Advisors

Stimulated Raman scattering in gas-filled hollow-core PCF

State-of-the-art hollow-core photonic crystal fibres (HC-PCF) have proved to be excellent vehicles for ultralow-threshold molecular modulation of optical pulses. Our well-equipped laboratory as well as computational facilities allow us to conduct cutting-edge research in the field stimulated Raman scattering (SRS) in gases. This phenomenon involves the phase modulation of light by vibrating or rotating molecules. The research covers a whole variety of different SRS regimes, including tunable light sources and frequency combs [1], controlling SRS using higher-order guided modes [2] coherent manipulation of SRS [3] and impulsive excitation of Raman active gases using ultrashort pulses. As a member of the SRS team you will not only be able to get involved in these exciting experiments, but will also be encouraged to explore new ideas in the field.

References

  1. A. Abdolvand et al., Generation of a phase-locked Raman frequency comb in gas-filled hollow-core photonic crystal fiber, Optics Letters 37, 4362-4364 (2012).
  2. M. Ziemienczuk et al., Intermodal stimulated Raman scattering in hydrogen-filled hollow-core photonic crystal fiber, JOSA B 29, 1563-1568 (2012).
  3. A. V. Chugreev et al., Manipulation of coherent Stokes light by transient stimulated Raman scattering in gas filled hollow-core PCF, Opt. Express 17, 8822–8829 (2009).

Figure: Second-harmonic signal from a frequency comb generated in a hydrogen-filled hollow-core photonic crystal fibre [1].

Contact:

Dr. Amir Abdolvand (amir.abdolvand@mpl.mpg.de)