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The waveguide invariant for a Pekeris waveguide
The Journal of the Acoustical Society of America, 2021A closed-form waveguide invariant β for a Pekeris waveguide is derived. It is based on the modal Wentzel-Kramers-Brillouin (WKB) dispersion equation and implicit differentiation, in conjunction with the concept of the “effective boundary depth,” ΔH(θ), where θ is the propagation angle.
Gihoon, Byun, H C, Song
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Periodic Waveguides and MQW Waveguide
2015In research field of optics, diffraction gratings are widely investigated and applied; on the other hand, periodic metal waveguide is familiar to those worked with microwave waveguide. The early studies on periodic waveguide have a profound impact on the development of the waveguide optics.
Xianping Wang, Cheng Yin, Zhuangqi Cao
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COMPACT WAVEGUIDE TAPER AND WAVEGUIDE CROSSING
2022LEE JIN-HYOUNG, TRITA ANDREA
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Efficient adiabatic silicon-on-insulator waveguide taper
Photonics Research, 2014Weijie Tang, Yunfei Fu
exaly

