Performance of Free-space Optical Communication Systems using Optical Amplifiers under Amplify-forward and Amplify-received Configurations

Authors

Ucuk Darusalam, Informatics Engineering, Faculty of Information and Communications Technology, Universitas Nasional, Jakarta 12520, IndonesiaFollow
Arockia Bazil Raj, Department of Electronics Engineering, Defence Institute of Advanced Technology, Pune 411025, India
Fitri Yuli Zulkifli, Department of Electrical Engineering, Faculty of Engineering, Universitas Indonesia, Depok 16424, Indonesia
Purnomo Sidi Priambodo, Department of Electrical Engineering, Faculty of Engineering, Universitas Indonesia, Depok 16424, Indonesia
Eko Tjipto Rahardjo, Department of Electrical Engineering, Faculty of Engineering, Universitas Indonesia, Depok 16424, Indonesia

Abstract

With the growth of digital technology in the stage of industrial revolution 4.0, the demand for broadcasting large amounts of information to last mile users has increased. Free-space optical (FSO) communication is one of the telecommunication platforms that has shown immense potential in meeting the demand for information broadcasting. In this work, the performance of FSO communication based on wavelength division multiplexing with a data rate of 80 Gbps is investigated through simulations. The configuration of optical amplifiers in the FSO system is set up on the basis of the amplify-forward and amplify-received configurations to expand the network. The investigation is aimed at identifying the best optical signal amplification between an erbium-doped fiber amplifier (EDFA) and a semiconductor optical amplifier (SOA) under an atmospheric channel. Simulation results show that the EDFA performs better than the SOA in terms of the optical signal amplification for eight channels of the C band. The maximum optical propagation path length under the atmospheric channel for the amplify-forward and -received schemes using the EDFA is 1.7 km, with the bit error rate achieved at 10−6.

Bahasa Abstract

Kinerja Sistem Komunikasi Optik Ruang Bebas dengan Menggunakan Penguat Optik pada Konfigurasi Penguatan Maju dan Penguatan yang Diterima. Dengan pertumbuhan teknologi di dalam tahapan revolusi industri 4.0, permintaan untuk menyiarkan sejumlah besar informasi ke para pengguna last mile terus meningkat. Komunikasi optik ruang bebas (Free-space optical (FSO)) merupakan salah satu dari platform telekomunikasi yang telah menunjukkan potensi yang sangat besar dalam memenuhi permintaan akan penyiaran informasi tersebut. Di dalam kajian ini, kinerja komunikasi FSO yang berbasis pada multipleksi pembagian panjang gelombang dengan suatu laju data sebesar 80 Gbps diteliti melalui simulasi. Konfigurasi penguat optik di dalam sistem FSO ditetapkan berdasarkan pada konfigurasi-konfigurasi penguatan-maju dan penguatan-yang diterima untuk mengekspansikan jaringan. Penelitian ditujukan untuk mengidentifikasi penguatan sinyal optik terbaik antara suatu penguat serat yang didoping erbium (erbium-doped fiber amplifier (EDFA)) dan suatu penguat optik semikonduktor (semiconductor optical amplifier (SOA)) pada suatu saluran atmosferik. Hasil-hasil simulasi menunjukkan bahwa EDFA memiliki kinerja yang lebih baik dibandingkan dengab SOA dalam hal penguatan sinyal optik untuk delapan saluran pita C. Panjang lintasan penyebaran optik maksimum pada saluran atmosferik untuk skema-skema penguatan-maju dan penguatan-yang diterima dengan menggunakan EDFA adalah 1,7 km, dengan tingkat kesalahan bit mencapai 10−6.

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Recommended Citation

Darusalam, Ucuk; Raj, Arockia Bazil; Zulkifli, Fitri Yuli; Priambodo, Purnomo Sidi; and Rahardjo, Eko Tjipto (2020) "Performance of Free-space Optical Communication Systems using Optical Amplifiers under Amplify-forward and Amplify-received Configurations," Makara Journal of Technology: Vol. 24: Iss. 3, Article 4.
DOI: 10.7454/mst.v24i3.3648
Available at: https://scholarhub.ui.ac.id/mjt/vol24/iss3/4