QuBeats USA · Quantum sensing

Sensing the Invisible.
Built for America.

Quantum magnetometers, Rydberg RF receivers and optical clocks: lab-grade accuracy, engineered for GNSS-denied and contested environments.

fT/√Hz
Sensitivity class
MHz–THz
Rydberg RF band
0 GPS
Navigation fixes
0 dBm
Emissions (passive)
01 / The stack

Six instruments.One sensing stack.

Full specifications
01QB-OPM-S (Scalar)

Tactical Scalar Magnetometer

High-bandwidth scalar sensing designed for magnetic map-matching navigation. Features absolute accuracy in Earth's field with an orientation-independent (dead-zone free) architecture. Ideal for airborne and subsea platforms requiring robust geomagnetic referencing.

Tactical Scalar Magnetometer
Readout
fT/√Hz
Use case
Magnetic map-matching navigation
Environment
Airborne/subsea platforms
02QB-OPM-V (Vector)

3-Axis Quantum Magnetometer

Precision vector magnetometer providing simultaneous readout of Bx, By, Bz, and total field. Operates in Earth's field with high dynamic range, designed for magnetic compassing, calibration of inertial systems, and attitude determination.

3-Axis Quantum Magnetometer
Readout
Bx By Bz
Use case
Magnetic compassing, attitude determination
Environment
Earth's field operation
03QB-OptiTime

Optical Atomic Clock

Next-generation compact atomic clock utilizing optical transitions in warm vapor. Delivers orders-of-magnitude superior frequency stability compared to standard microwave CSACs. Engineered for GNSS-denied timing holdover and rapid network synchronization.

Optical Atomic Clock
Readout
Optical
Use case
GNSS-denied timing, network sync
Environment
Compact, low-power
04QB-Spectrum

Rydberg RF Receiver

Wideband quantum RF sensor capability from MHz to THz. Enables stealthy, antenna-free signal detection and electromagnetic spectrum awareness. Passive architecture ensures zero-emission situational awareness.

Rydberg RF Receiver
Readout
MHz–THz
Use case
RF Spectrum Monitoring, Wireless Communication/ 6G, EM Field Mapping
Environment
Earth's field operation
05QB-MagNav

Magnetic Navigation System

A fully integrated PNT unit fusing Quantum Magnetometers with inertial data. Provides absolute, unjammable position fixes by correlating crustal magnetic anomalies with onboard maps. Includes ROS-native drivers for seamless unmanned system integration.

Magnetic Navigation System
Readout
0 GPS
Use case
GPS-denied navigation
Environment
Air/sea/land
06QB-Grad

Quantum Gradiometer Pod

Multi-sensor array designed for mobile anomaly detection. Uses adaptive noise cancellation to isolate local targets (mines, submarines, infrastructure) from geological background noise. Waterproof and ruggedized for maritime deployment.

Quantum Gradiometer Pod
Readout
Δ B
Use case
Underwater anomaly detection
Environment
Maritime/subsea
Applications

Where the physicsmeets the field.

  • Navigate Without Satellites
    01Positioning & Navigation

    Navigate Without Satellites

    Magnetic map-matching and drift-free dead-reckoning for GNSS-contested or spoofed operations.

  • Reveal the Invisible
    02Defense & Intelligence

    Reveal the Invisible

    Maritime anomaly detection, UXO search, tunnel and void finding, and RF sensing in demanding environments.

  • Quantum for Space Exploration
    03Orbital Systems

    Quantum for Space Exploration

    Constellation-class magnetometry, space weather monitoring, and on-orbit diagnostics with radiation-tolerant designs.

  • Observe the Deep Earth
    04Geophysics & Infrastructure

    Observe the Deep Earth

    Mineral exploration, subsurface mapping, and structural health monitoring using high-sensitivity quantum field sensors.

  • Look Inside the Cells & Neurons
    05Neuroscience & Cardiology

    Look Inside the Cells & Neurons

    Wearable OPM–MEG and MCG platforms for brain and cardiac mapping in research and clinical translation.

  • Start a Custom Scoped Pilot
    06Custom Solutions

    Start a Custom Scoped Pilot

    Work with our engineering team to define mission objectives, configure the right quantum sensing stack, and launch a tailored pilot for your operating environment.

03 / Capability map

Where the stackgoes to work.

QB STACKSPACEAIRBORNEGROUNDMARITIMESUBSEA
Theater view
4 platforms
QuBeats quantum optics bench with blue laser excitation
Live · College Park, MD
04 / US Research Lab

Built and testedon US soil.

Our US lab sits inside the Quantum Startup Foundry at the University of Maryland, steps from the Joint Quantum Institute. Bring your platform, interfaces and test plan; we bring the atoms.

US Research Lab

Quantum Startup Foundry,
AQCESS Lab, 4467 Technology Drive,
Room 2110, Rabin Building, University of Maryland
College Park, MD 20742
United States

Open in Google Maps
05 / Founding team

People behindthe physics.

Meet the team
Mallikarjun Karra
01

Mallikarjun Karra

Co-Founder

  • PhD Candidate (Molecular Physics) - Fritz Haber Institut (Max Planck Society)
  • Int MSc (Physics) - IIT Kharagpur
LinkedIn
Rajat Sethi
02

Rajat Sethi

Co-Founder

  • MPA - Harvard Kennedy School
  • MBA - MIT Sloan School of Management
  • M. Tech & B. Tech (CSE) - IIT Kharagpur
LinkedIn
Dr. Shouvik Mukherjee
03

Dr. Shouvik Mukherjee

Advisor

  • Postdoc - Joint Quantum Institute, UMD
  • PhD & MS - University of Pittsburgh
  • BS & MS (Physics) - IIT Kharagpur
LinkedIn
06 / Advisors

Advisers'perspectives.

“Resilient navigation in GNSS-denied environments is no longer optional: it is a fleet survival problem. QuBeats is pursuing the right intersection of atomic physics, low-SWaP engineering, and field discipline to make quantum-class sensing deployable where it matters.”

Adm Karambir Singh (Retd)

Former Chief of Naval Staff, PVSM, AVSM, ADC

All advisors
Start here

Bring quantum sensingto your program.

Custom arrays, MagNav drop-ins, gradiometer pods or a Rydberg receiver on your platform. Tell us the mission and we will scope a pilot around your interfaces and test evidence.

US Research Lab
Quantum Startup Foundry,
AQCESS Lab, 4467 Technology Drive,
Room 2110, Rabin Building, University of Maryland
College Park, MD 20742
United States

Talk to the US team

Include your number without the country code.

US Research Lab

Quantum Startup Foundry,
AQCESS Lab, 4467 Technology Drive,
Room 2110, Rabin Building, University of Maryland
College Park, MD 20742
United States

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