Quantum isn’t coming. It’s already in the room, wearing Colorado flannel and speaking in electro-optic amplifiers. And Bifrost Electronics just lit the signal fire straight from Arvada, $2.5 million in fresh seed funding to crack one of quantum’s oldest headaches wide open: readout.
Now, let’s be clear, quantum readout isn’t sexy. It’s where the sausage gets made. But that’s exactly what makes it mission-critical. You can build the prettiest qubits in the world, but if you can’t read them with precision, scale them without noise, or integrate them without a headache, then you’ve just got Schrödinger’s paperweight. Bifrost isn’t here for the gimmicks, they’re building magnetically insensitive, scalable, electro-optic amplifiers that don’t just “work,” they actually deliver. Real reliability and quantum-grade performance that shows up when the fridge door closes.
Founded by alumni from the Colorado School of Mines and William & Mary, schools that don’t teach hype, they teach execution, Bifrost Electronics is the only U.S.-based commercial producer of quantum-limited readout components. That’s not marketing BS. That’s national security, infrastructure, and future proofing, all wrapped into one high-frequency package. And now with serious backing.
Caruso Ventures led the $2.5M round, and that means something. Dan Caruso doesn’t invest in science projects, he backs companies that scale. His fifth Colorado quantum deal. His fingerprints are all over the Mountain West’s emergence as the world’s quantum epicenter. Harlow Capital Management also came in strong. Not a tourist in this game either, they’ve put money behind deep-tech, defense-adjacent bets before. And now they’re betting on Bifrost.
Massive respect to Zenith Tillemann-Dick, Co-Founder and CEO of Bifrost Electronics. His experience at Johns Hopkins Technology Ventures, Clipboard Health, and In-House Health may not scream “quantum amplifier,” but that’s the point. This isn’t a one-dimensional team. It’s scrappy, tactical, and allergic to convention.
With partners like Form Factor, Rigetti Computing, and Maybell Quantum Industries in their corner, and a home base at the Elevate Quantum campus in Arvada, Bifrost is built into the infrastructure of the Mountain West quantum machine. That $127 million in federal and state funding for the region? That’s not just geography. That’s gravitational pull. This team isn’t just solving bottlenecks, they’re laying track across the Bifrost bridge between lab theory and commercial reality.
So here’s your takeaway: while everyone else is busy pitching quantum dreams, Bifrost is out here quietly building the hardware that makes those dreams measurable. And now, they’ve got $2.5 million reasons to go even harder.

