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Adtran launches optical cesium clock upgrade to enhance short-term stability for precision timing applications

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Adtran has introduced the Enhanced Short-Term Unit (ESTU) precision timing module for its OSA 3300 series optical cesium clocks. This upgrade significantly improves short-term frequency stability, achieving performance levels comparable to the passive hydrogen maser, which is no longer available in Western markets.

The ESTU module enhances short-term Allan Deviation, providing improved synchronization accuracy important for industries including metrology, aerospace, and defense. Supporting both 5MHz and 10MHz output frequencies, it enables more stable data collection, satellite communication, and measurement operations.

This innovation combines the short-term stability of a passive hydrogen maser with the long-term stability of a high-performance cesium clock, making it particularly valuable for mission-critical applications in satellite communication systems, metrology labs, and deep-space exploration.

Adtran ha introdotto il modulo di temporizzazione di precisione Enhanced Short-Term Unit (ESTU) per i suoi orologi ottici al cesio della serie OSA 3300. Questo aggiornamento migliora significativamente la stabilità della frequenza a breve termine, raggiungendo livelli di prestazione comparabili a quelli del maser all'idrogeno passivo, che non è più disponibile nei mercati occidentali.

Il modulo ESTU migliora la deviazione di Allan a breve termine, fornendo un'accuratezza di sincronizzazione maggiore, essenziale per settori come la metrologia, l'aerospaziale e la difesa. Supportando frequenze di uscita di 5MHz e 10MHz, consente una raccolta di dati più stabile, comunicazioni satellitari e operazioni di misurazione.

Questa innovazione combina la stabilità a breve termine di un maser all'idrogeno passivo con la stabilità a lungo termine di un orologio al cesio ad alte prestazioni, rendendola particolarmente preziosa per applicazioni critiche in sistemi di comunicazione satellitare, laboratori di metrologia e esplorazione spaziale profonda.

Adtran ha introducido el módulo de sincronización de precisión Enhanced Short-Term Unit (ESTU) para sus relojes ópticos de cesio de la serie OSA 3300. Esta actualización mejora significativamente la estabilidad de frecuencia a corto plazo, logrando niveles de rendimiento comparables al del maser de hidrógeno pasivo, que ya no está disponible en los mercados occidentales.

El módulo ESTU mejora la desviación de Allan a corto plazo, proporcionando una precisión de sincronización mejorada, importante para industrias como la metrología, la aeroespacial y la defensa. Al soportar frecuencias de salida de 5MHz y 10MHz, permite una recopilación de datos más estable, comunicación por satélite y operaciones de medición.

Esta innovación combina la estabilidad a corto plazo de un maser de hidrógeno pasivo con la estabilidad a largo plazo de un reloj de cesio de alto rendimiento, lo que la hace particularmente valiosa para aplicaciones críticas en sistemas de comunicación por satélite, laboratorios de metrología y exploración del espacio profundo.

Adtran은 OSA 3300 시리즈 광학 세슘 시계용으로 Enhanced Short-Term Unit (ESTU) 정밀 타이밍 모듈을 도입했습니다. 이 업그레이드는 짧은 기간의 주파수 안정성을 크게 향상시켜 더 이상 서구 시장에서 사용할 수 없는 수동 수소 메이저와 유사한 성능 수준을 달성합니다.

ESTU 모듈은 짧은 기간의 앨런 편차를 향상시켜 계측, 항공우주 및 방산을 포함한 산업에 중요한 동기화 정확성을 제공합니다. 5MHz와 10MHz의 출력 주파수를 지원하여 더 안정적인 데이터 수집, 위성 통신 및 측정 작업을 가능하게 합니다.

이 혁신은 수동 수소 메이저의 짧은 기간 안정성과 고성능 세슘 시계의 장기 안정성을 결합하여 위성 통신 시스템, 계측 연구소 및 심우주 탐사와 같은 임무-critical 응용 프로그램에 특히 유용합니다.

Adtran a introduit le module de synchronisation de précision Enhanced Short-Term Unit (ESTU) pour ses horloges optiques au césium de la série OSA 3300. Cette mise à jour améliore considérablement la stabilité de fréquence à court terme, atteignant des niveaux de performance comparables à ceux du maser à hydrogène passif, qui n'est plus disponible sur les marchés occidentaux.

