Pulse shaping fiber lasers for free-space and lidar applications

Peng Wan; Jian Liu; Lih-Mei Yang; Farzin Amzajerdian

doi:10.1117/12.862569

15 September 2010 Pulse shaping fiber lasers for free-space and lidar applications

Peng Wan, Jian Liu, Lih-Mei Yang, Farzin Amzajerdian

Proceedings Volume 7817, Nanophotonics and Macrophotonics for Space Environments IV; 78170K (2010) https://doi.org/10.1117/12.862569
Event: SPIE Optical Engineering + Applications, 2010, San Diego, California, United States

Abstract

Fiber laser is becoming an enabling technology for coherent Lidar applications and free space communications due to its high efficiency, compact size and reliable operation. In these applications, high extinction rate and high OSNR are musts for a fiber laser. However, current Q-switched fiber lasers and solid state lasers cannot meet these criteria. Innovative approach has to be conceived to meet the requirements. In this paper, we will discuss our researches on high energy/power ns pulsed fiber lasers. Modulation schemes for seed laser in getting various optical waveforms to accommodate pulse narrowing in high power amplification and reduce SBS, high power operation of fiber amplifiers, nonlinearity mitigation in high power fiber lasers, and trade-offs among the parameters such as OSNR, power/energy scaling, extinction ratio, interpulses background noise (contrast ratio), and efficiency will be discussed.

Citation Download Citation

Peng Wan, Jian Liu, Lih-Mei Yang, and Farzin Amzajerdian "Pulse shaping fiber lasers for free-space and lidar applications", Proc. SPIE 7817, Nanophotonics and Macrophotonics for Space Environments IV, 78170K (15 September 2010); https://doi.org/10.1117/12.862569

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