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Accurate and efficient simulation for silicon-nanowire-based multimode interference couplers with a 3D finite-element mode-propagation analysis

Jiao, Yuqing (författare)
Centre for Optical and Electromagnetic Research, State Key Laboratory of Modern Optical Instrumentation, Zhejiang University, Hangzhou 310027, China; Joint Research Center of Photonics of Royal Institute of Technology (Sweden), Zijingang Campus, Zhejiang University, Hangzhou 310058, China
Shi, Yaocheng (författare)
Centre for Optical and Electromagnetic Research, State Key Laboratory of Modern Optical Instrumentation, Zhejiang University, Hangzhou 310027, China; Joint Research Center of Photonics of Royal Institute of Technology (Sweden), Zijingang Campus, Zhejiang University, Hangzhou 310058, China
Dai, Daoxin (författare)
Centre for Optical and Electromagnetic Research, State Key Laboratory of Modern Optical Instrumentation, Zhejiang University, Hangzhou 310027, China; Joint Research Center of Photonics of Royal Institute of Technology (Sweden), Zijingang Campus, Zhejiang University, Hangzhou 310058, China
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He, Sailing (författare)
KTH,Zhejiang-KTH Joint Research Center of Photonics, JORCEP
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 (creator_code:org_t)
Optical Society of American (OSA), 2010
2010
Engelska.
Ingår i: Journal of the Optical Society of America. B, Optical physics. - : Optical Society of American (OSA). - 0740-3224 .- 1520-8540. ; 27:9, s. 1813-1818
  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
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  • A three-dimensional (3D) finite-element mode-propagation analysis is presented to give an accurate and efficient simulation for silicon-nanowire- based multimode interference (MMI) couplers. For the presented numerical method, a finite-element method mode solver is used to calculate the mode profiles and the propagation constants in a multimode section. The comparison between the presented method and some other numerical methods [e.g., finite-difference time-domain (FDTD) method, beam propagation methods, etc.] is also shown. It is shown that the presented numerical method gives simulation results very close to those from the 3D FDTD (with a deviation less than 1%). Therefore, it is very convenient for the design of Si-nanowire-based MMI couplers.

Ämnesord

NATURVETENSKAP  -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)

Nyckelord

Beam propagation method
Finite difference time domain method
Integrated optics
Nanowires
Number theory
Numerical methods
Three dimensional
3D FDTD
Efficient simulation
Finite-element
MMI-coupler
Mode profiles
Mode solvers
Multimode interference couplers
Multimodes
Propagation constant
Silicon Nanowires
Simulation result
Three-dimensional (3D)
Finite element method

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Jiao, Yuqing
Shi, Yaocheng
Dai, Daoxin
He, Sailing
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