Direct mapping of light propagation in photonic crystal waveguides

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Abstract

Using near-field optical microscopy, we directly map the propagation of light in the wavelength range of 1510-1560 nm along bent photonic crystal waveguides formed by removing a single row of holes in the triangular 400-nm-period lattice and connected to access ridge waveguides, the structure being fabricated on silicon-on-insulator wafers. Based on the near-field optical images measured, we determine the bend loss to be below 2 dB in the range of 1510-1530 nm, identify the associated loss channels, and obtain an upper limit of 930 nm for the guided mode width intensity distribution at 1510 nm. © 2002 Elsevier Science B.V. All rights reserved.

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Bozhevolnyi, S. I., Volkov, V. S., Arentoft, J., Boltasseva, A., Søndergaard, T., & Kristensen, M. (2002). Direct mapping of light propagation in photonic crystal waveguides. Optics Communications, 212(1–3), 51–55. https://doi.org/10.1016/S0030-4018(02)01861-8

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