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Solicitation

Program Solicitation: Heterogeneous Architectures for Quantum (HARQ)

DARPA-PS-25-31

Defense Advanced Research Projects Agency, Def Advanced Research Projects Agcy. Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology).

Response deadline

November 7, 2025

Closed 314 days ago. Posted October 24, 2025, first published August 7, 2025. Scheduled to archive November 14, 2025.

Description

As published on SAM.gov.

The Defense Advanced Research Projects Agency (DARPA) is soliciting proposals towards the realization of heterogeneous quantum computing architectures. Proposed research should investigate innovative approaches that enable revolutionary advances in theory, devices, and system concepts for quantum interconnects, quantum circuit compilers, distributed algorithms, resource estimation, quantum memory/repeater devices, quantum frequency converters, microwave-to-optical transducers, and other elements at the intersection of hardware and software in the quantum computing stack. Specifically excluded is research that primarily results in evolutionary improvements to the existing state of practice.

Publications

Every notice SAM.gov issued under this solicitation number, oldest first. Each is a separate record on SAM.

  1. August 7, 2025

    Solicitation

    Due October 14, 2025. SAM.gov, notice 944007d554364a1aad811469028a7e73

  2. August 14, 2025

    Solicitation

    Due October 14, 2025. SAM.gov, notice 431026362b944c459ae715073fd52822

  3. August 15, 2025

    Solicitation

    Due October 14, 2025. SAM.gov, notice 478382fffc1943d3bf2b532f9e8b5190

  4. August 15, 2025

    Solicitation

    Due October 14, 2025. SAM.gov, notice cd3003b8585342f5bd32f33875000502

  5. August 22, 2025

    Solicitation

    Due October 14, 2025. SAM.gov, notice ad9dd138e7d9455dbda77ca46a33accb

  6. August 26, 2025

    Solicitation

    Due October 14, 2025. SAM.gov, notice 25dc438812db4e639f2bacde4e427def

  7. September 10, 2025

    Solicitation

    Due October 14, 2025. SAM.gov, notice 46169167d10843f8b78831e69e4448ba

  8. September 10, 2025

    Solicitation

    Due October 14, 2025. SAM.gov, notice 6cbeb465524b4fe494403e10377ff4b9

  9. September 18, 2025

    Solicitation

    Due November 3, 2025. SAM.gov, notice b83c99974f0647e38cd6473292eda45c

  10. October 17, 2025

    Solicitation

    Due November 7, 2025. SAM.gov, notice 10a2549323c74f2fa3ca0292d6db2220

  11. October 20, 2025

    Solicitation

    Due November 7, 2025. SAM.gov, notice 099570f9e80e478a8967ec7fddd13ac7

  12. October 24, 2025

    Solicitation

    Due November 7, 2025. SAM.gov, notice 967cd8f4c3554b448d7ba3325ed99de2

Points of contact