SAN JOSE, Calif.–(BUSINESS WIRE)–Ayar Labs, the leader in co-packaged optics (CPO) solutions for AI scale-up, announced the closing of $500 million in Series E funding led by Neuberger Berman. The company will use the funds to scale high-volume production and test capacity to accelerate the deployment of its CPO solution. This brings the company’s total funding to $870 million and raises the company’s valuation to $3.75 billion.