Coherent and Quside Achieve Breakthrough in Quantum-Safe Encryption with Verifiable Entropy Source

Event summary

  • Coherent Corp. (NYSE: COHR) and Quside demonstrated a mass manufacturable quantum entropy source using Coherent’s VCSEL technology and Quside’s quantum random number generation.
  • The solution provides fast, verifiable quantum entropy suitable for cryptographic key generation and secure communications.
  • The technology will be showcased at Photonics West 2026 in San Francisco with live demonstrations and development kits.
  • Coherent’s VCSEL manufacturing on 6” wafers enables cost-effective, scalable production of quantum-grade security primitives.

The big picture

This collaboration marks a critical step in making quantum-safe encryption practical for large-scale infrastructure. As quantum computing threatens traditional cryptographic systems, the ability to generate verifiable entropy at scale could become a differentiator for data centers, critical infrastructure, and defense applications. The partnership leverages Coherent’s established manufacturing capabilities with Quside’s quantum technology expertise, positioning them to capitalize on growing demand for hardware-based security solutions.

What we're watching

Adoption Pace
How quickly enterprises will integrate quantum-safe encryption into mainstream processors and secure elements.
Competitive Dynamics
Whether Coherent and Quside can maintain a lead as other photonics firms develop similar quantum entropy solutions.
Regulatory Impact
The extent to which government mandates for quantum-resistant encryption will accelerate commercial deployment.

Related topics

Quantum Computing