首页|Integrated Fabry-Perot interferometer based on Er/Yb co-doped fiber for all-optical phase modulation
Integrated Fabry-Perot interferometer based on Er/Yb co-doped fiber for all-optical phase modulation
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Fast and stable phase control is essential for many applications in optics.Here,we propose an all-fiber all-optical phase modulation scheme based on a Fabry-Perot interferometer[FPI]and an Er/Yb co-doped fiber[EYDF].By using the EYDF as an F-P cavity via rational design,a phase shift with a modulation sensitivity of 0.0312π/mW is introduced to the modulator.The phase shifts in the EYDF consist of a thermal phase shift and a nonlinear phase shift with a ratio of 19:1,and the cor-responding temporal responses of the modulation are 204 ms and 2.5 ms,respectively.In addition,the compact FPI is encapsulated to provide excellent stability for the modulator.
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