Two-Frequency Brillouin Fiber Laser Controlled by Temperature Difference in Fiber Ring Resonator |
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| Authors: | Yoh IMAI Noriaki SHIMADA |
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| Institution: | (1) Department of Computer Science and Electronics, Kyushu Institute of Technology, Kawazu 680-4, Iizuka, Fukuoka 820, Japan |
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| Abstract: | A Brillouin fiber laser (BFL) consisting of a fiber ring resonator with different fiber temperatures emits two-frequency light output. The two-frequency BFL yields an optical beat output which can be utilized as an optical frequency shifter. The output beat frequency is controllable by the temperature difference in the fiber ring resonator and changes with a step of a resonant frequency interval of BFL. The temperature dependence of the BFL output frequency was 2.4 MHz/°C. The stability of the output beat frequency to the temperature fluctuation was estimated as 1.04°C/2.5 MHz. |
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| Keywords: | stimulated Brillouin scattering Brillouin fiber laser nonlinear optical effect optical fiber optical frequency shifter fiber ring resonator |
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