-photon coupling over long distances.
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+4000High finesse enabled by low-loss FBGs enhances the evanescent field for strong atom-photon coupling.
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+10 yearsEngineering excellence through continuous innovation and refinement.
High-Bandwidth Quantum Interconnect
A quantum interconnect links quantum processing units (QPUs) via photons, transforming isolated processors into modular, networked systems. Built on our proprietary nanofiber cavity technology, we deliver high-bandwidth quantum interconnects with the following unique advantages.
Compatibility
– Integrates seamlessly with neutral atom QPUs & optical fiber network
– Architecture adaptable to neutral atom computing operations (e.g., Rydberg gate)
Sustainability
– Operates at room temperature
– Compatible with existing optical fiber technology
High Bandwidth & Capacity
– Enables high-fidelity, fast entanglement generation through cavity enhancement
– Scales efficiently by parallelizing hundreds of qubits within a single cavity
Long-Distance
– Intrinsic telecom-wavelength photons available
– Quantum repeater functionality included
Realizing Scalable and Connected Systems
Our interconnect forms the foundation of the quantum network, unlocking quantum advantage not only in computing but also in secure communication—enhancing computational capabilities while enabling secure, multi-user access across distant locations.
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Latest News and Update
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