Coherent and Quside Deliver Mass Manufacturable Quantum Entropy via 6” VCSELs

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Coherent and Quside successfully demonstrated a mass manufacturable quantum entropy source at Photonics West, proving fast verifiable entropy can be embedded at scale. Their solution relies on Coherent’s 6-inch VCSEL platform to deliver high-quality runtime randomness for cryptographic key generation and quantum-safe security in mainstream processors and hardware roots of trust.

1. Photonics West 2026 Participation and Strategic Outlook

Coherent Corp. will exhibit its comprehensive photonics portfolio at SPIE Photonics West 2026 in San Francisco from January 20–22, presenting solutions across continuous-wave and ultrafast lasers, beam delivery, advanced materials, and thermal management. The company emphasizes applications in AI datacenters, semiconductor and display capital equipment, life sciences, precision manufacturing and emerging technologies. Chief Marketing Officer Dr. Sanjai Parthasarathi highlighted Coherent’s commitment to thought leadership through multiple panel sessions and expert presentations, underscoring the event’s role in shaping industry standards and fostering customer engagement.

2. Key Product Announcements and Performance Metrics

Coherent introduced several innovations, including Bondable Diamond heat spreaders engineered to reduce interface thermal resistance by up to 99% on die sizes up to 100 mm square, Sapphire XT compact visible lasers for super-resolution imaging, and OCT Specialty Fiber Assemblies optimized for near-infrared spectroscopy and catheter-based imaging. The FieldMax Touch handheld laser power meter Pro model offers pulse energy measurement at 1 kHz, while the Waveshaper 1000A Sharp delivers spectral resolution as narrow as 5 GHz (FWHM). Additionally, a CO2 electro-optic modulator provides Germanium-free, high-power beam switching tailored for high-throughput PCB via drilling.

3. Live Demonstrations and Investor Implications

Attendees at Coherent’s booth will witness real-time demonstrations of Thermo-Electric Generation systems converting waste heat into usable power, a quantum encryption setup in collaboration with Quside featuring verifiable entropy from a single VCSEL, and a Deep UV solution combining a 266 nm picosecond laser with advanced optics for display and semiconductor film cutting. These demonstrations highlight Coherent’s vertically integrated manufacturing, from diamond growth to optical assemblies, reinforcing the company’s competitive positioning in high-growth segments such as data infrastructure efficiency and quantum-safe security.

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