University of Birmingham > Talks@bham > Cold Atoms > Frequency combs from the visible to the mid-infrared

Frequency combs from the visible to the mid-infrared

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  • UserDerryck Reid (Heriot-Watt)
  • ClockFriday 30 January 2015, 13:30-15:00
  • HousePhysics East 217.

If you have a question about this talk, please contact Vincent Boyer.

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In 2007 Heriot-Watt was the first group worldwide to achieve carrier-envelope-offset locking of a femtosecond optical parametric oscillator (OPO), and subsequently reported a nearly 3-octave spanning comb from a synchronously-pumped Ti:sapphire-pumped OPO . Since then we have developed our capabilities, demonstrating Ti:sapphire, Yb:fibre and OPO frequency combs at repetition rates up to 1 GHz and spanning 400 — 4000 nm wavelength.

This talk will introduce the techniques behind frequency combs, explaining the principles of carrier-envelope offset locking, particularly in an OPO context. I will then discuss a number of applications of OPO combs, including dual-comb spectroscopy, precision optical metrology and coherent pulse synthesis with ~100-attosecond timing control. The talk will conclude by discussing some future opportunities for OPO frequency combs.

This talk is part of the Cold Atoms series.

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