This content has been downloaded from IOPscience. Please scroll down to see the full text. Download details: IP Address: 128.59.222.12 This content was downloaded on 26/09/2014 at 16:29 Please note that terms and conditions apply. Harmonically mode-locked semiconductor-based lasers as high repetition rate ultralow noise pulse train and optical frequency comb sources View the table of contents for this issue, or go to the journal homepage for more 2009 J. Opt. A: Pure Appl. Opt. 11 103001 (http://iopscience.iop.org/1464-4258/11/10/103001) Home Search Collections Journals About Contact us My IOPscience