Electronics and Telecommunications Trends (전자통신동향분석)

Electronics and Telecommunications Research Institute (한국전자통신연구원)
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Trends in Wavelength-Tunable Laser Development and Applications

파장가변 광원 개발 동향 및 응용

  • O.K. Kwon ;
  • K.S. Kim ;
  • Y.-H. Kwon
  • 권오기 (광융합부품연구실) ;
  • 김기수 (광융합부품연구실) ;
  • 권용환 (광무선연구본부 )
  • Published : 2024.02.01
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Abstract

The integration of high-capacity terrestrial networks with non-terrestrial communication using satellites has become essential to support seamless low-latency services based on artificial intelligence and big data. Tunable light sources have been instrumental in resolving the complexity of channel management in wavelength division multiplexing (WDM) systems, contributing to increased network flexibility and serving as optical sources for long-distance coherent systems. Recently, these light sources have been applied to beam-steering devices in laser communication and sensing applications across ground, aerial, and satellite transport. We examine the utilization and requirements of tunable lasers in WDM networks and describe the relevant development status. In addition, performance requirements and development directions for tunable lasers used in optical interference systems and beam-steering devices are reviewed.

Keywords

Acknowledgement

본 연구는 2022년도 정부(과학기술정보통신부)의 재원으로 정보통신평가원의 지원을 받아 수행된 연구임[No. 2020-0-00847 (5G+ 기지국 프론트홀 기술 개발), No. 2022-0-00584 (400Gbps 코히어런트 광트랜시버 개발)].

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