Author Affiliations

Wieslaw Królikowski,^1,* Mark Saffman,² Barry Luther-Davies,³ and Cornelia Denz⁴

¹Australian Photonics Cooperative Research Centre, Laser Physics Centre, Research School of Physical Sciences and Engineering, The Australian National University, Canberra ACT 0200, Australia, fax: +61-2-62490029

²Optics and Fluid Dynamics Department, Risø National Laboratory, Postbox 49, DK-4000 Roskilde, Denmark

³Australian Photonics Cooperative Research Centre, Laser Physics Centre, Research School of Physical Sciences and Engineering, The Australian National University, Canberra ACT 0200, Australia

⁴Institute of Applied Physics, Darmstadt University of Technology, D 64283, Darmstadt, Germany

^*Corresponding author: wzk111@rsphyl.anu.edu.au