Intermode beating mode-locking technique for a rare-earth-doped fiber pulsed laser Luo, Zhengqian ; Yang, Runhua ; Du, Tuanjie ; Ruan, Qiujun ; Li, Weiwei ; Chen, Nan Abstract Publication: Applied Optics Pub Date: July 2017 DOI: 10.1364/ao.56.006103 Bibcode: 2017ApOpt..56.6103L