Waveguide Structure Design of Adiabatic Optical Directional Couplers Weighted by Sin-Square Function |
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| Journal | Key Engineering Materials (Volumes 364 - 366) |
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| Volume | Optics Design and Precision Manufacturing Technologies |
| Edited by | Guo Fan JIN, Wing Bun LEE, Chi Fai CHEUNG and Suet TO |
| Pages | 172-177 |
| DOI | 10.4028/www.scientific.net/KEM.364-366.172 |
| Citation | Chi Feng Chen et al., 2007, Key Engineering Materials, 364-366, 172 |
| Online since | December, 2007 |
| Authors | Chi Feng Chen, Yun Sheng Ku, Kuan Hsiung Chen |
| Keywords | Adiabatic Directional Coupler, Adiabatic Optical Directional Full Coupler, Coupling Waveguide Structure, Optical Directional Coupler |
| Abstract | This study discusses optimization of the adiabatic optical directional coupler (AODC) based on sin-square weighting functions (SSF) for waveguide structure. The objective of the work includes the define coupler of theory ranges, low crosstalk and short coupler length, respectively. When the crosstalk is demanded to be smaller than -35 dB, the coupler length for SSF is 2 b0 λ (minimum local beat length). Definitely SSF which is proposed can obtain a better result after the structural design. |
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