16 May 2017 An 8-channel wavelength demultiplexer based on photonic crystal fiber
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Abstract
We propose a novel 8-channel wavelength demultiplexer based on photonic crystal fiber (PCF) structures that operate at 1530nm, 1535nm, 1540nm, 1545nm, 1550nm, 1555nm, 1560nm and 1565nm wavelengths. The new design is based on replacing some air-holes zones with silicon nitride and lithium niobate materials along the PCF axis with optimization of the PCF size. The reason of using these materials is because that each wavelength has a different value of coupling length. Numerical investigations were carried out on the geometrical parameters by using a beam propagation method (BPM). Simulation results show that the proposed device can transmit 8-channel that works in the whole C-band (1530- 1565nm) with low crosstalk ((-16.88)-(-15.93) dB) and bandwidth (4.02-4.69nm). Thus, the device can be very useful in optical networking systems that work on dense wavelength division multiplexing (DWDM) technology.
Conference Presentation
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Dror Malka, Dror Malka, } "An 8-channel wavelength demultiplexer based on photonic crystal fiber", Proc. SPIE 10232, Micro-structured and Specialty Optical Fibres V, 102320F (16 May 2017); doi: 10.1117/12.2269482; https://doi.org/10.1117/12.2269482
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