Title :
Nonstoichiometric Si1−xGex based tunable saturable absorber for mode-locked erbium-doped fiber laser
Author :
Chi-Cheng Yang ; Yung-Hsiang Lin ; Gong-Ru Lin
Author_Institution :
Dept. of Electr. Eng., Nat. Taiwan Univ., Taipei, Taiwan
Abstract :
Free-standing thin-film flexible Si1-xGex saturable absorber with Si/Ge composition-ratio dependent saturable absorbance is demonstrated to passively mode-lock the erbium-doped fiber laser for delivering a pulsewidth of 330 fs at a modulation depth of 16%.
Keywords :
Ge-Si alloys; erbium; fibre lasers; laser mode locking; laser tuning; optical modulation; optical saturable absorption; semiconductor materials; semiconductor thin films; Si1-xGex; composition-ratio dependent saturable absorbance; free-standing thin-film flexible saturable absorber; modulation depth; nonstoichiometric Si1-xGex based tunable saturable absorber; passively mode-locked erbium-doped fiber laser; pulsewidth; time 330 fs; Absorption; Graphene; Modulation; Optical device fabrication; Optical films; Silicon;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
