Calculation of BER in multi-channel silicon optical interconnects:  comparative analysis of strip and photonic crystal waveguides

Jie You; Spyros Lavdas; Nicolae C. Panoiu

doi:10.1117/12.2223187

13 May 2016 Calculation of BER in multi-channel silicon optical interconnects: comparative analysis of strip and photonic crystal waveguides

Jie You, Spyros Lavdas, Nicolae C. Panoiu

Author Affiliations +

Proceedings Volume 9891, Silicon Photonics and Photonic Integrated Circuits V; 989116 (2016) https://doi.org/10.1117/12.2223187
Event: SPIE Photonics Europe, 2016, Brussels, Belgium

Abstract

We present an effective approach to evaluate the performance of multi-channel silicon (Si) photonic systems. The system is composed of strip Si photonic waveguides (Si-PhWs) with uniform cross-section or photonic-crystal (PhC) Si waveguides (Si-PhCWs), combined with a set of direct-detection receivers. Moreover, the optical field in each channel is the superposition of a continuous-wave nonreturn-to-zero ON-OFF keying modulated signal and a white Gaussian noise. In order to characterize the optical signal propagation in the waveguides, an accurate mathematical model describing all relevant linear and nonlinear optical effects and its linearized version is employed. In addition, two semi-analytical methods, time- and frequency-domain Karhunen-Loève series expansion, are used to assess the system bit-error-rate (BER). Our analysis reveals that Si-PhCWs provide similar performance as Si-PhWs, but for 100× shorter length. Importantly, much worse BER is achieved in Si-PhCWs when one operates in slow-light regime, due to the enhanced linear and nonlinear effects.

Conference Presentation

Citation Download Citation

Jie You, Spyros Lavdas, and Nicolae C. Panoiu "Calculation of BER in multi-channel silicon optical interconnects: comparative analysis of strip and photonic crystal waveguides", Proc. SPIE 9891, Silicon Photonics and Photonic Integrated Circuits V, 989116 (13 May 2016); https://doi.org/10.1117/12.2223187

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