Chinese Optics Letters, Volume. 15, Issue 4, 041301(2017)
Low-crosstalk silicon photonics arrayed waveguide grating
Figures & Tables(8)
Fig. 4. Optical microscope image of
Table 1. Design Parameters of a Single AWG
View tableView in ArticleTable 1. Design Parameters of a Single AWG
Silicon waveguide total height 220 nm Silicon rib waveguide height 120 nm Min. pitch of input/output waveguides 2.5 μm Min. pitch of arrayed waveguides 2.5 μm Width of arrayed waveguides 600 nm Channel spacing 6.4 nm Grating order 28 FPR 82.9 μm FSR 44.1 nm Number of arrayed waveguide 20 Min. radius of arrayed waveguides 30 μm Length difference of arrayed waveguides 13.95 μm Operation wavelength 1.55 μm
Table 2. Results of Single AWG and 1×4 Cascaded AWGs
View tableView in ArticleTable 2. Results of Single AWG and 1×4 Cascaded AWGs
Single AWG Cascaded AWG Insertion loss (including coupling loss of 3.6 dB) 5.6 dB 7.6 dB Loss non-uniformity 0.2 dB 0.4 dB Crosstalk 12.5 dB 33.2 dB 1st channel wavelength ( ) 1569.2 nm 1570.2 nm 2nd channel wavelength ( ) 1575.6 nm 1576.6 nm 3rd channel wavelength ( ) 1581.9 nm 1582.9 nm 4th channel wavelength ( ) 1588.2 nm 1589.3 nm Channel spacing FSR 44.5 nm 44.5 nm Average 3-dB bandwidth 3.0 nm 1.9 nm
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Zhiqun Zhang, Juan Hu, Hua Chen, Fangjiang Li, Lei Zhao, Jinbin Gui, Qing Fang. Low-crosstalk silicon photonics arrayed waveguide grating[J]. Chinese Optics Letters, 2017, 15(4): 041301
Paper Information
Category: Integrated Optics
Received: Nov. 30, 2016
Accepted: Jan. 13, 2017
Published Online: Jul. 25, 2018
The Author Email: Qing Fang (qingfang@kmust.edu.cn)
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