Coherent Samples Low-Noise 400 mW CW Lasers for Co-Packaged Optics and Silicon Photonics

Core Insights - Coherent Corp. has announced the sampling of its new high-power 400 mW continuous-wave lasers aimed at next-generation co-packaged optics and silicon photonics applications [1][3]. Product Specifications - The new lasers deliver stable output power exceeding 400 mW at 55°C, with spectral linewidths below 200 kHz and relative intensity noise (RIN) below -145 dB/Hz [2]. - These lasers are built on Coherent's Buried-Heterostructure Distributed-Feedback laser (BH DFB) platform, showcasing the company's capability in producing high-performance devices [2]. Market Position and Future Plans - The introduction of the 400 mW CW lasers addresses significant challenges in optical interconnects, providing stable high output power and low noise [3]. - Coherent plans to expand its production capacity more than fivefold with a new 6-inch InP fab in Sherman, Texas, to meet the growing global demand for InP lasers [3]. Availability - Engineering samples of the new lasers are currently available to select customers, with volume production and general availability anticipated in Q3 2026 [3]. Company Overview - Coherent is recognized as a global leader in photonics, providing technology solutions for data centers, communications, and industrial markets [5][6]. - Founded in 1971, the company operates in over 20 countries and offers a comprehensive technology stack and resilient supply chain [6].