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Publication # 299 |
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Yang Jiao, Sergei F. Mingaleev, Matthias Schillinger, David A. B.
Miller, Shahui Fan, and Kurt Busch, "Wannier Basis Design and
Optimization of a Photonic Crystal Waveguide Crossing," IEEE Photonics
Technology Letters
17,
no.9, p.1875-7 (Sept. 2005)
We employ a novel platform
for the realization of tunable photonic crystal (PC) circuits together
with a Wannier basis modeling and optimization scheme in order to design
a broad-band waveguide crossing. The superior performance
characteristics of our design include a high bandwidth (2% of the center
frequency) as well as low values for crosstalk (-40 dB) and reflection
(-30 dB). In addition, we demonstrate the robustness of the device
performance against fabrication disorder. Our novel design paradigm will
enable efficient and ultracompact PC-based device designs with complex
functionalities. |
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