201 W picosecond green laser using a mode-locked fiber laser driven cryogenic Yb:YAG amplifier system: erratum Kowalewski, Katie ; Zembek, Jason ; Envid, Victoria ; Brown, David C. Abstract Publication: Optics Letters Pub Date: March 2013 DOI: 10.1364/OL.38.000808 Bibcode: 2013OptL...38..808K