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Synchronization Modules

Synchronization Module

WBOC – Waveguide Balanced Optical Cross Correlator

Timing detector on chip with zepto-second resolution

  • Performant at low pulse energy and high repetition rate
  • Up to 100 times more sensitive than bulk BOC
  • More than 20 mV/fs sensitivity
  • Zeptosecond-level timing jitter resolution
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Details

Description

Timing detector on chip with zepto-second resolution

The Waveguide-BOC requires much less input pulse energy and is very suitable for high-repetition on-chip laser sources and microcombs.

It provides exceptionally high timing sensitivity, zepto-second timing resolution, amplitude invariance and robustness against environmental fluctuations. The output of the WBOC is a baseband voltage signal that is proportional to the relative time delay between the two sources. It can be combined with a Cycle ESYNC to synchronize two on-chip laser sources.

 

Applications

  • Noise investigations of microcombs
  • Repetition rate locking of microcombs and on-chip mode-locked lasers
  • Timing jitter and drift characterization of femtosecond lasers with low peak power and high repetition rate
  • Measurement and stabilization of optical path lengths (e.g., fiber link stabilization)

Tech Specs

Timing jitter

< 15 fs RMS

Timing sensitivity

> 20 mV/fs

Timing noise floor

< 0.1 fs RMS

Timing resolution

< 0.001 fs RMS

Datasheet

Waveguide-BOC