Optical beam steering by using tunable, narrow-linewidth butt-coupled hybrid lasers in a silicon nitride photonics platform

被引：24

作者：

Zhu, Yeyu ^{[1
]}

Zeng, Siwei ^{[1
]}

Zhu, Lin ^{[1
]}

机构：

[1] Clemson Univ, Dept Elect & Comp Engn, Ctr Opt Mat Sci & Engn Technol, Clemson, SC 29634 USA

来源：

PHOTONICS RESEARCH | 2020年 / 8卷 / 03期

基金：

美国国家科学基金会;

关键词：

PHASED-ARRAY; WAVELENGTH;

D O I：

10.1364/PRJ.382852

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Chip-scale, tunable narrow-linewidth hybrid integrated diode lasers based on quantum-dot RSOAs at 1.3 mu m are demonstrated through butt-coupling to a silicon nitride photonic integrated circuit. The hybrid laser linewidth is around 85 kHz, and the tuning range is around 47 nm. Then, a fully integrated beam steerer is demonstrated by combining the tunable diode laser with a waveguide surface grating. Our system can provide beam steering of 4.1 degrees in one direction by tuning the wavelength of the hybrid laser. Besides, a wavelength-tunable triple-band hybrid laser system working at similar to 1, similar to 1.3, and similar to 1.55 mu m bands is demonstrated for wide-angle beam steering in a single chip. (C) 2020 Chinese Laser Press

引用

页码：375 / 380

页数：6

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