Abstract:The high performance characteristics of lenseless, tunable, allfiber Fabry-Perot filters allow diverse optical signal processing necessary for a variety of wavelength division multiplex telecommunication systems and wavelength division multiple access data communication nstwo-rks.
“…For optical fiber communication applications, FFP-TFs can be used to select wavelength for each channel in wavelength division multiplexing (WDM) system [1]. In fiber Brag grating (FBG) sensing systems, FFP-TFs can be adopted in dynamically demodulation [2].…”
Fiber Fabry-Perot (FFP) filters have been widely used in optical fiber communications, and insertion loss (IL) is one of its important characteristics. Based on theoretically analysis, factors related to IL were discussed. In order to investigate the IL of different structures, simulations are carried out with finite-difference time-domain (FDTD) algorithm. Comparisons are made between the optimized structure and full-size-mirror FFP filter, and fiber-inserted FFP filter as well. Simulation results demonstrated that the finite-size-mirror structure can confine the mode size of the open resonator, hence reduce the IL of FFP filter.
“…For optical fiber communication applications, FFP-TFs can be used to select wavelength for each channel in wavelength division multiplexing (WDM) system [1]. In fiber Brag grating (FBG) sensing systems, FFP-TFs can be adopted in dynamically demodulation [2].…”
Fiber Fabry-Perot (FFP) filters have been widely used in optical fiber communications, and insertion loss (IL) is one of its important characteristics. Based on theoretically analysis, factors related to IL were discussed. In order to investigate the IL of different structures, simulations are carried out with finite-difference time-domain (FDTD) algorithm. Comparisons are made between the optimized structure and full-size-mirror FFP filter, and fiber-inserted FFP filter as well. Simulation results demonstrated that the finite-size-mirror structure can confine the mode size of the open resonator, hence reduce the IL of FFP filter.
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