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Lu C, Liu YC, Hu X, et al. Integrated ultracompact and broadband wavelength demultiplexer based on multi-component nano-cavities. Sci Rep. 2016;6:27428doi: 10.1038/srep27428.
Lu, C., Liu, Y. C., Hu, X., Yang, H., & Gong, Q. (2016). Integrated ultracompact and broadband wavelength demultiplexer based on multi-component nano-cavities. Scientific reports, 627428. https://doi.org/10.1038/srep27428
Lu, Cuicui, et al. "Integrated ultracompact and broadband wavelength demultiplexer based on multi-component nano-cavities." Scientific reports vol. 6 (2016): 27428. doi: https://doi.org/10.1038/srep27428
Lu C, Liu YC, Hu X, Yang H, Gong Q. Integrated ultracompact and broadband wavelength demultiplexer based on multi-component nano-cavities. Sci Rep. 2016 Jun 06;6:27428. doi: 10.1038/srep27428. PMID: 27263859; PMCID: PMC4893661.
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Sci Rep. 2016 Jun 06;6:27428. doi: 10.1038/srep27428.

Integrated ultracompact and broadband wavelength demultiplexer based on multi-component nano-cavities.

Scientific reports

Cuicui Lu, Yong-Chun Liu, Xiaoyong Hu, Hong Yang, Qihuang Gong

Affiliations

  1. Qian Xuesen Laboratory of Space Technology, China Academy of Space Technology, Beijing 100094, People's Republic of China.
  2. State Key Laboratory for Mesoscopic Physics &Department of Physics, Peking University, Beijing 100871, People's Republic of China.
  3. Collaborative Innovation Center of Quantum Matter, Beijing 100871, People's Republic of China.

PMID: 27263859 PMCID: PMC4893661 DOI: 10.1038/srep27428

Abstract

Integrated nanoscale photonic devices have wide applications ranging from optical interconnects and optical computing to optical communications. Wavelength demultiplexer is an essential on-chip optical component which can separate the incident wavelength into different channels; however, the experimental progress is very limited. Here, using a multi-component nano-cavity design, we realize an ultracompact, broadband and high-contrast wavelength demultiplexer, with 2.3 μm feature size, 200 nm operation bandwidth (from 780 nm to 980 nm) and a contrast ratio up to 13.7 dB. The physical mechanism is based on the strong modulation of the surface plasmon polaritons induced by the multi-component nano-cavities, and it can be generalized to other nanoscale photonic devices. This provides a strategy for constructing on-chip photon routers, and also has applications for chip-integrated optical filter and optical logic gates.

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