期刊
OPTICS EXPRESS
卷 22, 期 16, 页码 19277-19283出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.22.019277
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资金
- Deutsche Forschungsgemeinschaft
- Friedrich-Alexander-Universitat Erlangen-Nurnberg within the funding program Open Access Publishing
We utilize a high quality calcium fluoride whispering-gallery-mode resonator to passively stabilize a simple erbium doped fiber ring laser with an emission frequency of 196 THz (wavelength 1530nm) to an instantaneous linewidth below 650Hz. This corresponds to a relative stability of 3.3 x 10(-12) over 16 mu s. In order to characterize the linewidth we use two identical self-built lasers and a commercial laser to determine the individual lasing linewidth via the three-cornered-hat method. We further show that the lasers are finely tunable throughout the erbium gain region. (C) 2014 Optical Society of America
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