Cladding effects on silica directional couplers

Syahriar, Ary and Lubis, Ahmad Husin and Mujadin, Anwar and Jamal, Jusman Syafii and Pratama, Ahmad Juang (2019) Cladding effects on silica directional couplers. Telkomnika (Telecommunication Computing Electronics and Control), 17 (3). pp. 1142-1148. ISSN 1693-6930

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Directional couplers are widely used as passive and active optical devices in fibre and integrated optics, and form the basis of components such as switches, modulators and wavelength filters. They consist of two closely-spaced parallel waveguides, whose separation is sufficiently small that power may be transferred between the modes propagating in the two guides through an interaction involving their evanescent fields. In this paper results are presented for a range of near infrared single mode silica directional couplers fabricated by electron beam irradiation. The effects of over cladding layers will be highlighted. Changes on coupling coefficient due to different cladding refractive indexes will also be examined. The coupled mode theory will be employed to fit the experimental results with prediction by theory. It is found that over cladding layer alters the transmission characteristics of silica directional couplers.

Item Type: Article
Additional Information: TURNITIN's similarity index result was checked based on rules stated in "Pedoman Operasional Penilaian Angka Kredit Kenaikan Jabatan Akademik/Pangkat Dosen" ( pp. 23-25.
Uncontrolled Keywords: coupled mode theory; coupling coefficients; directional couplers; silica
Subjects: 600 Applied sciences & technology > 620 Engineering > 621 Applied Physics
Divisions: Universitas Al-Azhar Indonesia (UAI) > Fakultas Sains dan Teknologi (FST) > Teknik Elektro
Depositing User: Rifda Jilan
Date Deposited: 10 Apr 2023 10:30
Last Modified: 10 Apr 2023 10:31

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