2004
DOI: 10.1023/b:oqel.0000015628.51442.bf
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Modeling of grating assisted standing wave, microresonators for filter applications in integrated optics

Abstract: A wide, multimode segment of a dielectric optical waveguide, enclosed by Bragg reflectors and evanescently coupled to adjacent port waveguides, can constitute the cavity in an integrated optical microresonator. It turns out that the device can be described adequately in terms of an approximate coupled mode theory model which involves only a few guided modes as basis fields. By reasoning along the coupled mode model, we motivate a simple design strategy for the resonator device. Rigorous two dimensional mode ex… Show more

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Cited by 7 publications
(13 citation statements)
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“…From Ref. [16] we adopted a resonator concept and the related Bragg reflectors as examples for contradirectional coupled mode theory. The resonator (Figure 8) consists of a piece of a wide multimode waveguide that is terminated on both ends by Bragg gratings.…”
Section: Waveguide Bragg Grating-assisted Rectangular Resonatormentioning
confidence: 99%
See 3 more Smart Citations
“…From Ref. [16] we adopted a resonator concept and the related Bragg reflectors as examples for contradirectional coupled mode theory. The resonator (Figure 8) consists of a piece of a wide multimode waveguide that is terminated on both ends by Bragg gratings.…”
Section: Waveguide Bragg Grating-assisted Rectangular Resonatormentioning
confidence: 99%
“…For a unit TE excitation of the 5th order mode in the left half infinite part of the waveguide, the plot shows the relative power R reflected back into that mode, versus the vacuum wavelength λ. Continuous curve: rigorous calculations by bidirectional eigenmode propagation [12,16], reference; dashed line: the present HCMT model. Ref.…”
Section: Waveguide Bragg Grating-assisted Rectangular Resonatormentioning
confidence: 99%
See 2 more Smart Citations
“…A variant as proposed in Ref. [32] could be somewhat more realistic, where waveguide Bragg gratings constitute the cavity reflectors. Entirely different regimes of parameters apply, with significantly lower refractive index contrast at the cost of an increased device length.…”
Section: Discussionmentioning
confidence: 99%