Low power consumption 4-channel variable optical attenuator array based on planar lightwave circuit technique

doi:10.1088/1674-1056/26/7/074221

Abstract

The power consumption of a variable optical attenuator (VOA) array based on a silica planar lightwave circuit was investigated. The thermal field profile of the device was optimized using the finite-element analysis. The simulation results showed that the power consumption reduces as the depth of the heat-insulating grooves is deeper, the up-cladding is thinner, the down-cladding is thicker, and the width of the cladding ridge is narrower. The materials component and thickness of the electrodes were also optimized to guarantee the driving voltage under 5 V. The power consumption was successfully reduced to as low as 155 mW at an attenuation of 30 dB in the experiment.

Keywords: variable optical attenuator planar lightwave circuit low power consumption thermal simulation

Received: 01 March 2017
Revised: 28 March 2017
Accepted manuscript online:

PACS:	42.82.Et	(Waveguides, couplers, and arrays)
	42.30.Lr	(Modulation and optical transfer functions)
	42.82.Bq	(Design and performance testing of integrated-optical systems)

Fund:

Project supported by the National High Technology Research and Development Program of China (Grant No.2015AA016902) and the National Nature Science Foundation of China (Grant Nos.61435013,61405188,and 61627820).

Corresponding Authors: Jia-Shun Zhang
E-mail: zhangjiashun@semi.ac.cn

Cite this article:

Mei-Zhen Ren(任梅珍), Jia-Shun Zhang(张家顺), Jun-Ming An(安俊明), Yue Wang(王玥), Liang-Liang Wang(王亮亮), Jian-Guang Li(李建光), Yuan-Da Wu(吴远大), XiaoJie Yin(尹小杰), Xiong-Wei Hu(胡雄伟) Low power consumption 4-channel variable optical attenuator array based on planar lightwave circuit technique 2017 Chin. Phys. B 26 074221

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