In response to the increasing demands for precision and the vulnerabilities associated with GPS/GNSS systems, Adtran has unveiled two innovative optical cesium atomic clocks: the OSA 3300 Super High-Performance (OSA 3300 SHP) and the OSA 3350 Super Enhanced Primary Reference Clock+ (OSA 3350 SePRC+). These advanced devices establish new benchmarks in network time synchronization, providing 100-nanosecond precision for up to 100 days.

Addressing Critical Synchronization Needs

Adtran’s OSA 3300 SHP and OSA 3350 SePRC+ are key additions to the Oscilloquartz portfolio, recognized for its pioneering optical cesium clocks. The OSA 3300 SHP is designed to offer exceptional stability and accuracy, making it an invaluable asset for metrology institutes and scientific research facilities. This clock features superior Allan Deviation (ADEV) performance, delivering double the accuracy of its predecessor, the OSA 3300 HP, while maintaining a ten-year lifespan.

Conversely, the OSA 3350 SePRC+ is engineered to enhance holdover capabilities for Positioning, Navigation, and Timing (PNT) services. It ensures 100 days of 100-nanosecond precision, a crucial attribute for environments where GPS/GNSS signals are compromised or unavailable. This capability is essential for maintaining the integrity of mission-critical networks and providing reliable backup timing for critical infrastructure and defense operations.

Enhancing Network Timing Security

“Our two new optical cesium clocks represent a significant advancement, offering substantial benefits to a wide array of industries,” stated Gil Biran, General Manager of Oscilloquartz, Adtran. “For example, the OSA 3350 SePRC+ guarantees 100-nanosecond accuracy over more than three months. This level of precision and stability is vital for infrastructures that depend on continuous PNT services, delivering our customers unparalleled reliability and robust protection against increasing cyber threats to GPS/GNSS.”

Biran emphasized the importance of this innovation amidst rising global tensions and the heightened risk of state-sponsored interference in satellite communications. “This innovation arrives at a crucial juncture, significantly enhancing our ability to meet the demand for secure and reliable network timing globally. Building on our 75-year legacy and unmatched expertise, the OSA 3350 SePRC+ exemplifies our commitment to excellence in assured PNT technology. As industry leaders, we continue to set new benchmarks, consistently elevating standards to meet the evolving needs of our customers and the broader market.”

Empowering Scientific Research and Industrial Applications

The OSA 3300 SHP, with its superior stability and accuracy, supports high-precision experiments and calibration processes, driving advancements in scientific research and industrial applications. Patrick Berthoud, Chief Scientist of Time and Frequency at Oscilloquartz, Adtran, commented, “Our OSA 3300 SHP offers unprecedented accuracy in timekeeping, maintaining nanosecond precision over extended periods. This level of enhanced accuracy and stability is essential for scientific research and metrology, facilitating high-precision experiments and the calibration of instruments to the highest standards.”

Berthoud highlighted the impact of these innovations on fields such as quantum mechanics and relativity, where extreme accuracy is crucial. “At Oscilloquartz, we are committed to advancing time and frequency technology, leveraging our renowned Swiss expertise in this field. Our latest innovations demonstrate our dedication to delivering superior solutions that meet the evolving demands of our customers, driving progress in both scientific research and industrial applications.”

Adtran’s OSA 3300 SHP and OSA 3350 SePRC+ redefine the capabilities of Primary Reference Clocks (PRCs) and enhanced PRCs (ePRCs), unlocking new possibilities in their respective domains. As the industry continues to advance, these optical cesium clocks stand as a testament to Adtran’s commitment to innovation, reliability, and excellence in network synchronization.