Broadband Silicon Arbitrary Ratio Power Splitters based on Directional Couplers with Subwavelength Structure

2020 ◽  
Author(s):  
Shi Zhao ◽  
Yaocheng Shi
Keyword(s):  
Subwavelength Structure ◽  
Directional Couplers ◽  
Power Splitters ◽  
Arbitrary Ratio

Design of Compact Arbitrary-Ratio Multimode Power Splitters Based on Topological Derivative

2020 ◽  
Vol 32 (18) ◽  
pp. 1187-1190
Author(s):  
Julian L. Pita Ruiz ◽  
Ivan Aldaya ◽  
Paulo Dainese ◽  
Lucas H. Gabrielli
Keyword(s):  
Topological Derivative ◽  
Power Splitters ◽  
Arbitrary Ratio

Design and performance of multi-channel switched sequential amplifiers

2009 ◽  
Vol 1 (4) ◽  
pp. 269-275 ◽  
Author(s):  
Thomas Lehmann ◽  
Reinhard Knoechel
Keyword(s):  
Density Distribution ◽  
Probability Density ◽  
Design Parameters ◽  
Probability Density Distribution ◽  
Efficiency Enhancement ◽  
Directional Couplers ◽  
Power Splitters ◽  
Signal Distortions ◽  
And Performance ◽  
Potential Efficiency

This paper presents switched sequential amplifiers (SSAs) using reconfigurable directional couplers as power splitters and combiners. The SSA concept allows matching the efficiency characteristics to the amplitude probability density distribution of the applied modulated signal. Therefore the back-off efficiency can be increased significantly. A three-channel SSA can e.g. theoretically achieve a −10 dB back-off efficiency exceeding 50%. Design parameters and potential efficiency enhancement are discussed for two- and three-channel SSAs. After a brief introduction of the used switched couplers, the circuit concept for two- and three-channel SSAs is described. Calculations for the possible efficiency enhancement are presented. Also signal distortions by the directional couplers are outlined. The paper closes with experimental results for a two-channel SSA.

Arbitrary ratio power splitters using angled silica on silicon multimode interference couplers

1996 ◽  
Vol 32 (17) ◽  
pp. 1576 ◽  
Author(s):  
Q. Lai ◽  
M. Bachmann ◽  
W. Hunziker ◽  
P.A. Besse ◽  
H. Melchior
Keyword(s):  
Multimode Interference ◽  
Power Splitters ◽  
Arbitrary Ratio ◽  
Multimode Interference Couplers

scholarly journals Robust silicon arbitrary ratio power splitters using shortcuts to adiabaticity

2020 ◽  
Vol 28 (7) ◽  
pp. 10350
Author(s):  
Hung-Ching Chung ◽  
Tai-Chun Wang ◽  
Yung-Jr Hung ◽  
Shuo-Yen Tseng
Keyword(s):  
Shortcuts To Adiabaticity ◽  
Power Splitters ◽  
Arbitrary Ratio

Arbitrary-Ratio Power Splitters Using Area Modulation Multimode Interference Couplers

2005 ◽  
Vol 22 (10) ◽  
pp. 2595-2597
Author(s):  
Sun Yi-Ling ◽  
Jiang Xiao-Qing ◽  
Yang Jian-Yi ◽  
Wang Ming-Hua
Keyword(s):  
Multimode Interference ◽  
Power Splitters ◽  
Arbitrary Ratio ◽  
Multimode Interference Couplers
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