White light lasers

Rose, CS; McDonald, GS; Christian, JM

Abstract

Broadband multiline frequency combs present a wealth of applications, ranging from meteorology, sensing and measurements to those potentially in the domain of attosecond science. We report here on detailed investigations of a novel process that is accompanied by extreme enhancement of the bandwidth of the generated frequencies – resulting in a novel white light laser source. Cavity contexts where efficient broadband multiline generation have been reported include spherical
micro-cavities [1], monolithic micro-resonators [2] and so-called ‘bottle micro-resonators’ [3], in which the cavity quality to mode volume ratio ( Q / V ) plays a dominant role in the characteristics of the device and its constituent whispering gallery modes. Typically, maximum quality and low volume lead to the optimal condition of high Q / V. To illustrate distinctiveness from these well-known contexts, we stress that the effects we report can be optimal in either low-Q resonators (with very moderate reflectivities) or larger volume cavities (e.g. with longer cavity lengths).

Citation

Rose, C., McDonald, G., & Christian, J. (2011, June). White light lasers. Poster presented at SEE Celebration of Research, University of Salford, Greater Manchester, UK

• Presentation Conference Type: Poster
• Conference Name: SEE Celebration of Research
• Conference Location: University of Salford, Greater Manchester, UK
• Start Date: Jun 30, 2011
• Publication Date: Jun 30, 2010
• Deposit Date: Oct 17, 2011
• Publicly Available Date: Apr 5, 2016
• Additional Information: Event Type : Conference; References : [1] Spillane S M, Kippenberg T J and Vahala K J, Nature 415, 621 (2002). [2] Del’Haye P et al, Nature 450, 1214 (2007). [3] Pollinger M et al, Phys. Rev. Lett. 103, 053901 (2009).