4.4 Article

A diode-pumped 1.5 μm waveguide laser mode-locked at 6.8 GHz by a quantum dot SESAM

Journal

LASER PHYSICS LETTERS
Volume 10, Issue 10, Pages -

Publisher

IOP PUBLISHING LTD
DOI: 10.1088/1612-2011/10/10/105803

Keywords

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Funding

  1. EPSRC [EP/H035745/1, EP/H038035/1, EP/J008052/1]
  2. EU
  3. Engineering and Physical Sciences Research Council [EP/H038035/1, EP/H035745/1, EP/J008052/1] Funding Source: researchfish
  4. EPSRC [EP/H035745/1, EP/J008052/1, EP/H038035/1] Funding Source: UKRI

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We report a passively mode-locked, diode-pumped waveguide laser operating in the 1.5 mu m spectral region using a quantum dot semiconductor saturable absorber mirror as the saturable absorber element. A repetition rate of up to 6.8 GHz and an average power as high as 30 mW were obtained during mode-locked operation. A minimum pulse duration of 2.5 ps was produced at a wavelength of 1556 nm. The repetition rate of the source was tuned by more than 1 MHz by changing the pump power, demonstrating a possible route towards integrated pulse repetition rate stabilization.

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