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Polarization independent wavelength tunable filter based on birefringence compensation
Polarization independent wavelength tunable filter based on birefringence compensation
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机译:基于双折射补偿的偏振无关波长可调滤波器
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摘要
A polarization independent wavelength tunable filter in the form of a dual-waveguide directional coupler. The conditions necessary to achieve coupling of a selected wavelength including both TE and TM polarization modes from one waveguide to a second waveguide in close proximity are achieved through a combination of geometrical and compositional tailoring of the waveguides and birefringence compensation in the waveguide and coupling layer.
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