Two-dimensional beam steering using a thermo-optic silicon photonic optical phased array

被引：23

作者：

Rabinovich, William S. ^{[1
]}

Goetz, Peter G. ^{[1
]}

Pruessner, Marcel W. ^{[1
]}

Mahon, Rita ^{[1
]}

Ferraro, Mike S. ^{[1
]}

Park, Doe ^{[1
]}

Fleet, Erin ^{[1
]}

DePrenger, Michael J. ^{[2
]}

机构：

[1] US Naval Res Lab, 4555 Overlook Ave, Washington, DC 20375 USA

[2] Tekla, Quant Ctr, 3700 Fettler Pk Dr,Suite 304, Dumfries, VA 22025 USA

来源：

OPTICAL ENGINEERING | 2016年 / 55卷 / 11期

关键词：

free-space optical communication; silicon photonics; optical phased array; nonmechanical beam steering; ON-INSULATOR; SYSTEMS;

D O I：

10.1117/1.OE.55.11.111603

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Many components for free-space optical (FSO) communication systems have shrunken in size over the last decade. However, the steering systems have remained large and power hungry. Nonmechanical beam steering offers a path to reducing the size of these systems. Optical phased arrays can allow integrated beam steering elements. One of the most important aspects of an optical phased array technology is its scalability to a large number of elements. Silicon photonics can potentially offer this scalability using CMOS foundry techniques. A phased array that can steer in two dimensions using the thermo-optic effect is demonstrated. No wavelength tuning of the input laser is needed and the design allows a simple control system with only two inputs. A benchtop FSO link with the phased array in both transmit and receive mode is demonstrated. (C) 2016 Society of Photo-Optical Instrumentation Engineers (SPIE).

引用

页数：7

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