SCREEN Holdings Takes On Neutral-Atom Optics for Japan's NEDO Programme. No Money, No Timeline and No Qubit Target Has Been Disclosed

by Karl Lindström · September 2, 2026

Semiconductors & Hardware Reporter, Frontier Tech Wire

SCREEN Holdings said on Aug. 31 that it will begin joint research with Yaqumo, a Japanese neutral-atom quantum computing startup, to develop optical modules for large-scale quantum processors. The work sits under a Japanese state programme run by NEDO, the New Energy and Industrial Technology Development Organization, for which Yaqumo has been selected. Frontier Tech Wire checked SCREEN's own release and the accounts published by The Quantum Insider and Quantum Computing Report: none of the three states a grant figure, a contract value, a schedule, a delivery date or a qubit target. Readers should treat the announcement accordingly. It is a statement of intent about components, not a claim about machine performance.

The programme's full title, as given in SCREEN's release, is the Post-5G Information and Communication Systems Infrastructure Enhancement R&D Project, under the strand for accelerating the development and demonstration of next-generation quantum computers for solving social issues, and specifically the development of components and materials for the realisation of large-scale quantum computers. The naming matters more than it looks. Japan has been routing quantum hardware money through the same industrial-policy vehicle it used for post-5G semiconductors, which tells you the state is treating quantum components as a supply-chain problem rather than a science problem.

Why optics is the constraint for neutral atoms

In a neutral-atom quantum computer, individual atoms are held in optical tweezers and manipulated with light. There is no wiring harness of the kind that dominates the engineering of superconducting machines; the control layer is a beam path. That shifts the scaling bottleneck onto the optics. Addressing thousands of atoms individually and fast enough to run error correction requires spatial light modulators that can refresh far more quickly than the display-derived parts the field has historically borrowed, and objective lenses that behave predictably across several wavelengths at once.

Those are the two pieces SCREEN's own release names, and it names only those two: a high-speed spatial light modulator module for rapid individual-atom addressing, and a multi-wavelength objective lens. The trade accounts go further than the release does. The Quantum Insider and Quantum Computing Report both describe additional strands covering environmentally robust optics, with Quantum Computing Report specifying low-thermal-expansion materials so that a module holds alignment outside a laboratory, and both list photonic integrated circuits as a longer-term route to a more compact system. Those additional strands are the trade outlets' reporting rather than anything stated in the release Frontier Tech Wire read.

The standardisation angle is the commercially interesting one

The most consequential detail is easy to skim past, and it too comes from the trade coverage rather than from SCREEN's release. The Quantum Insider reports an intention to design a standard module system that can be applied across multiple quantum computer vendors and to promote the standardisation of interface specifications; Quantum Computing Report describes the same ambition more narrowly, as a standardised optical interface for units integrated across multiple neutral-atom hardware vendors. Either way it is a component-supplier posture rather than a systems-integrator posture, and it is consistent with what SCREEN is: a manufacturer of semiconductor process equipment and precision optics that sells to an industry, not a company that builds computers.

The stated rationale for the project, as summarised in the trade coverage, is that existing optical core components have insufficient specifications for this application, that Japanese developers depend on overseas suppliers, and that the supply structure is fragmented and lacks modularisation. Whether a domestic module business emerges from that is an open question. What is not in doubt is that a neutral-atom industry buying its critical optics from a handful of foreign vendors is a strategic exposure that several governments have now noticed.

Yaqumo is a young company. It was founded on April 1, 2025, is headquartered in the Marunouchi district of Chiyoda-ku, Tokyo, and traces its technology to the Takahashi laboratory at Kyoto University and the Ohmori laboratory at the Institute for Molecular Science. Kazuhiro Nakashoji is representative director and chief executive. The Quantum Insider reports that the company had already been selected for two NEDO programmes during 2025, and lists prior collaborations with Hamamatsu Photonics, Entropica Labs of Singapore, QC Design of Germany and, under a letter of intent, the Indian Institute of Science.

On the SCREEN side, the named executive is Masahiko Kokubo, executive officer in charge of innovation, who in the company's release points to the optical technologies SCREEN has built up through electronic device manufacturing and says the company will bring them to bear on improving system performance and on the development of the field. Nakashoji, for his part, says the NEDO selection will let Yaqumo further accelerate the industrialisation of quantum computers. Frontier Tech Wire notes that the English renderings of both statements differ between the company release and the trade coverage, and has therefore reported them indirectly rather than quoting a translation.

What would make this material

For now there is nothing here to model. No contract value has been published, no delivery date has been given, and no specification has been attached to the spatial light modulator refresh rate or the objective lens design. The announcement's value is as a signal about where a listed equipment maker thinks its optics competence can be redeployed, and about how Japan is sequencing its quantum industrial policy.

The tests worth applying later are ordinary industrial ones. Does a module ship to a customer other than Yaqumo? Does SCREEN break out any quantum-related revenue, and if so under statutory reporting or under its own segment definitions? And does the standardisation ambition survive contact with vendors whose atom-addressing schemes differ enough that a common module becomes a lowest-common-denominator part? None of those questions can be answered from an August press release.

SCREEN Holdings is listed in Tokyo. Yaqumo is privately held. Nothing in this article is investment advice.