Virtually image phased array based on Bragg reflector waveguide for large-port optical switching

Fumio Koyama

doi:10.1117/12.2084908

26 March 2015 Virtually image phased array based on Bragg reflector waveguide for large-port optical switching

Fumio Koyama

Proceedings Volume 9372, High Contrast Metastructures IV; 93720E (2015) https://doi.org/10.1117/12.2084908
Event: SPIE OPTO, 2015, San Francisco, California, United States

Abstract

We review a new type of dispersion elements based on a Bragg reflector waveguide, which provides a large angular dispersion of 1~2°/nm. The device functions as sub-wavelength virtually imaged phased array grating. We obtain a number of resolution-points (possible channel-count in demultiplexing) over 1,000. We demonstrate a large-scale wavelength switch based on a Bragg reflector waveguides array. The waveguides array has a small footprint of 2×4 mm², but provides both ultra-large numbers (>100) of output-ports and wavelength-channels at the same time. Prospects for further increase in the wavelength channel count and output ports will be discussed.

Citation Download Citation

Fumio Koyama "Virtually image phased array based on Bragg reflector waveguide for large-port optical switching", Proc. SPIE 9372, High Contrast Metastructures IV, 93720E (26 March 2015); https://doi.org/10.1117/12.2084908

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