Emerging Frontiers in Research and Innovation (EFRI) Program Solicits Proposals for Wave-Based Computing

The National Science Foundation (NSF) Directorate for Engineering has announced a new solicitation under its Emerging Frontiers in Research and Innovation (EFRI) program, focusing on Wave-Based Computing (WBC). This initiative aims to propel foundational and transformative research into novel computing paradigms that leverage the principles of wave dynamics. The program seeks to foster the development of new computational approaches, ranging from exploratory concepts to large-scale, multidisciplinary projects, with the ultimate goal of achieving significant shifts in foundational engineering knowledge and impacting strategic technology priorities.

EFRI Program: A Catalyst for Transformative Engineering Research

The EFRI program has established itself as a crucial mechanism for the NSF Directorate for Engineering to identify and invest in nascent, high-potential areas of research. Its core mission is to support groundbreaking ideas that have the potential to redefine existing scientific and technological landscapes. Research funded through EFRI is expected to demonstrate a clear trajectory towards long-term impact on national science and technology (S&T) missions, as outlined in the Administration’s Fiscal Year (FY) 2028 Research and Development (R&D) Budget Priorities Memorandum. While the full realization of these impacts is not necessarily expected within the research period, proposals must articulate a clear "use-inspired" approach, demonstrating how the proposed work will lay the groundwork for these critical national priorities.

This latest EFRI solicitation, specifically focusing on Wave-Based Computing, reflects a broader strategic imperative to explore and develop the next generation of computational tools. The solicitation is designed to be flexible, accommodating a portfolio of funding mechanisms that align with the diverse nature of scientific challenges. This includes two-year EArly-concept Grants for Exploratory Research (EAGER) awards, which are ideal for testing novel, high-risk, high-reward concepts, and larger, four-year awards. This tiered approach is informed by the NSF’s strategic vision, articulated in documents like "Science: A New Golden Age," which emphasizes the need for adaptable funding structures to support ambitious scientific endeavors.

The Promise of Wave-Based Computing

The core of the EFRI WBC solicitation lies in its focus on harnessing wave dynamics for computational purposes. Traditional computing, based on binary logic and the manipulation of discrete electrical charges, has reached significant milestones but also faces inherent physical limitations in terms of speed, energy efficiency, and scalability. Wave-based computing offers a fundamentally different approach, drawing inspiration from the behavior of waves, such as light, sound, or quantum mechanical matter waves.

Waves possess intrinsic properties like superposition, interference, and diffraction, which can be exploited to perform complex calculations. For instance, superposition allows a wave to exist in multiple states simultaneously, potentially enabling a form of parallelism far beyond current digital architectures. Interference can be used to amplify or cancel specific wave components, a principle that could be applied to complex signal processing or optimization problems. Diffraction, the bending of waves around obstacles, could be leveraged for novel routing and processing of information.

The potential benefits of wave-based computing are substantial. Researchers envision systems that could achieve unprecedented computational speeds, process information with significantly lower energy consumption, and potentially solve problems currently intractable for even the most powerful supercomputers. These could include advancements in artificial intelligence and machine learning, drug discovery and materials science through complex simulations, secure communications, and sophisticated sensor networks.

Dual Funding Tracks for Diverse Research Approaches

To accommodate the spectrum of research in wave-based computing, the EFRI WBC solicitation will support two distinct tracks:

• Early-Concept Grants for Exploratory Research (EAGER): This track is designed for innovative, high-risk, high-reward ideas that are in their nascent stages. EAGER awards provide rapid funding for exploratory research, allowing PIs to test novel hypotheses and gather preliminary data to assess the feasibility of potentially transformative concepts. These grants typically have a duration of up to two years.
• Larger, Transformative Research Awards: These awards are intended for more mature research proposals that outline ambitious, multidisciplinary projects with a strong potential for significant impact. These grants are typically of longer duration, up to four years, and support the development and validation of more comprehensive wave-based computing systems or fundamental breakthroughs in the underlying physics and engineering.

This dual-track approach ensures that both groundbreaking, unproven ideas and more developed, potentially scalable projects receive the necessary support to advance the field.

