Principles of leaky-mode photonic lattices: band flips and Bloch mode dynamics

Robert Magnusson; Sun-Goo Lee; Kyu J. Lee; Hafez Hemmati; Daniel J. Carney; Pawarat Bootpakdeetam; Yeong Hwan Ko

doi:10.1117/12.2508984

4 March 2019 Principles of leaky-mode photonic lattices: band flips and Bloch mode dynamics

Robert Magnusson, Sun-Goo Lee, Kyu J. Lee, Hafez Hemmati, Daniel J. Carney, Pawarat Bootpakdeetam, Yeong Hwan Ko

Proceedings Volume 10921, Integrated Optics: Devices, Materials, and Technologies XXIII; 109211E (2019) https://doi.org/10.1117/12.2508984
Event: SPIE OPTO, 2019, San Francisco, California, United States

Abstract

We present principles of leaky-mode photonic lattices explaining key properties enabling potential device applications. The one-dimensional grating-type canonical model is rich in properties and conceptually transparent encompassing all essential attributes applicable to two-dimensional metasurfaces and periodic photonic slabs. We address the operative physical mechanisms grounded in lateral leaky Bloch mode resonance emphasizing the significant influence imparted by the periodicity and the waveguide characteristics of the lattice. The effects discussed are not explainable in terms of local Fabry-Perot or Mie resonances. In particular, herein, we summarize the band dynamics of the leaky stopband revealing principal Bragg diffraction processes responsible for band-gap size and band closure conditions. We review Bloch wave vector control of spectral characteristics in terms of distinct evanescent diffraction channels driving designated Bloch modes in the lattice.

Conference Presentation

Citation Download Citation

Robert Magnusson, Sun-Goo Lee, Kyu J. Lee, Hafez Hemmati, Daniel J. Carney, Pawarat Bootpakdeetam, and Yeong Hwan Ko "Principles of leaky-mode photonic lattices: band flips and Bloch mode dynamics", Proc. SPIE 10921, Integrated Optics: Devices, Materials, and Technologies XXIII, 109211E (4 March 2019); https://doi.org/10.1117/12.2508984

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