Xanadu Quantum Technologies, Inc. (NASDAQ:XNDU) made its Nasdaq debut as a photonic quantum computing company, building a full-stack platform that spans hardware, software and quantum machine learning (QML) applications. The company's CEO, Christian Weedbrook, highlighted the company's unique approach to developing fault-tolerant, utility-scale quantum computers. Xanadu’s systems are designed to use light (photons) instead of superconducting qubits or trapped ions, a path Weedbrook argues is among the lowest-risk, most scalable routes to such a system. Alongside its hardware roadmap, Xanadou has invested heavily in software through its PennyLane framework and in one of the earliest dedicated QML teams. Looking ahead, the company is building a quantum data center architecture with plans to deploy quantum data centers globally around 2029–2030.