Infrared and Laser Engineering, Volume. 50, Issue 10, 20210078(2021)
220 GHz sub-harmonic mixer integrated module
Figures & Tables(9)
Fig. 1. (a) 3D-modal of GaAs SBD in HFSS software; (b) 3D-modal of GaAs SBD in Silvaco TCAD and the net doping for the epitaxial layer
Fig. 2. Schottky contact C-V characteristic curve (a) and I-V characteristic curve (b) calculated based on Silvaco TCAD
Fig. 5. Single channel image of 220 GHz sub-harmonic mixer integrated module
Fig. 6. Measured results of SSB Con-Loss for mixer under (a)
Fig. 7. Temperature sensitivity testing system of 220 GHz receiver
Table 1. Performance comparison of terahertz mixers
View tableView in ArticleTable 1. Performance comparison of terahertz mixers
References Operating frequency/GHz Optimal SSB Con-Loss/dB [ 9 ]210-230 11.5 [ 10 ]380 12 [ 7 ], [11 ]170-192 7.9 [ 12 ]225-270 9.5 [ 13 ]230-270 8.6 This work 200-240 8.4
Table 2. Test results of 220 GHz terahertz receiver system
View tableView in ArticleTable 2. Test results of 220 GHz terahertz receiver system
TL/℃ VL/V TH/℃ VH/V δ/V NETD/K θ/mV·K-1 Y Tsys/K 22.8 3.738 55.2 3.808 0.002 8 1.352 2.14 1.018 4 1 450
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Haifan Hu, Xuming Ma, Zhe Ma, Zhibin Wang. 220 GHz sub-harmonic mixer integrated module[J]. Infrared and Laser Engineering, 2021, 50(10): 20210078
Paper Information
Category: Optical devices
Received: Jan. 20, 2021
Accepted: --
Published Online: Dec. 7, 2021
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