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      • Faculty of Engineering
      • Department of Electrical and Electronics Engineering
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      An integrated femtosecond timing distribution system for XFELS

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      Author(s)
      Kim, J.
      Burnham, J.
      Chen, J.
      Kartner, F. X.
      İlday, Fatih Ömer
      Ludwig, F.
      Schlarb, H.
      Winter, A.
      Ferianis, M.
      Cheever, D.
      Date
      2006
      Source Title
      Proceedings of the 10th European Particle Accelerator Conference, EPAC 2006
      Publisher
      Massachusetts Institute of Technology
      Pages
      2744 - 2746
      Language
      English
      Type
      Conference Paper
      Item Usage Stats
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      Abstract
      Tightly synchronized lasers and RF-systems with timing jitter in the few femtoseconds range are necessary sub-systems for future X-ray free electron laser facilities. In this paper, we present an optical-microwave phase detector that is capable of extracting an RF-signal from an optical pulse stream without amplitude-to-phase conversion. Extraction of a microwave signal with 3 fs timing jitter (from 1 Hz to 10 MHz) from an optical pulse stream is demonstrated. Scaling of this component to subfemtosecond resolution is discussed. Together with low noise mode-locked lasers, timing-stabilized optical fiber links and compact optical cross-correlators, a flexible femtosecond timing distribution system with potentially sub-10 fs precision over distances of a few kilometers can be constructed. Experimental results on both synchronized RF and laser sources will be presented.
      Keywords
      Correlators
      Free electron lasers
      Optical fibers
      Timing jitter
      Distribution systems
      Femtosecond timing
      Microwave signals
      Mode-locked laser
      Optical-fiber links
      Phase detectors
      Synchronized laser
      X-ray free electron lasers
      Ultrashort pulses
      Permalink
      http://hdl.handle.net/11693/27266
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      • Department of Electrical and Electronics Engineering 3702
      • Department of Physics 2397
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