Formulasi Analitis Tetapan Propagasi Efektif Modus TE untuk Directional Coupler Linier Diturunkan dengan Metode Matrik Karakteristik Lapis Jamak

Ali Yunus Rohedi, Gatut Yudoyono, Suryadi Suryadi, Agus Rubiyanto

Abstract


Parameter terpenting untuk menentukan panjang kopling dan formula propagasi medan directional coupler adalah nilai tetapan propagasi efektif medan moda simetri dan moda asimetri. Pada makalah ini dilaporkan formulasi tetapan propagasi efektif dimaksud untuk cahaya modus TE (transverse electric) yang terpandu dalam directional coupler linier dalam bentuk analitis. Formulasi analitis diturunkan dengan menggunakan metode matrik karakteristik pandu gelombang berlapis jamak, dan berlaku untuk kedua moda simetri dan asimetri, baik untuk struktur directional coupler simetri maupun asimetri.

Keywords


directional coupler linier; perpindahan daya; transverse electric; moda terkopel; moda-moda normal; medan evanescent

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DOI: https://dx.doi.org/10.12962/j24604682.v1i2.1005

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