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Huang Z, Chan HP, Afsar Uddin M. Low-loss ultracompact optical power splitter using a multistep structure. Appl Opt. 2010;49(10):1900-7doi: 10.1364/AO.49.001900.
Huang, Z., Chan, H. P., & Afsar Uddin, M. (2010). Low-loss ultracompact optical power splitter using a multistep structure. Applied optics, 49(10), 1900-7. https://doi.org/10.1364/AO.49.001900
Huang, Zhe, et al. "Low-loss ultracompact optical power splitter using a multistep structure." Applied optics vol. 49,10 (2010): 1900-7. doi: https://doi.org/10.1364/AO.49.001900
Huang Z, Chan HP, Afsar Uddin M. Low-loss ultracompact optical power splitter using a multistep structure. Appl Opt. 2010 Apr 01;49(10):1900-7. doi: 10.1364/AO.49.001900. PMID: 20357876.
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Appl Opt. 2010 Apr 01;49(10):1900-7. doi: 10.1364/AO.49.001900.

Low-loss ultracompact optical power splitter using a multistep structure.

Applied optics

Zhe Huang, Hau Ping Chan, Mohammad Afsar Uddin

Affiliations

  1. Department of Electronic Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon Tong, Hong Kong, China.

PMID: 20357876 DOI: 10.1364/AO.49.001900

Abstract

We propose a low-loss ultracompact optical power splitter for broadband passive optical network applications. The design is based on a multistep structure involving a two-material (core/cladding) system. The performance of the proposed device was evaluated through the three-dimensional finite-difference beam propagation method. By using the proposed design, an excess loss of 0.4 dB was achieved at a full branching angle of 24 degrees. The wavelength-dependent loss was found to be less than 0.3 dB, and the polarization-dependent loss was less than 0.05 dB from O to L bands. The device offers the potential of being mass-produced using low-cost polymer-based embossing techniques.

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