3 August 2004 Harmonically mode-locked erbium-doped waveguide laser
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Abstract
The generation of ultrastable picosecond pulses in the 1550 nm range is required for numerous applications that include photonic analog-to-digital converter systems and high-bit rate optical communication systems. Mode-locked erbium-doped fiber ring lasers (EDFLs) are typically used to generate pulses at this wavelength. In addition to timing stability and output power, the physical size of the laser cavity is of primary importance to the Air Force. The length of the erbium (Er)-doped fiber used as the gain medium may be on the order of meters or even tens of meters which adds complexity to packaging. However, with the recent advancements in the production of multi-component glasses, higher doping concentrations can be achieved as compared to silicate glasses. Even more recent is the introduction of Er-doped multi-component glass waveguides, thus allowing the overall footprint of the gain medium to be reduced. We have constructed a novel harmonically mode-locked fiber ring laser using the Er-doped multi-component glass waveguide as the gain medium. The performance characteristics of this Er-doped waveguide laser (EDWL) including pulse width, spectral width, harmonic suppression, optical output power, laser stability and single sideband residual phase noise will be discussed in this paper.
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Michael L. Fanto, Michael L. Fanto, John E. Malowicki, John E. Malowicki, Rebecca J. Bussjager, Rebecca J. Bussjager, Steven T. Johns, Steven T. Johns, Elizabeth K. Vettese, Elizabeth K. Vettese, Michael J. Hayduk, Michael J. Hayduk, } "Harmonically mode-locked erbium-doped waveguide laser", Proc. SPIE 5435, Enabling Photonic Technologies for Aerospace Applications VI, (3 August 2004); doi: 10.1117/12.543511; https://doi.org/10.1117/12.543511
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