Dual Band Active Nanostructured Core Fiber for Two-Color Fiber Laser Operation

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985882%3A_____%2F22%3A00564321" target="_blank" >RIV/67985882:_____/22:00564321 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.1109/JLT.2022.3199581" target="_blank" >https://doi.org/10.1109/JLT.2022.3199581</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1109/JLT.2022.3199581" target="_blank" >10.1109/JLT.2022.3199581</a>

Result language
angličtina
Original language name
Dual Band Active Nanostructured Core Fiber for Two-Color Fiber Laser Operation
Original language description
We present the experimental verification of a new type of an active nanostructured fiber devoted to simultaneous laser emission at two wavelengths: 1040 nm and 1534 nm in the fundamental mode. The fiber core is formed with two types of nanorods made of a phosphate glass doped with either Yb3+ or co-doped with Yb3+/Er3+ ions, respectively. A distribution of the nanorods in the core allows to control relative gain and modal properties of the fiber at both wavelengths and to maintain the single mode performance with a high quality beam generated in a single fiber core. The double-cladding fiber structure allows efficient excitation with a single 975 nm diode pump laser. As a proof-of-concept we demonstrated an active fiber with 15 mu m core diameter composed of 6649 nanorods with an individual diameter of 160 nm. The fiber was used in a laser setup. The laser operation was verified for simultaneous two-color laser generation at output power levels of 0.78 W and 0.42 W with slope efficiency of 23.0% and 9.8% at 1040 nm and 1534 nm, respectively.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10306 - Optics (including laser optics and quantum optics)

Project
<a href="/en/project/GF21-45431L" target="_blank" >GF21-45431L: Novel nanostructured optical fibers for fiber lasers operating at dual wavelengths</a><br>
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2022
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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