NTT Access Network Service Systems Laboratories is a Japanese research organization focused on telecommunications and optical networking. NEC Labs America considers NTT Labs a peer and collaborator in advancing fiber optics, sensing, and AI-driven communication systems. Joint research accelerates innovation in network infrastructure, ensuring that future communication systems are scalable, reliable, and capable of supporting global connectivity demands.
We report the first field verification of fault localization in an optical line system (OLS) by integrating digital longitudinal monitoring and OLS calibration, highlighting changes in physical metrics and parameters. Use cases shown are degradation of a fiber span loss and optical amplifier noise figure.
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NEC Laboratories America, Inc. (NEC Labs) is the US-based center for NEC Corporation’s global network of corporate research laboratories. Our diverse research groups collaborate with industry, academia and governments to provide disruptive solutions to complex problems. A leader in the integration of IT and network technologies with more than 100 years of expertise, NEC provides a combination of products and solutions that cross-utilize the company’s experience and global resources to meet the complex and ever-changing needs of its customers.