3x10 Gb/s silicon three-mode switch with 120° hybrid based unbalanced Mach-Zehnder interferometer

被引：27

作者：

Priti, Rubana Bahar ^{[1
]}

Zhang, Guowu ^{[1
]}

Liboiron-Ladouceur, Odile ^{[1
]}

机构：

[1] McGill Univ, Dept Elect & Comp Engn, 3480 Univ St, Montreal, PQ H3A 0E9, Canada

来源：

OPTICS EXPRESS | 2019年 / 27卷 / 10期

关键词：

ON-CHIP; MULTIMODE INTERFERENCE; OPTICAL SWITCH; DEVICES; DESIGN; SPACE;

D O I：

10.1364/OE.27.014199

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We propose and experimentally demonstrate a reconfigurable mode division multiplexing (MDM) silicon photonics three-mode switch (3MS) in C-hand using a 120 degrees optical hybrid based unbalanced Mach-Zehnder interferometer (UMZI) and Ti/W metal heater phase shifter. The novel 3MS enables reconligurable switching of the first three transverse electric (TE) modes by exploiting the relative phase difference of the 120 degrees hybrid. A proof-of-concept realization of this 3MS demonstrates <12.0 mu s switching time and >12.3 dB switching, extinction ratio at 1560 nm wavelength with 94.8 mW average heater power consumption. Simultaneous (de)multiplexing and switching of 10 Gb/s non-return-to-zero (NRZ) PRBS31 optical payload over three spatial channels experimentally demonstrates 3x10 Gb/s aggregated bandwidth. Open eye diagrams in all output channels with >9.6 electrical signal-to-noise ratio (SNR) exhibits reliable data transmission. The 3MS has potential applications in MDM silicon photonics interconnects for the implementation of high throughput switch matrix. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

引用

页码：14199 / 14212

页数：14

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