Coherent Corp. has expanded its Pluggable Optical Line System (POLS) portfolio with a full C-band, high-power variable-gain amplifier optical line system in a compact QSFP form factor. Designed for 800G ZR/ZR+ digital coherent optics, the enhanced POLS supports up to 32 DWDM wavelengths over a single fiber pair, enabling up to 25.6Tbps of AI datacenter traffic across links ranging from 2km to 200km. The solution targets Internet Service Providers, Cloud Hosting Providers and AI infrastructure operators requiring higher-capacity optical interconnects. POLS integrates optical transport functions into QSFP modules that plug into standard transceiver slots, while Coherent’s miniature optical components enable 21dBm output power, variable gain and low power consumption. Auto-provisioning supports link configuration and laser safety, while fixed-wavelength and colorless MUX/DMUX options and asymmetric optical connectors are designed to simplify deployment and reduce fiber-connection errors.
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“As AI infrastructure scales, customers require optical connectivity that combines greater capacity, operational simplicity, and deployment flexibility,” said Madhu Krishnaswamy, Senior Vice President, Telecom Transport Business Unit at Coherent. “Since we first introduced POLS, Coherent has continued to advance the ultra-compact optical components that enable this platform, including our dual-chip 700mW uncooled 3-pin 980nm pump laser and isolator-tap photodiode technology. By extending plug-and-play operation across the full C-band, we are helping customers reduce the traditional tradeoffs between performance and operational simplicity. This advancement represents another important step toward more automated, open, and high-capacity optical networks for the AI era.”
