24 February 2006 Designing WDM filter on planar holographic Bragg reflectors with iterative layer-peeling algorithm
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Abstract
In this paper, we have developed the design method for planar holographic Bragg reflectors by layer-peeling algorithm. Layer-peeling algorithm is known as an efficient tool for synthesizing fiber Bragg grating which is one-dimension gating. We have modified the layer-peeling algorithm that can synthesize planar holographic Bragg reflectors. In order to solve the difficulty of fabricating the negative parts of apodization in planar holographic Bragg reflectors, we use iterative layer-peeling algorithm with fabrication constraints. The designed planar holographic Bragg reflector with 1 lob is 5.7 mm long, containing no phase shift. The stopband isolation is −30 dB. The bandwidth utilization factor is 68%. The dispersion is 91 ps/nm in the 0.54 nm passband at −1 dB. The group delay ripple is below 0.6 ps. The novel designs for the passband WDM filter that we have demonstrated is easier to manufacture.
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Yueh Ouyang, "Designing WDM filter on planar holographic Bragg reflectors with iterative layer-peeling algorithm", Proc. SPIE 6123, Integrated Optics: Devices, Materials, and Technologies X, 61231D (24 February 2006); doi: 10.1117/12.660677; https://doi.org/10.1117/12.660677
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