Hybrid integration of conventional waveguide and photonic crystal structures | Zendy

Gregory P. Nordin | Zendy; Seunghyun Kim | Zendy; Jingbo Cai | Zendy; JianHua Jiang | Zendy

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Hybrid integration of conventional waveguide and photonic crystal structures

Author(s) -

Gregory P. Nordin,

Seunghyun Kim,

Jingbo Cai,

JianHua Jiang

Publication year - 2002

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.10.001334

Subject(s) - optics , photonic crystal , photonic integrated circuit , planar , waveguide , interferometry , beam splitter , refractive index , materials science , photonics , optoelectronics , physics , computer science , laser , computer graphics (images)

We propose the hybrid integration of conventional index-guided waveguides (CWGs) and photonic crystal (PhC) regions of very limited spatial extent as a promising path toward large-scale planar lightwave circuit (PLC) integration. In CWG/PhC structures the PhC regions do not perform the function of waveguiding, but instead augment the CWGs to permit a drastic reduction in the size of photonic components. For single mode waveguides with a refractive index contrast of only 2.3%, simulation results show a 90 degree bend with 98.7% efficiency, a compact beamsplitter with 99.4% total efficiency, and a planar Mach-Zender interferometer (MZI) with 97.8% efficiency. The MZI occupies an area of only 18microm m x 18 microm.

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