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Daud, Pamungkas
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Journal : Makara Journal of Science

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Sensitivity Enhancement of Silicon-on-Insulator Multipath Ring Resonator using Gold Nanodisk for Sensor Application Dicky, Gabriel; Taufiqurrahman, Shidqie; Estu, Topik Teguh; Wijayanto, Yusuf Nur; Manurung, Robeth Viktoria; Mahmudin, Dadin; Anshori, Isa; Daud, Pamungkas
Makara Journal of Science Vol. 24, No. 3
Publisher : UI Scholars Hub

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Abstract

Currently, environmental degradation caused by heavy metals has become a serious concern of many countries. To monitor the concentration of heavy metals in the environment, an in-situ sensor that can measure in real time and has high quality, sensitivity, and flexibility is essential. We proposed a modified multipath ring resonator (MPRR) based on silicon-on-insulator technology with additional gold nanodisk (GND) on top of the ring to increase its sensitivity. To prove the effect of GND on the sensitivity of the modified MPRR, finite-difference time-domain simulations were conducted. Results showed that the average sensitivity of the modified MPRR was 675 nm/RIU, where RIU corresponds to the refractive index unit, higher than that of the unmodified MPRR (171 nm/RIU). Moreover, compared with the single ring structure, the proposed design had better sensitivity. We believe that our proposed approach for the modification of MPRR is suitable for application to optical sensor development.
Co-Authors -, Shobih -, Sugihartono ., Taufiqqurrachman Adiprabowo, Tjahjo Ali, Erfansyah Andayani, Niluh Sri Andriana Andriana Dadin Mahmudin Dadin Mahmudin Dadin Mahmudin, Dadin Dani Ramdani Dani Ramdani, Dani Dicky, Gabriel Elmi Cahyaningsih Fathnan, A. A. Fiky Y. Suratman Ganjar Turesna Gita Ambar Dini Isa Anshori Mahmudin, D. Manurung, Robeth Viktoria Muhamad Ridwan Widyantara Nasrullah, Nanang Niluh Sri Andayani Olly Vertus Rahman, Sutisna Abdul Roy Chaidir Shobih - Simarmata, Melissa T. A. Slamet Widodo Slamet Widodo Sugihartono - Taufiqurrahman, Shidqie Topik Teguh Estu, Topik Teguh Uut Uswatun Hasanah Widyantara, Muhamad Ridwan Wijayanto, Y. N. Yusuf Nur Wijayanto Yusuf Nur Wijayanto Yusuf Nur Wijayanto, Yusuf Nur Zulkarnain Zulkarnain Zulkarnain Zulkarnain