Mr. Guijin Wang Profile

Guijin Wang

at Tsinghua Univ

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SPIE Journal Paper | 26 May 2016

Universal method for crosstalk noise and transmission loss analysis for N-port nonblocking optical router for photonic networks-on-chip

Yiyuan Xie, Zhendong Zhang, Tingting Song, Chao He, Jiachao Li, Guijin Wang

OE, Vol. 55, Issue 05, 056110, (May 2016) https://doi.org/10.1117/12.10.1117/1.OE.55.5.056110

KEYWORDS: Signal attenuation, Signal to noise ratio, Waveguides, Optical components, Interference (communication), Switching, Optical engineering, Signal processing, Lanthanum, Network on a chip

Read Abstract +

Crosstalk noise and transmission loss are two key elements in determining the performance of optical routers. We propose a universal method for crosstalk noise and transmission loss analysis for the N-port nonblocking optical router used in photonic networks-on-chip. Utilizing this method, we study the crosstalk noise and transmission loss for the five-, six-, seven-, and eight-port optical routers. We ascertain that the crosstalk noise and transmission loss are different for different input–output pairs. For the five-port optical router, the maximum crosstalk noise ranges from 0 to −7.07 dBm, and the transmission loss ranges from −9.05 to −0.51 dB. Furthermore, based on the crosstalk noise and transmission loss, we analyze optical signal-to-noise ratio (OSNR) and bit error ratio (BER) for the five-, six-, seven-, and eight-port nonblocking optical routers. As the number of ports increases, the minimum average OSNR decreases and the average BER increases. In addition, in order to present the performance of the routers more visually, a fiber-optic communications system is designed to simulate the transmission processes of the signals of the different paths of the routers in Optisystem. The results show that the power amplitude of the input signal is obviously higher than the corresponding output signal. With this method, we can easily evaluate the transmission loss, crosstalk noise, OSNR, and BER of high-radix nonblocking optical routers and conveniently study the performance of the N-port optical router.

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