Journal
ELECTRONICS LETTERS
Volume 46, Issue 19, Pages 1343-1344Publisher
INST ENGINEERING TECHNOLOGY-IET
DOI: 10.1049/el.2010.2228
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Funding
- NICT
- [20360175]
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Proposed is an approach to achieving a carrier-envelope-offset (CEO)-locked frequency comb with 25 GHz mode spacing in the telecommunications wavelength region. To achieve the approach, a 250 fs laser pulse train at a 25 GHz repetition rate was developed by intensity-and phase-modulating a seed light emitted from a continuous-wave laser diode and propagating it through a dispersive fibre. Using the authors' developed tellurite photonics crystal fibre with a high-nonlinear coefficient, octave-spanning supercontinuum generation in the 1.5 mu m band from a 250 MHz gated pulse train for CEO frequency detection was demonstrated.
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