Over 100 W ultra-flat broadband short-wave infrared supercontinuum generation in a thulium-doped fiber amplifier.
Identifieur interne : 000115 ( Main/Exploration ); précédent : 000114; suivant : 000116Over 100 W ultra-flat broadband short-wave infrared supercontinuum generation in a thulium-doped fiber amplifier.
Auteurs : Ke Yin ; Lei Li ; Jinmei Yao ; Bin Zhang ; Jing HouSource :
- Optics letters [ 1539-4794 ] ; 2015.
Descripteurs français
- KwdFr :
- MESH :
English descriptors
- KwdEn :
- MESH :
- chemical : Thulium.
- instrumentation : Spectrophotometry, Infrared.
- Amplifiers, Electronic.
Abstract
An ultra-flat high-power short-wave infrared super-continuum (SC) source generated in an all-fiber thulium-doped fiber amplifier (TDFA) is reported. The SC had a high-spectral flatness with a 10 dB spectral bandwidth spanning from 1970 to 2431 nm and a power spectral density >23 dBm/nm. The output SC beam had Gaussian-shape profiles with a maximum average power of 101.6 W, a SC pulse repetition rate of 2 MHz, and a temporal duration of ∼5 ns. Benefiting from the high duty cycle of the 2 μm seed pulses, the power conversion efficiency from the 793 nm pump light to the maximal SC output power in the TDFA was as high as 35.4%, and the slope efficiency of the TDFA was linearly fitted to be 36.5%. Long-term high-power operation of the SC source showed its outstanding temporal stability. To the best of the authors' knowledge, the results obtained in this Letter represent a new power record for ultra-flat SC in the short-wave infrared region.
PubMed: 26469620
Affiliations:
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The SC had a high-spectral flatness with a 10 dB spectral bandwidth spanning from 1970 to 2431 nm and a power spectral density >23 dBm/nm. The output SC beam had Gaussian-shape profiles with a maximum average power of 101.6 W, a SC pulse repetition rate of 2 MHz, and a temporal duration of ∼5 ns. Benefiting from the high duty cycle of the 2 μm seed pulses, the power conversion efficiency from the 793 nm pump light to the maximal SC output power in the TDFA was as high as 35.4%, and the slope efficiency of the TDFA was linearly fitted to be 36.5%. Long-term high-power operation of the SC source showed its outstanding temporal stability. To the best of the authors' knowledge, the results obtained in this Letter represent a new power record for ultra-flat SC in the short-wave infrared region.</div></front></TEI><affiliations><list></list><tree><noCountry><name sortKey="Hou, Jing" sort="Hou, Jing" uniqKey="Hou J" first="Jing" last="Hou">Jing Hou</name><name sortKey="Li, Lei" sort="Li, Lei" uniqKey="Li L" first="Lei" last="Li">Lei Li</name><name sortKey="Yao, Jinmei" sort="Yao, Jinmei" uniqKey="Yao J" first="Jinmei" last="Yao">Jinmei Yao</name><name sortKey="Yin, Ke" sort="Yin, Ke" uniqKey="Yin K" first="Ke" last="Yin">Ke Yin</name><name sortKey="Zhang, Bin" sort="Zhang, Bin" uniqKey="Zhang B" first="Bin" last="Zhang">Bin Zhang</name></noCountry></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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