IQE and Quintessent companion on quantum dot for AI

IQE, a world provider of compound semiconductor wafer merchandise and superior materials options, has strengthened its partnership with Quintessent Inc., a pioneer in quantum dot laser expertise and heterogeneous silicon photonics, to determine the world’s first large-scale quantum dot laser (“QDL”) and semiconductor optical amplifier (SOA) epitaxial wafer provide chain. This step is backed by an preliminary buy order of US$0.5m for supply of manufacturing wafers to Quintessent by way of 2025.

The speedy growth of AI-driven functions has positioned requirement in knowledge centres energy consumption driving the migration from copper chip to chip connectivity to Silicon Photonics. This has created an rising demand for high-bandwidth, low-latency, energy-efficient and extremely dependable optical interconnects. Conventional laser applied sciences battle to satisfy these necessities, making QDLs and SOAs a vital innovation for future AI infrastructure which supply superior efficiency, together with prolonged lifetimes, improved effectivity, decrease noise and larger resilience to environmental fluctuations.

IQE and Quintessent have collaborated for over a decade to transition QDL expertise from analysis to large-scale manufacturing. Constructing on analysis breakthroughs from John Bower’s laboratory on the College of California, Santa Barbara, the partnership has developed extremely optimised and excessive performing achieve GaAs-based quantum dot epitaxial wafers on 6-inch substrates versus state-of-the-art 4-inch artwork indium phosphide lasers. This achievement allows the manufacturing of tens of millions of high-performance edge-emitting lasers yearly.

Jutta Meier, the interim CEO and chief monetary officer of IQE, commented: “IQE is proud to strengthen our long-standing partnership with Quintessent, driving the commercialisation of QDL expertise. This dedication highlights our experience in high-volume epitaxial wafer manufacturing and our confirmed skill to scale modern semiconductor options into manufacturing. Our collaboration, spanning industrial merchandise and DoD applications has delivered QDL wafers with distinctive reproducibility and lasing efficiency”

Alan Liu, the CEO and co-founder of Quintessent, commented: “The efficiency, value and reliability benefits that quantum dot-based lasers and amplifiers allow over their quantum effectively counterparts are precisely what our prospects are demanding to handle the hovering want for optical connectivity in AI pushed compute. By means of our partnership with IQE, we’ve introduced this transformative expertise to scale, positioning us to be the chief in delivering options leveraging quantum dot laser and SOA expertise.”

With this partnership, IQE continues to set the trade benchmark for cutting-edge epitaxy options, additional positioning itself as a key enabler of next-generation AI and optical computing applied sciences.

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