Quantum Computing Inc. Ships First Commercial Entangled Photon Source for Quantum Communication Research

HOBOKEN, N.J., June 17, 2025 /PRNewswire/ -- Quantum Computing Inc. ("QCi" or the "Company") (Nasdaq: QUBT), an innovative, integrated photonics and quantum optics technology company, today announced the successful shipment of its first commercial entangled photon source to support research in quantum networking and secure communications. The order, placed by a leading research institution in South Korea, marks a milestone in QCi's transition of proprietary quantum technologies from the lab to commercial markets.

The product is a broadband, standalone entangled photon source built on Spontaneous Parametric Down-Conversion (SPDC) using a periodically-poled, bulk format lithium niobate (PPLN) structure. Designed for stability and compatibility, the source operates in the C-band telecommunication range and is compatible with current fiber optics infrastructure. It integrates seamlessly into research environments advancing quantum communication protocols.

"Our entangled photon sources are an integral part of our quantum cybersecurity platform, which was recognized with the Edison Award in 2024," said Dr. Yong Meng Sua, Chief Technology Officer of QCi. "We're excited to now deliver this technology to global users who are working to shape the future of quantum communication."

QCi's entangled photon source is a key enabler of innovations outlined in a patent co-authored by QCi's Interim Chief Executive Officer Dr. Yuping Huang and Dr. Lac Nguyen, which established a scalable architecture for secure quantum key distribution. Leveraging PPLN in bulk format, QCi plans to further miniaturize and enhance future generations of these sources using thin-film lithium niobate (TFLN) technology at its U.S.-based foundry.

"This marks a significant step in validating and commercializing our technology," added Dr. Pouya Dianat, Chief Revenue Officer of QCi. "This is a foundational product for our quantum communications roadmap, with this shipment to Korea demonstrating clear execution and reach of our strategy in servicing the versatile quantum market. This shipment demonstrates growing market interest in integrated quantum systems, and we are excited to offer a commercially available, high-performance entangled photon source as part of our differentiated, innovative technology portfolio."

About Quantum Computing Inc.
Quantum Computing Inc. (Nasdaq: QUBT) is an innovative, integrated photonics and quantum optics technology company that provides accessible and affordable quantum machines and TFLN foundry services to the world today. QCi's products are designed to operate at room temperature and low power at an affordable cost. The Company's portfolio of core technologies and products offer unique capabilities in the areas of high-performance computing, artificial intelligence, and cybersecurity, as well as remote sensing applications.

Company Contact:
Rosalyn Christian/John Nesbett
IMS Investor Relations
[email protected]

Forward-Looking Statements

This press release contains forward-looking statements as defined within Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. These forward-looking statements, generally identified by terms such as "may," "will," "expect," "believe," "anticipate," "estimate," "intends," "goal," "objective," "seek," "attempt," "aim to," or variations of these or similar words, involve risks and uncertainties because they relate to events and depend on circumstances that will occur in the future. Those statements include statements regarding the intent, belief or current expectations of QCi and members of its management as well as the assumptions on which such statements are based. Prospective investors are cautioned that any such forward-looking statements are not guarantees of future performance and involve risks and uncertainties, including the growth in the market for quantum systems and the miniaturization of PPLN using TFLN technology, and that actual results may differ materially from those contemplated by such forward-looking statements. Except as required by federal securities law, QCi undertakes no obligation to update or revise forward-looking statements to reflect changed conditions.

SOURCE Quantum Computing Inc.