Numerical techniques for multimode interference couplers

Bobo Hu; Phillip Sewell; Ana Vukovic; Jun Jun Lim; Trevor Mark Benson

doi:10.1117/12.588388

31 March 2005 Numerical techniques for multimode interference couplers

Bobo Hu, Phillip Sewell, Ana Vukovic, Jun Jun Lim, Trevor Mark Benson

Proceedings Volume 5728, Integrated Optics: Devices, Materials, and Technologies IX; (2005) https://doi.org/10.1117/12.588388
Event: Integrated Optoelectronic Devices 2005, 2005, San Jose, California, United States

Abstract

Multimode interference (MMI) devices have been developed for a large number of optoelectronic applications. Frequency domain methods have been widely used to simulate the behavior of this class of device at fixed operating wavelengths. However time domain models are becoming more popular in photonic simulation as bandwidths increase and account needs to be taken of material properties such as nonlinearity. By making physically consistent approximations, the time-domain beam propagation method provides simulation without incurring the large memory and computational penalties of other time domain numerical methods. In this paper we will compare these various approaches in the context of simulating MMI devices, provide guidelines for the selection of one approach in preference to the other and discuss the limitations and errors introduced by some of the common approximations made.

Citation Download Citation

Bobo Hu, Phillip Sewell, Ana Vukovic, Jun Jun Lim, and Trevor Mark Benson "Numerical techniques for multimode interference couplers", Proc. SPIE 5728, Integrated Optics: Devices, Materials, and Technologies IX, (31 March 2005); https://doi.org/10.1117/12.588388

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