Le module ESTU améliore la déviation d'Allan à court terme, offrant une précision de synchronisation améliorée, essentielle pour des secteurs tels que la métrologie, l'aérospatial et la défense. Supportant des fréquences de sortie de 5MHz et 10MHz, il permet une collecte de données plus stable, des communications par satellite et des opérations de mesure.

Cette innovation combine la stabilité à court terme d'un maser à hydrogène passif avec la stabilité à long terme d'une horloge au césium haute performance, la rendant particulièrement précieuse pour des applications critiques dans les systèmes de communication par satellite, les laboratoires de métrologie et l'exploration de l'espace lointain.

Adtran hat das Enhanced Short-Term Unit (ESTU) Präzisionstiming-Modul für seine OSA 3300 Serie optische Cäsiumuhren eingeführt. Dieses Upgrade verbessert die kurzfristige Frequenzstabilität erheblich und erreicht Leistungsniveaus, die mit dem passiven Wasserstoffmaser vergleichbar sind, der nicht mehr auf den westlichen Märkten erhältlich ist.

Das ESTU-Modul verbessert die kurzfristige Allan-Abweichung und bietet eine verbesserte Synchronisationsgenauigkeit, die für Branchen wie Metrologie, Luft- und Raumfahrt sowie Verteidigung wichtig ist. Mit Unterstützung von 5MHz und 10MHz Ausgangshäufigkeiten ermöglicht es eine stabilere Datensammlung, Satellitenkommunikation und Messoperationen.

Diese Innovation kombiniert die kurzfristige Stabilität eines passiven Wasserstoffmasers mit der langfristigen Stabilität einer Hochleistungs-Cäsiumuhr und ist besonders wertvoll für mission- kritische Anwendungen in Satellitenkommunikationssystemen, Metrologielabors und der Forschung im tiefen Weltraum.

Positive
  • First-to-market solution combining short-term stability of passive hydrogen maser with long-term stability of cesium clock
  • Fills market gap left by unavailability of passive hydrogen masers in Western markets
  • Enhanced product capabilities for high-value sectors (aerospace, defense, metrology)
Negative
  • None.

Insights

The launch of Adtran's Enhanced Short-Term Unit (ESTU) precision timing module represents a strategic technological breakthrough in the highly specialized precision timing market. This advancement is particularly significant as it fills a critical void left by the unavailability of passive hydrogen masers in Western markets.

The timing technology market's importance cannot be overstated. With the proliferation of satellite networks, quantum computing initiatives and advanced defense systems, ultra-precise timing has become a mission-critical component across multiple high-value sectors. The ESTU module's ability to maintain stability at both short-term and long-term intervals positions Adtran uniquely in this specialized market.

Key strategic implications include:

  • Market Leadership: By combining short-term stability of passive hydrogen masers with long-term stability of cesium clocks, Adtran has created a first-of-its-kind solution
  • Defense Sector Opportunities: The technology's applications in defense and aerospace could lead to substantial government contracts
  • Competitive Moat: The sophisticated nature of this technology creates significant barriers to entry
  • Growth Potential: Rising demand from emerging technologies like quantum computing and 6G development could expand the addressable market

While this product likely targets a niche market, its strategic value extends beyond immediate revenue potential. It strengthens Adtran's position as a critical infrastructure provider for advanced technological applications, potentially leading to long-term partnerships with government agencies and research institutions.

News summary:

  • Industries such as metrology, aerospace and defense need ultra-stable timing for accurate data collection and reliable communication
  • Adtran’s Oscilloquartz optical cesium clock now features the ESTU precision timing module for enhanced short-term frequency stability
  • Upgrade improves short-term Allan Deviation, ensuring greater timing accuracy and performance for mission-critical operations

HUNTSVILLE, Ala.--(BUSINESS WIRE)-- Adtran today launched its Enhanced Short-Term Unit (ESTU) precision timing module, a new addition to its OSA 3300 High-Performance (OSA 3300 HP) and OSA 3300 Super High-Performance (OSA 3300 SHP) optical cesium clocks. Designed to meet the demands of industries requiring ultra-stable short-term timing, the module achieves performance levels comparable to the passive hydrogen maser, which is no longer available in the Western market. The ESTU module significantly improves short-term frequency stability, measured through Allan Deviation, providing the synchronization accuracy and reliability essential for sectors including metrology, space exploration and defense. It enables more stable data collection, satellite communication and measurement operations, reinforcing the OSA 3300 Series as the ideal choice for mission-critical applications.

