Opportunity Information: Apply for W911NF 23 S 0012
The Foundations of Superconducting Digital Logic (FSDL) opportunity (Funding Opportunity Number W911NF 23 S 0012) is a Department of Defense research solicitation led by the DEVCOM Army Research Laboratory, Army Research Office (ARL-ARO), working in collaboration with the Laboratory for Physical Sciences (LPS). It focuses on early-stage, foundational science and engineering aimed at unlocking the next leap in superconducting electronics (SCE), especially for digital logic. The government interest here is straightforward: superconducting circuits can, in principle, deliver extremely fast computation with far lower energy dissipation than conventional semiconductor logic, but the field has been slow to scale into dense, reliable, system-level hardware. This program is meant to identify what is fundamentally holding SCE back and to fund research that can break through those bottlenecks.
At the heart of the program is the idea that superconducting digital logic has known advantages, but it is still constrained by a handful of persistent technical challenges that show up when you try to build larger, more complex circuits. FSDL is specifically looking for proposals that study and solve foundational limitations across multiple layers of the technology stack. The solicitation highlights research areas such as superconducting materials and processing, Josephson junction behavior and variability, flux trapping and magnetic effects that can disrupt circuit operation, and higher-level architecture considerations that affect how reliably and densely circuits can be integrated. In other words, the program is not only interested in making a single device slightly better; it is interested in understanding and fixing the underlying causes of poor scaling, low yield, parameter spread, environmental sensitivity, and reliability issues that prevent SCE from becoming a practical, high-density digital platform.
The intended outcome is a stronger technical foundation that enables major improvements in both circuit density and reliability for future superconducting-electronics-based systems. Density matters because the usefulness of any logic family ultimately depends on how many devices can be integrated per unit area and how complex a system can be built without becoming unmanageable. Reliability matters because superconducting logic can be uniquely sensitive to subtle fabrication variations and magnetic or thermal conditions, and those sensitivities can become showstoppers as circuits grow. By encouraging innovative approaches to long-standing problems such as junction uniformity, defect mechanisms, trapped flux mitigation, and architecture choices that tolerate or avoid these issues, FSDL is positioned as a catalyst for breakthroughs rather than incremental optimization.
From an administrative standpoint, this is a discretionary funding opportunity in the science and technology / research and development category (CFDA 12.431). The listed funding instruments include cooperative agreements, grants, other transaction-style mechanisms, and even procurement contracts, which signals flexibility in how the government can structure awards depending on the scope and nature of proposed work and the level of collaboration anticipated. The opportunity was created on July 12, 2023, with an original closing date of October 31, 2023. The award ceiling is listed as 0, which typically means a specific maximum dollar cap was not provided in the public summary and that interested applicants would need to consult the full announcement for constraints, budgeting guidance, and any topic-specific limits.
Eligibility is shown as "Others" with additional clarification referenced in the full text, which usually indicates that eligibility may extend beyond only traditional academic institutions and could include entities such as nonprofits, industry, federally funded research and development centers, or other qualified organizations, depending on the detailed eligibility language. The listing shows an "ExpectedAwards" value of 1000, which is best interpreted cautiously as a system entry rather than a literal expectation; the true number of awards in specialized R&D programs is typically much smaller and is usually clarified in the full solicitation or subsequent award announcements.
Overall, FSDL is best understood as a foundational research push to remove the scientific and engineering roadblocks that have limited the scale-up of superconducting digital logic. It is aimed at advancing the enabling knowledge and techniques, from materials and Josephson junction physics up through circuit and architecture strategies, so that future SCE systems can be built with substantially higher integration density and significantly improved operational robustness.Apply for W911NF 23 S 0012
- The Department of Defense, Dept of the Army -- Materiel Command in the science and technology and other research and development sector is offering a public funding opportunity titled "FOUNDATIONS OF SUPERCONDUCTING DIGITAL LOGIC (FSDL)" and is now available to receive applicants.
- Interested and eligible applicants and submit their applications by referencing the CFDA number(s): 12.431.
- This funding opportunity was created on Jul 12, 2023.
- Applicants must submit their applications by Oct 31, 2023. (Agency may still review applications by suitable applicants for the remaining/unused allocated funding in 2026.)
- The number of recipients for this funding is limited to 1,000 candidate(s).
- Eligible applicants include: Others (see text field entitled Additional Information on Eligibility for clarification).
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Foundations of Superconducting Digital Logic (FSDL) - FAQs
What is the Foundations of Superconducting Digital Logic (FSDL) opportunity?
FSDL is a Department of Defense research solicitation focused on early-stage, foundational science and engineering to enable major advances in superconducting electronics (SCE), with a particular emphasis on superconducting digital logic.
What is the Funding Opportunity Number for FSDL?
