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Broad-band wavelength-tunable, single frequency, and single polarization bismuth oxide-based erbium-doped fiber laser

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5 Author(s)
Sotobayashi, H. ; Res. Lab. of Electron., Massachusetts Inst. of Technol., Cambridge, MA, USA ; Gopinath, Juliet T. ; Takushima, Y. ; Hsu, K.
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We demonstrate a broad-band wavelength-tunable Bismuth Oxide-based Erbium-doped fiber (Bi-EDF) laser covering both the conventional wavelength band and the long wavelength band. It features single frequency and single polarization oscillation; the former is obtained by making the cavity length short and incorporating an intracavity narrow-band fiber Fabry-Pe´rot filter, and the latter is achieved with a sigma laser configuration using nonpolarization maintaining fibers. Tuning over 90 nm (1520-1610 nm) is achieved by utilizing the broad gain bandwidth of Bi-EDF amplifier.

Published in:

Photonics Technology Letters, IEEE  (Volume:16 ,  Issue: 7 )