Adtran’s Oscilloquartz ESTU module optimizes short-term frequency stability, ensuring greater timing accuracy for mission-critical applications. (Photo: Business Wire)

Adtran’s Oscilloquartz ESTU module optimizes short-term frequency stability, ensuring greater timing accuracy for mission-critical applications. (Photo: Business Wire)

“With our precision timing module, we’re setting new benchmarks in short-term frequency stability, addressing the critical demands of sectors ranging from scientific research labs to aerospace companies,” said Gil Biran, GM of Oscilloquartz, Adtran. “This advanced ESTU module enhances our industry-first high-performance optical cesium atomic clocks, delivering substantial benefits, including reduced Allan Deviation. These improvements are essential for ensuring the stability and accuracy of timing network infrastructure. Our solutions are the first in the market to combine the short-term stability of a passive hydrogen maser with the long-term stability of a high-performance cesium clock. This innovation underscores our commitment to providing advanced technology tailored to mission-critical applications.”

This latest addition to Adtran’s comprehensive portfolio of Oscilloquartz synchronization technologies is designed to optimize short-term frequency stability. By improving frequency precision, the new ESTU module ensures greater timing accuracy for high-stakes operations. It supports both 5MHz and 10MHz output frequencies, making it a versatile solution for various high-precision operations, including systems using passive hydrogen masers. The enhanced short-term stability delivered by the new ESTU module is crucial for industries that rely on ultra-precise synchronization, such as satellite communication systems, metrology labs and deep-space exploration.

“With over 75 years of expertise in timing and synchronization, Oscilloquartz has established a lasting legacy of innovation and trust. This latest upgrade of our high-end optical cesium clocks continues that tradition, delivering significant improvements in short-term frequency stability while maintaining the superb long-term stability for industries that rely on ultra-precise timing,” commented Patrick Berthoud, time and frequency chief scientist at Oscilloquartz, Adtran. “Leveraging our world-renowned Swiss expertise, this new ESTU module enhances our high-performance optical cesium atomic clocks, providing the short-term stability that mission-critical applications demand. It reflects our team’s ongoing commitment to pushing the boundaries of synchronization technology and ensuring unmatched accuracy for our customers.”

More information on the ESTU module is available in these slides.

About Adtran

ADTRAN Holdings, Inc. (NASDAQ: ADTN and FSE: QH9) is the parent company of Adtran, Inc., a leading global provider of open, disaggregated networking and communications solutions that enable voice, data, video and internet communications across any network infrastructure. From the cloud edge to the subscriber edge, Adtran empowers communications service providers around the world to manage and scale services that connect people, places and things. Adtran solutions are used by service providers, private enterprises, government organizations and millions of individual users worldwide. ADTRAN Holdings, Inc. is also the largest shareholder of Adtran Networks SE, formerly ADVA Optical Networking SE. Find more at Adtran, LinkedIn and X.

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ADTRAN Holdings, Inc. 
www.adtran.com

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Gareth Spence

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Source: Adtran

FAQ

What is the new ESTU module launched by ADTN for optical cesium clocks?

The Enhanced Short-Term Unit (ESTU) is a precision timing module for Adtran's OSA 3300 series optical cesium clocks that improves short-term frequency stability, matching passive hydrogen maser performance levels.

Which industries will benefit from ADTN's new ESTU precision timing module?

The ESTU module benefits industries requiring ultra-stable timing, including metrology, aerospace, defense, satellite communication systems, and deep-space exploration.

What frequencies does ADTN's new ESTU module support?

The ESTU module supports both 5MHz and 10MHz output frequencies, making it versatile for various high-precision operations.

How does ADTN's ESTU module compare to passive hydrogen masers?

The ESTU module achieves performance levels comparable to passive hydrogen masers, while offering the additional benefit of long-term stability from cesium clock technology.

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