The Funding Opportunity Number is W911NF 23 S 0012.
Which government organizations are leading and collaborating on this solicitation?
The solicitation is led by DEVCOM Army Research Laboratory, Army Research Office (ARL-ARO), working in collaboration with the Laboratory for Physical Sciences (LPS).
What is the main government interest behind this program?
The government is interested in superconducting circuits because they can potentially deliver extremely fast computation with far lower energy dissipation than conventional semiconductor logic. The program targets the fundamental reasons the field has been slow to scale into dense, reliable, system-level hardware.
Is this opportunity aimed at basic research or applied development?
Based on the description, the opportunity is centered on early-stage, foundational science and engineering intended to uncover and overcome fundamental barriers to scaling superconducting digital logic.
What kinds of research topics does FSDL encourage?
The solicitation highlights foundational limitations across multiple layers of the superconducting digital logic technology stack, including superconducting materials and processing, Josephson junction behavior and variability, flux trapping and magnetic effects, and higher-level circuit and architecture considerations related to density and reliability.
What is meant by "foundational limitations across multiple layers of the technology stack"?
It means the program is interested in work that explains and addresses root causes of scaling problems, not just isolated device improvements. The focus spans from materials and fabrication issues up through circuit behavior and architecture strategies that influence integration density and robustness.
Why does the solicitation emphasize Josephson junction behavior and variability?
Josephson junctions are central components in many superconducting logic approaches, and the solicitation notes that junction behavior and variability can contribute to parameter spread, yield limitations, and reliability issues as circuits grow in size and complexity.
What is flux trapping and why is it important in this program?
Flux trapping refers to trapped magnetic flux that can disrupt superconducting circuit operation. The opportunity specifically calls out flux trapping and magnetic effects as factors that can undermine reliable operation, especially as circuits scale.
Is FSDL looking for incremental improvements or major breakthroughs?
The program is positioned as a catalyst for breakthroughs, with an emphasis on identifying and solving underlying causes of poor scaling, low yield, environmental sensitivity, and reliability issues rather than making only incremental optimizations.
What outcomes is the program trying to achieve?
The intended outcome is a stronger technical foundation that enables major improvements in circuit density and reliability for future superconducting-electronics-based systems.
Why is circuit density a major focus area?
Density determines how many devices can be integrated per unit area and how complex a system can become without becoming impractical. The opportunity highlights density as a key factor limiting the usefulness of superconducting digital logic as a high-density digital platform.
Why is reliability highlighted as a key challenge for superconducting logic?
The description notes that superconducting logic can be uniquely sensitive to subtle fabrication variations and to magnetic or thermal conditions. These sensitivities can become major obstacles as circuits increase in scale and complexity.
What types of bottlenecks is the program trying to overcome?
FSDL targets persistent bottlenecks that appear when building larger circuits, including poor scaling, low yield, parameter spread, environmental sensitivity, and reliability issues. It also points to long-standing issues such as junction uniformity, defect mechanisms, trapped flux mitigation, and architecture choices.
What category of funding opportunity is this?
This is described as a discretionary funding opportunity in the science and technology / research and development category, associated with CFDA 12.431.
What funding instruments may be used for awards under this opportunity?
The listing indicates that awards may use cooperative agreements, grants, other transaction-style mechanisms, and procurement contracts. This suggests the government may choose different award structures depending on the nature and scope of the proposed work and expected collaboration.
When was this opportunity created and when did it originally close?
The opportunity was created on July 12, 2023, and the original closing date was October 31, 2023.
What is the award ceiling for this opportunity?
The public summary lists an award ceiling of 0, which typically indicates that a specific maximum dollar cap was not provided in the summary. Applicants would generally need to consult the full announcement for budgeting constraints and any topic-specific limits.
Who is eligible to apply?
Eligibility is shown as "Others" with additional clarification referenced in the full text. This usually suggests eligibility may extend beyond traditional academic institutions and may include other qualified organizations, depending on the detailed eligibility language in the full announcement.
Does the "ExpectedAwards" value mean there will be 1000 awards?
The listing shows an "ExpectedAwards" value of 1000, but the description cautions that this should be interpreted carefully as a system entry rather than a literal expectation. The actual number of awards for specialized R&D programs is typically smaller and is usually clarified in the full solicitation or later award information.
Is the program limited to improving a single device or component?
No. The description emphasizes that FSDL is not only interested in making a single device slightly better; it is interested in understanding and correcting fundamental causes of scaling and reliability problems across materials, devices, circuits, and architecture choices.
What is the overall purpose of FSDL in plain terms?
FSDL is a foundational research effort to remove scientific and engineering roadblocks that have limited the scale-up of superconducting digital logic, enabling future superconducting electronics systems to achieve much higher integration density and improved operational robustness.
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