On-chip passive three-port circuit of all-optical ordered-route transmission.
On-chip passive three-port circuit of all-optical ordered-route transmission.
复制标题
全光有序路由传输的片上无源三端口电路
DOI：
10.1038/srep10190
复制
发表时间：
2015-05-13
影响因子：
4.6
通讯作者：
Zhang X
中科院分区：
文献类型：
--
作者：
Liu L;Dong J;Gao D;Zheng A;Zhang X
在全光通信网络中，具有不同特定功能的片上光路是非常重要的需求。特别是在集成电路中控制光信号传输方向的功能是一项基础性的研究。以前的方案，如片上光学环行器，主要是通过法拉第效应实现的，其遭受半导体和磁光材料之间的材料不兼容性。在纯硅光子学平台上实现光在特定方向上循环并具有满意性能的高功能电路仍然是困难的。本文首次提出并实验验证了一种基于硅热光效应的三端口无源器件，该器件支持光的有序路由传输。通过仅从一个端口注入强功率，光可以按严格的顺序（1→ 2，2 → 3，3 →1）通过三个端口，而以相反的顺序（1→ 3，3 → 2，2 →1）被阻挡。本文研究了其阻塞消光比和工作带宽。此外，该光子集成电路具有体积小、工艺经济、可扩展性强等优点，有望应用于光路优先级选择器等片上全光信息处理系统。
On-chip photonic circuits of different specific functions are highly desirable and becoming significant demands in all-optical communication network. Especially, the function to control the transmission directions of the optical signals in integrated circuits is a fundamental research. Previous schemes, such as on-chip optical circulators, are mostly realized by Faraday effect which suffers from material incompatibilities between semiconductors and magneto-optical materials. Achieving highly functional circuits in which light circulates in a particular direction with satisfied performances are still difficult in pure silicon photonics platform. Here, we propose and experimentally demonstrate a three-port passive device supporting optical ordered-route transmission based on silicon thermo-optic effect for the first time. By injecting strong power from only one port, the light could transmit through the three ports in a strict order (1→2, 2→3, 3→1) while be blocked in the opposite order (1→3, 3→2, 2→1). The blocking extinction ratios and operation bandwidths have been investigated in this paper. Moreover, with compact size, economic fabrication process and great extensibility, this proposed photonic integrated circuit is competitive to be applied in on-chip all-optical information processing systems, such as path priority selector.
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影响因子：
2.6
作者：
Madsen, CK;Lenz, G
通讯作者：
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通讯作者：
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