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GHz pulse train generation in fiber lasers by cavity induced modulation instability
Affiliation:1. School of Physics and Electronic Engineering, Jiangsu Normal University, Xuzhou 221116, China;2. School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798, Singapore;1. Department of Mathematics, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia;2. Department of Mathematics, Faculty of Science, Beni-Suef University, Beni-Suef, Egypt;3. Department of Mathematics, Faculty of Science for Girls, King Abdulaziz University, Jeddah, Saudi Arabia;4. Department of Mathematical Sciences, Delaware State University, Dover, DE 19901-2277, USA;5. Department of Mathematics, Kuztown University of Pennsylvania, 15200 Kutztown Road, Kuztown, PA 19530, USA;6. Faculty of Electronic Engineering, Department of Telecommunications, University of Nis, Aleksandra Medvedeva 14, 18000 Nis, Serbia;7. Canino School of Engineering Technology, State University of New York, Canton, NY 13617, USA;8. Department of Mathematics, Howard University, Washington, DC 20059, USA;9. Applied and Industrial Mathematics Research Group, School of Physical, Environmental and Mathematical Sciences, UNSW, Canberra, ACT 2600, Australia;1. BUAP, Facultad de Ciencias Físico Matemáticas, Av. San Claudio y 18 Sur, San Manuel, Puebla, México;2. Centro de Investigaciones en Óptica, Loma del Bosque 115, Col. Lomas del Campestre, León, Gto 37150, México;3. INAOE, Enrique Erro 1, Tonantzintla A.P., 72000, Puebla, México;4. Consejo Nacional de Ciencia y Tecnología (CONACYT), Av. Insurgentes Sur No. 1582, Col. Crédito Constructor, Del. Benito Juárez, C. P. 039040, México D. F.;1. Department of Information Engineering and Computer Science, Feng Chia University, No. 100, Wenhwa Rd., Seatwen, Taichung 40724, Taiwan;2. Department of Communication Engineering, Feng Chia University, No. 100, Wenhwa Rd., Seatwen, Taichung 40724, Taiwan;3. Department of Management and International Business, University of Auckland, Auckland, New Zealand;4. College of Information and Technology, The University of Da Nang, Luu Quang Vu Rd., Da Nang City, Viet Nam;1. Temasek Laboratories of Nanyang Technological University, Singapore 639798, Singapore;2. School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798, Singapore;3. School of Materials Science and Engineering, Nanyang Technological University, Singapore 639798, Singapore;1. Temasek Laboratories of Nanyang Technological University, Singapore 639798;2. School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798;3. School of Materials Science and Engineering, Nanyang Technological University, Singapore 639798
Abstract:We report on the experimental generation of highly stable pulse trains with GHz level repetition rate in a ring cavity fiber laser. We show both theoretically and experimentally that the generation mechanism of the pulse trains was due to the cavity induced modulation instability (CIMI) lasing of the fiber laser. Coexistence of the conventional modulation instability (MI) and the CIMI in the same fiber laser were also experimentally observed. It shows that the two effects are independent of each other.
Keywords:Ultrafast fiber laser  GHz pulse trains  Modulation instability  Nonlinear optics
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