Mode-locked pulse generation from an all-fiberized, Tm-Ho-codoped fiber laser incorporating a graphene oxide-deposited side-polished fiber.
Identifieur interne : 000475 ( Main/Exploration ); précédent : 000474; suivant : 000476Mode-locked pulse generation from an all-fiberized, Tm-Ho-codoped fiber laser incorporating a graphene oxide-deposited side-polished fiber.
Auteurs : Minwan Jung ; Joonhoi Koo ; Jaehyun Park ; Yong-Won Song ; Young Min Jhon ; Kwanil Lee ; Sangbae Lee ; Ju Han LeeSource :
- Optics express [ 1094-4087 ] ; 2013.
Abstract
An in-depth experimental investigation was conducted into the use of a graphene oxide-based saturable absorber implemented on a side-polished fiber platform for femtosecond pulse generation in the 2 μm region. First, it was experimentally shown that an all-fiberized thulium-holmium (Tm-Ho)-codoped fiber ring laser with reduced cavity length can produce stable femtosecond pulses by incorporating a graphene oxide-deposited side-polished fiber. Second, the measurement accuracy issue in obtaining a precise pulse-width value by use of an autocorrelator together with a silica fiber-based 2 μm-band amplifier was investigated. It showed that the higher-order soliton compression effect caused by the combination of anomalous dispersion and Kerr nonlinearity can provide incorrect pulse-width information. Third, an experimental investigation into the precise role of the graphene oxide-deposited side-polished fiber was carried out to determine whether its polarization-dependent loss (PDL) can be a substantial contributor to mode-locking through nonlinear polarization rotation. By comparing its performance with that of a gold-deposited side-polished fiber, the PDL contribution to mode-locking was found to be insignificant, and the dominant mode-locking mechanism was shown to be saturable absorption due to mutual interaction between the evanescent field of the oscillated beam and the deposited graphene oxide particles.
PubMed: 24105553
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First, it was experimentally shown that an all-fiberized thulium-holmium (Tm-Ho)-codoped fiber ring laser with reduced cavity length can produce stable femtosecond pulses by incorporating a graphene oxide-deposited side-polished fiber. Second, the measurement accuracy issue in obtaining a precise pulse-width value by use of an autocorrelator together with a silica fiber-based 2 μm-band amplifier was investigated. It showed that the higher-order soliton compression effect caused by the combination of anomalous dispersion and Kerr nonlinearity can provide incorrect pulse-width information. Third, an experimental investigation into the precise role of the graphene oxide-deposited side-polished fiber was carried out to determine whether its polarization-dependent loss (PDL) can be a substantial contributor to mode-locking through nonlinear polarization rotation. By comparing its performance with that of a gold-deposited side-polished fiber, the PDL contribution to mode-locking was found to be insignificant, and the dominant mode-locking mechanism was shown to be saturable absorption due to mutual interaction between the evanescent field of the oscillated beam and the deposited graphene oxide particles.</div></front></TEI><affiliations><list></list><tree><noCountry><name sortKey="Jhon, Young Min" sort="Jhon, Young Min" uniqKey="Jhon Y" first="Young Min" last="Jhon">Young Min Jhon</name><name sortKey="Jung, Minwan" sort="Jung, Minwan" uniqKey="Jung M" first="Minwan" last="Jung">Minwan Jung</name><name sortKey="Koo, Joonhoi" sort="Koo, Joonhoi" uniqKey="Koo J" first="Joonhoi" last="Koo">Joonhoi Koo</name><name sortKey="Lee, Ju Han" sort="Lee, Ju Han" uniqKey="Lee J" first="Ju Han" last="Lee">Ju Han Lee</name><name sortKey="Lee, Kwanil" sort="Lee, Kwanil" uniqKey="Lee K" first="Kwanil" last="Lee">Kwanil Lee</name><name sortKey="Lee, Sangbae" sort="Lee, Sangbae" uniqKey="Lee S" first="Sangbae" last="Lee">Sangbae Lee</name><name sortKey="Park, Jaehyun" sort="Park, Jaehyun" uniqKey="Park J" first="Jaehyun" last="Park">Jaehyun Park</name><name sortKey="Song, Yong Won" sort="Song, Yong Won" uniqKey="Song Y" first="Yong-Won" last="Song">Yong-Won Song</name></noCountry></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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