Mar 7, 2012 ... Signals with Alosecond Timing Jiler and Drift for Future Light Sources. Jungwon
Kim, Kwangyun Jung, Chur Kim, Taekeun Kim, Youjian Song.
FLS Workshop 2012 March 7, 2012
Toward Op*cal and Microwave Signals with A8osecond Timing Ji8er and Dri< for Future Light Sources Jungwon Kim, Kwangyun Jung, Chur Kim, Taekeun Kim, Youjian Song Korea Advanced Ins.tute of Science and Technology (KAIST)
[email protected] hAp://upcam.kaist.ac.kr/ Funding: Na.onal Research Founda.on of Korea (2010-‐0003974), Technology Innova.on Program of MKE Korea, Pohang Accelerator Laboratory
Ultrafast lasers as ultralow-‐noise op*cal and electronic signal generators Electronic signal
Op-cal pulse train
t t
… OàE
Op-cal frequency comb
fR
2fR
op*cal frequency AM+PM
Arbitrary op-cal waveform
TR/n
Stabilized CW laser
...
nfR RF frequency
Mo*va*on for ultra-‐low *ming ji8er signal sources – Clocking large-‐scale X-‐ray free-‐electron lasers (XFELs) Future X-‐ray FELs will enable super-‐fine temporal (fs) and spa-al (Å) resolu-ons with ultra-‐high peak brilliance that could not be achieved before.
Requires dri