太辰光：公司800G光模块已经有供货，1.6T光模块正在研发

Core Viewpoint - The company, Taicheng Light (300570), focuses on passive optical devices as its main product, with optical modules serving as a supplementary core business to meet customer needs and enhance the development of passive products [1] Group 1: Product Positioning - The primary products of the company are passive optical devices [1] - Optical modules are positioned as a core business supplement, fulfilling customer support needs and promoting the research and development of passive products [1] Group 2: Product Development - The company has already begun supplying 800G optical modules [1] - The 1.6T optical module is currently under development [1]