The design of signal processing devices employing SOI MMI couplers

Laurence W. Cahill; Thanh T. Le

doi:10.1117/12.809020

17 February 2009 The design of signal processing devices employing SOI MMI couplers

Laurence W. Cahill, Thanh T. Le

Proceedings Volume 7220, Silicon Photonics IV; 722003 (2009) https://doi.org/10.1117/12.809020
Event: SPIE OPTO: Integrated Optoelectronic Devices, 2009, San Jose, California, United States

Abstract

There is currently considerable research interest in all-optical signal processing for telecommunication applications. In this paper it is shown that a range of all-optical signal processing functions may be carried out using passive waveguides and phase-shifting elements as basic building blocks. Two types of multimode interference (MMI) photonic circuits, based on silicon-on-insulator (SOI) technology, are discussed in detail. In the first type, phase-shifting elements are added to the ports of MMI couplers. In the second type, the waveguide structure of the MMI coupler itself is modified to achieve a range of signal processing functions. Designs are verified using 2D and 3D simulations.

Citation Download Citation

Laurence W. Cahill and Thanh T. Le "The design of signal processing devices employing SOI MMI couplers", Proc. SPIE 7220, Silicon Photonics IV, 722003 (17 February 2009); https://doi.org/10.1117/12.809020

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