Waveguide structure design of adiabatic optical directional couplers weighted by sin-square function

Chi Feng Chen; Yun Sheng Ku; Kuan Hsiung Chen

Waveguide structure design of adiabatic optical directional couplers weighted by sin-square function

Chi Feng Chen, Yun Sheng Ku, Kuan Hsiung Chen

Department of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

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 λ_b0 (minimum local beat length). Definitely SSF which is proposed can obtain a better result after the structural design.

Original language	English
Pages (from-to)	172-177
Number of pages	6
Journal	Key Engineering Materials
Volume	364-366 I
State	Published - 2008

Keywords

Adiabatic directional coupler
Adiabatic optical directional full coupler
Coupling waveguide structure
Optical directional coupler

Cite this

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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 λb0 (minimum local beat length). Definitely SSF which is proposed can obtain a better result after the structural design.",

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AU - Ku, Yun Sheng

AU - Chen, Kuan Hsiung

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N2 - 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 λb0 (minimum local beat length). Definitely SSF which is proposed can obtain a better result after the structural design.

AB - 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 λb0 (minimum local beat length). Definitely SSF which is proposed can obtain a better result after the structural design.

KW - Adiabatic directional coupler

KW - Adiabatic optical directional full coupler

KW - Coupling waveguide structure

KW - Optical directional coupler

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M3 - 期刊論文

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VL - 364-366 I

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EP - 177

JO - Key Engineering Materials

JF - Key Engineering Materials

SN - 1013-9826

ER -

Waveguide structure design of adiabatic optical directional couplers weighted by sin-square function

Abstract

Keywords

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