Switchable multiple lasing oscillations in an erbium-doped fiber ring laser using a single stage of a Sagnac loop mirror |
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Authors: | R K Kim Y-G Han |
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Institution: | 1.Department of Physics,Hanyang University,Seoul,Korea;2.Korea Electrotechnology Research Institute,Changwon,Republic of Korea |
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Abstract: | A simple scheme for a switchable multi-wavelength erbium-doped fiber (EDF) ring laser is investigated by using a single stage
of a Sagnac loop mirror. The multiple lasing outputs are obtained and switched readily by controlling the state of polarization
(SOP). Since the transmission characteristics of the Sagnac loop mirror in terms of peak wavelengths and peak powers strongly
depend on the SOP, the switching performance of the proposed multi-wavelength EDF laser can be effectively obtained. The proposed
multi-wavelength EDF laser has versatile lasing outputs in states of a single-, dual-, triple-, and quadruple-wavelength oscillations.
The multiple outputs are effectively switchable by adjusting the SOP. |
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