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Quantum Source Secures $15 Million in Seed Round Funding to Develop Photonic Quantum Computer Technology that Can Scale to Millions of Qubits

Israel based Quantum Source has received $15 Million in venture funding from Grove Ventures,Pitango First, andEclipse Ventures. They are developing technology for a large quantum computer based upon photonic technology. Photonic technologies have potential advantages over other technologies because they run at room temperatures, can potentially be built with chips manufactured in a standard semiconductor fabrication facility, are easier to network using optical fiber optic cables, can potentially take advantage of photonic components and other infrastructure developed for the telecommunications industry, and are less affected by external environmental factors that can destroy qubit fidelity and coherence. However, one of the biggest challenges is to implement two qubit gates.

Quantum Source has a goal of developing photonic quantum computing technology that can be scaled to millions of qubits. There are other companies that are pursuing a similar strategy with photonic technology, but Quantum Source is using a unique technology that uses something called photon-atom gates that could potentially give them an advantage. A key characteristic of the photon-atom gate is can provide a entangling two-qubit gate which is deterministic. The key concept of the photon-atom gate is it uses a single-photon Rman interaction with a single atom near a nanofibre-couple microresonator. Other photonic approaches can also implement photonic gates, but those may be probabilistic in nature. They can get around a gate which is probabilistic in nature by using a try until you succeed approach, but Quantum Source contends that by using a deterministic gate to begin with they will be able to create systems that are smaller, less complex, and lower in cost by several orders of magnitude. This approach has come out of research developed at the Weizmann Institute of Science in Israel. Additional technical papers describing the technology can be found here, here, and here.

Quantum Source may also benefit by having several members of their senior management team come from deep backgrounds in the semiconductor industry with extensive experience in developing chip level products that are built in semiconductor wafer fabs. CEO Oded Melamed was the former CEO of Altair Semiconductor which was acquired by Sony Corporation in 2016 for $212 million, VP of R&D Gil Semo was the Director of VLSI for Anobit which was acquired by Apple in 2012, and Chairman Dan Charash was the CEO of Provigent, which was acquired by Broadcom in 2011 for $300 million. Filling out that management team is Professor Barak Dayan of the Weizmann Institute who helped to originally develop some of the key technical concepts.

You can access the press release from Quantum Source announcing the new funding here.

July 12, 2022

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Quantum Source Secures $15 Million in Seed Round Funding to Develop Photonic Quantum Computer Technology that Can Scale to Millions of Qubits -...