Conference paper
Photonic crystal fiber technology for monolithic single-mode large mode area all-solid amplifier
In this work, an all-solid Ytterbium doped double-clad single-mode (SM) large-mode-area (LMA) photonic crystal fiber (PCF) is characterized in a monolithic amplifier setup. The characterized all-solid PCF combines the SM operation of LMA PCFs while maintaining simple splicing of all-solid fibers. The fiber has been tested in a pulsed monolithic forward pumped amplifier system achieving excellent modal properties.
The fiber is polarization maintaining and has a mode field diameter of approximately 24 μm. At optimal fiber length the output signal power of the amplifier was measured to 43 W limited by pump power with an optical to optical efficiency of 61 %. Polarization extinction ratios (PER) above 18 dB was observed for all fiber lengths.
Simple splicing with splice losses < 0.2 dB and maintained polarization are reported using a standard Fujikura fusion splicer.
| Language: | English |
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| Publisher: | SPIE - International Society for Optical Engineering |
| Year: | 2019 |
| Proceedings: | SPIE Photonics West 2019 |
| Series: | Proceedings of Spie - the International Society for Optical Engineering |
| ISSN: | 1996756x and 0277786x |
| Types: | Conference paper |
| DOI: | 10.1117/12.2506995 |
| ORCIDs: | Hauge, Jakob Milo and Lægsgaard, Jesper |
