<h1>Order book growth signals STL's strengthened positioning in optical networks and AI-ready infrastructure expansion.</h1> STL reported Q2 FY26 financials with significant year-on-year order book growth and consolidated revenue driven primarily by Optical Networking Business; completed capacity expansions and geographic proximity to markets underpin commercial positioning. STL Digital added global clients and secured a multiyear cloud connectivity engagement while launching an AI Center of Excellence. The company highlighted key supply agreements, product innovations (higher fibre-count cables, multicore indoor fibre, pre connectorised solutions, hollow core fibre and sensing), an MoU for quantum communications R&D, a growing patent portfolio, and senior leadership hires to support geographic expansion.