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ORAQL: Open-Stack Rydberg Atom Quantum Computing Laboratory

Welcome to the ORAQL documentation portal. ORAQL is advancing neutral atom quantum computing through a collaborative research program developing next-generation logical quantum processor cores.

About ORAQL​

ORAQL is an NSF-funded National Quantum Virtual Laboratory design team led by MIT and Harvard. The project combines next-generation neutral atom logical quantum processing technology with a cross-disciplinary open stack, including a digital twin model that will be shared with the community to foster broad national participation in discoveries.

Program Targets​

  • 400 Logical Qubits: Target capacity using surface code implementation
  • 1-100 Megaquops: Target circuit depths for practical quantum advantage (1 megaquop = 1 million quantum operations)
  • Open Stack: Cross-disciplinary stack including intermediate representation libraries, compilers, and QEC tools
  • Digital Twin: System performance modeling that accurately identifies failure mechanisms and validates improvements

Program Leadership​

  • Lead PI: Dirk Englund (MIT)
  • Co-PI: Mikhail Lukin (Harvard)
  • Senior Personnel: Vladan Vuletić (MIT), Adrian Menssen (MIT), Tout Wang (Harvard), Jason Cong (UCLA), Jacob M. Taylor (JQI/NIST), Kang-Kuen Ni (Harvard), Giulia Semeghini (Harvard), Dan Blumenthal (UCSB), Susanne Yelin (Harvard), Michael Gullans (UMD), Paola Cappellaro (MIT), Robin Côté (UMass Boston)
Getting Started
New to ORAQL? Start here		Open Stack API
Hardware controls, compilers, QEC tools
Hardware Demonstrators
Five parallel technology tracks		Digital Twin
Performance modeling and validation
Theory & Algorithms
QEC, compilation, resource estimation		Collaborate
How to contribute and participate

What's Inside​

For Researchers​

  • Open Stack Documentation: API references, tutorials, and code examples
  • Digital Twin Access: Performance data, model documentation, validation results
  • Theory Resources: QEC approaches, compilation methods, algorithm papers

For Collaborators​

  • Hardware Documentation: Technical information for all five demonstrator tracks
  • Contribution Guides: How to participate in ORAQL development
  • Data Sharing Protocols: Standardized formats and procedures

For Educators​

  • Workshop Materials: Teaching modules and hands-on exercises
  • Educational Resources: Quantum computing fundamentals using neutral atoms
  • Training Content: Workforce development programs

Hardware Demonstrator Tracks​

ORAQL features five parallel hardware demonstrator efforts validating key technology drivers:

  1. Logical Qubit Continuous Operation (Harvard - Lukin)

    • Advanced logical qubit performance
    • Non-destructive loss detection

  2. Fast Readout (MIT - Vuletić)

    • Cavity-enhanced photon collection
    • Collective readout techniques

  3. Dual-Species Architectures (Harvard - Ni, Semeghini)

    • Dual-species qubit encoding
    • Na-Cs and Rb-Yb platforms

  4. Scalable Photonic Control (MIT - Englund/Menssen)

    • Photonic integrated circuits (APICs)
    • Scalable modulation channels

  5. Quantum Networking (Distributed)

    • Photonic interconnects
    • Atom-photon interfaces

Getting Involved​

Consortium Members​

If you're part of the MIT-Harvard ORAQL consortium:

External Collaborators​

Interested in using ORAQL resources:

Educators & Students​

Building quantum workforce:

  • Teaching Materials: Education Resources
  • Workshops: Hackathons and training events
  • Hardware Kits: Quantum hardware experience modules

Support & Contact​

  • GitHub Issues: Report bugs and request features
  • Email: Contact ORAQL team
  • Workshops: Join our community events

Acknowledgments​

This work is supported by the National Science Foundation under the National Quantum Virtual Laboratory (NQVL) program.

Program: NSF National Quantum Virtual Laboratory Award: 2533041 Institutions: MIT, Harvard, UCSB, UMass Boston, UCLA, JQI/NIST, UMD

Last updated: November 2025