20dB-enhanced coupling to slot photonic crystal waveguide based on multimode interference

Xiaonan Chen; Lanlan Gu; Wei Jiang; Ray T. Chen

doi:10.1117/12.768188

8 February 2008 20dB-enhanced coupling to slot photonic crystal waveguide based on multimode interference

Xiaonan Chen, Lanlan Gu, Wei Jiang, Ray T. Chen

Proceedings Volume 6899, Photonics Packaging, Integration, and Interconnects VIII; 68990Q (2008) https://doi.org/10.1117/12.768188
Event: Integrated Optoelectronic Devices 2008, 2008, San Jose, California, United States

Abstract

We experimentally demonstrate a novel slot photonic crystal waveguide for guiding light with low group velocity in a 100-nm-wide low-index region. The unique optical property and structural features of the slotted photonic crystals best match the requirements for active material-based silicon devices. We integrate the novel photonic crystal waveguide with a multimode interference-based coupling structure and measure a 20dB efficiency enhancement compared with direct coupling configuration. The measured transmission spectra are in good agreement with simulated band diagram.

Citation Download Citation

Xiaonan Chen, Lanlan Gu, Wei Jiang, and Ray T. Chen "20dB-enhanced coupling to slot photonic crystal waveguide based on multimode interference", Proc. SPIE 6899, Photonics Packaging, Integration, and Interconnects VIII, 68990Q (8 February 2008); https://doi.org/10.1117/12.768188

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