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11 March 2020 Generation of megawatt-class soliton at 1680 nm in a flexible Bragg fiber (Conference Presentation)
Hugo Delahaye, Geoffroy Granger, Dmitry Gaponov, Laure Lavoute, Mathieu Jossent, Svetlana Aleshkina, Mikhail Salganskii, Mikhail Likhachev, Denis Lipatov, Sebastien Février
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Proceedings Volume 11260, Fiber Lasers XVII: Technology and Systems; 112600N (2020) https://doi.org/10.1117/12.2550556
Event: SPIE LASE, 2020, San Francisco, California, United States
Abstract
We report on a fiber laser setup optimized to generate and propagate high energy solitons with megawatt peak power around 1700 nm. Picosecond pulses from a chirped-pulse amplifier system at 1560 nm trigger the formation of sub-100 fs solitons with approximately 70 nJ energy in an all-solid photonic bandgap Bragg fiber with ultra-large mode area. Upon propagation in the same fiber the soliton self-frequency shift effect allows for tuning the central wavelength up to 1680 nm in a 1.5 m long piece of fiber. This work paves the way to miniaturized endomicroscopes in the biologically relevant window around 1700 nm and, thanks to the 20-cm critical bend radius of the delivery fiber, opens the way to deep in vivo imaging of freely moving animals.
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Hugo Delahaye, Geoffroy Granger, Dmitry Gaponov, Laure Lavoute, Mathieu Jossent, Svetlana Aleshkina, Mikhail Salganskii, Mikhail Likhachev, Denis Lipatov, and Sebastien Février "Generation of megawatt-class soliton at 1680 nm in a flexible Bragg fiber (Conference Presentation)", Proc. SPIE 11260, Fiber Lasers XVII: Technology and Systems, 112600N (11 March 2020); https://doi.org/10.1117/12.2550556
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KEYWORDS
Solitons
Fiber amplifiers
Microscopy
Optical amplifiers
Complex systems
Femtosecond phenomena
Medium wave
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