Encouraging Industry Collaboration

Recognizing the critical role of industry in translating fundamental research into practical applications and commercial innovations, the EFRI WBC program strongly encourages collaboration with industry partners. Proposers are advised to consider formal mechanisms for such collaborations, such as the NSF Grant Opportunities for Academic Liaison with Industry (GOALI) program. GOALI facilitates partnerships between academic researchers and industry, fostering the exchange of knowledge, resources, and expertise. This can lead to more impactful research outcomes, accelerate the development of new technologies, and ensure that the research is aligned with real-world needs and market opportunities. Industry involvement can provide valuable insights into practical challenges, access to specialized equipment, and a pathway for the eventual commercialization of wave-based computing technologies.

Background and Context: A Shifting Landscape of Computation

The timing of this solicitation is significant, as the field of computing is at a critical juncture. While classical silicon-based computing has driven the digital revolution, it is increasingly confronting fundamental physical limits. Moore’s Law, the observation that the number of transistors on a microchip doubles approximately every two years, has been a driving force for decades but is showing signs of slowing down. Furthermore, the energy demands of ever-increasing computational power are becoming a significant concern.

This has spurred intense research into alternative computing paradigms, including quantum computing, neuromorphic computing, and, as highlighted by this solicitation, wave-based computing. Each of these approaches offers unique advantages and faces distinct challenges. Quantum computing, for instance, leverages quantum mechanical phenomena like superposition and entanglement to perform calculations fundamentally differently from classical computers, promising exponential speedups for certain problems. Neuromorphic computing aims to mimic the structure and function of the human brain, with the potential for highly efficient and adaptable artificial intelligence.

Wave-based computing, by contrast, focuses on the rich dynamics of waves. Its potential lies in its ability to process information in an analog and continuous manner, which can be more efficient for certain types of tasks. The development of wave-based computing is not entirely new; early concepts have been explored in fields like optics and acoustics. However, this EFRI solicitation signifies a renewed and more focused effort to consolidate these efforts, drive foundational breakthroughs, and explore the integration of these principles into cohesive computational systems.

The historical trajectory of computing has been one of continuous innovation, moving from mechanical calculators to vacuum tubes, transistors, and integrated circuits. Each transition has unlocked new capabilities and applications. The pursuit of wave-based computing represents the next potential leap in this evolutionary process, offering a pathway to overcome the limitations of current technologies and unlock solutions to previously intractable problems.

Potential Impact and Broader Implications

The implications of successful wave-based computing research are far-reaching and could profoundly impact various sectors:

• Scientific Discovery: Advanced simulations enabled by wave-based computing could accelerate breakthroughs in fields like climate modeling, astrophysics, and fundamental physics.
• Healthcare and Medicine: Enhanced drug discovery through molecular simulations, personalized medicine through advanced diagnostic tools, and novel imaging techniques could be realized.
• National Security: Development of highly secure communication systems, advanced radar and sensing technologies, and sophisticated intelligence analysis tools.
• Artificial Intelligence: Potentially more efficient and powerful AI algorithms, capable of processing vast amounts of data and performing complex pattern recognition tasks.
• Energy Efficiency: Significant reductions in the energy consumption of computational processes, addressing a growing global concern.

The "use-inspired" nature of the EFRI program ensures that this research is not pursued in a vacuum. By linking proposals to strategic national priorities, the NSF aims to foster innovation that directly addresses societal needs and technological challenges. This could lead to the development of new industries, enhanced economic competitiveness, and solutions to some of the world’s most pressing problems.

Program Contacts and Resources

For detailed information regarding the EFRI WBC solicitation, including eligibility criteria, submission guidelines, and review procedures, interested parties are encouraged to consult the official NSF website. Program contacts are available to answer specific questions and provide guidance to potential proposers.

The NSF also provides resources for tracking funded projects, including a searchable database of awards and interactive maps that visualize award locations and funding amounts. These resources can offer valuable insights into the types of research being supported and the researchers involved in this exciting frontier of computing.

Looking Ahead: A New Era of Computation

The launch of the EFRI Wave-Based Computing solicitation marks a significant investment in the future of computation. By fostering foundational research and encouraging interdisciplinary collaboration, the NSF is positioning itself at the forefront of a potential technological revolution. The success of this program could pave the way for computing systems that are not only faster and more powerful but also more energy-efficient and capable of tackling the most complex challenges facing humanity. This initiative underscores the NSF’s commitment to supporting visionary research that has the potential to redefine the boundaries of what is possible.