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Passive harmonic mode locking of twin-pulse solitons in an erbium-doped fiber ring laser
Affiliation:1. School of Electrical and Electronic Engineering, Nanyang Technological University, Nanyang Avenue, Singapore 639798, Singapore;2. Department of Electrical Engineering, Hong Kong Polytechnic University, Hong Kong;3. Institute for Infocomm Research, 18 Nanyang Drive, Singapore 637723, Singapore;1. Gdansk University of Technology, Gdansk, Poland;2. Brunel University London, Uxbridge, Middlesex, United Kingdom;1. National Institute of Laser Enhanced Sciences, NILES, Cairo University, Giza, Egypt;2. Elettra Synchrotron Trieste, Italy;3. National Atomic Agency, Syria;4. Department of Physics, Faculty of Science, Beni-Suef University, Egypt;1. Department of Aerospace Science and Technology, Space Engineering University, Beijing 101416, China;2. Lab of Quantum Detection & Awareness, Space Engineering University, Beijing 101416, China;3. Basic Ministry, Space Engineering University, Beijing 101416, China;4. 63729 Troops of Chinese People''s Liberation Army, Taiyuan 030027, China;1. Laboratoire de Photonique d''Angers EA 4644, Université d''Angers, 2 Bd Lavoisier, 49000 Angers, France;2. Institute of Automation and Electrometry, Russian Academy of Sciences, Acad. Koptyug Pr. 1, 630090 Novosibirsk, Russia
Abstract:
We report on the experimental observation of passive harmonic mode locking of twin-pulse solitons in an erbium-doped fiber ring laser. Experimental investigations on the passive harmonic mode locking of both the single-pulse and the twin-pulse solitons revealed that, apart from the gain recovery and acoustically induced soliton interactions, the global soliton interaction mediated through an unstable CW lasing in the laser cavity also plays an important role in the formation of the state in the laser.
Keywords:
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