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All Journal JURNAL SISTEM INFORMASI BISNIS POSITRON Jurnal Keteknikan Pertanian Komunikasi Fisika Indonesia TELKOMNIKA (Telecommunication Computing Electronics and Control) Bulletin of Electrical Engineering and Informatics JURNAL FISIKA Indonesian Journal of Electrical Engineering and Informatics (IJEEI) Jurnal Online Mahasiswa (JOM) Bidang Matematika dan Ilmu Pengetahuan Alam Sinergi Journal of Aceh Physics Society Proceeding of the Electrical Engineering Computer Science and Informatics JURNAL MEDIA INFORMATIKA BUDIDARMA IT JOURNAL RESEARCH AND DEVELOPMENT Indonesian Journal of Electrical Engineering and Computer Science Unri Conference Series: Community Engagement Indonesian Journal of Physics (IJP) Kanun: Jurnal Ilmu Hukum Science, Technology, and Communication Journal Journal of The Physical Society of Indonesia
Saktioto Saktioto
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Agriculture, Biological Sciences & Forestry Humanities Astronomy Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Physics

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Journal : telkomnika telecommunication computing electronics and control

 1 
Raman amplifier performance in pre-amplifier use for optical fiber communication systems T. Saktioto; S. P. Dewi; R. F. Syahputra; Okfalisa Okfalisa; Syamsudhuha Syamsudhuha
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 17, No 5: October 2019
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v17i5.12594

Abstract

The development of telecommunications networks is currently dominated by fiber optics. The fiber optic has become a waveguide medium transmitting information with high frequency bands, high capacity and high speed. An optical amplifier is required to maintain electromagnetic signals when they propagate in far distance. One of the amplifiers, Fiber Raman Amplifiers (FRA) which is the light scattering from the light that comes with the phonon in the lattice of amplification medium produces photons that are coherent with the incoming photons. Many amplifiers are commonly used but the problems not only come from the amplifier but also the component circuit and system.  By simulation method, FRA circuit is designed and operated in the form of pre-amplifiers to maintain a better signal from material interference and geometry. The simulation results show that the lowest BER value and the highest Q-factor are found at a distance of 10km depicted by eye diagram.
Simplified Linear Configuration Model of 3X3 Single Mode Fiber Coupler using Matrix Transfer Saktioto Saktioto; Dedi Irawan; Defrianto Defrianto
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 13, No 3: September 2015
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v13i3.2094

Abstract

Experimental design and operation of a directional fiber coupler having identical-output ratio is successfully fabricated.  The coupling region is imposed by fusion temperature 800-1350 0C injecting the Hydrogen gas at 1Atm. Concurrently the coupled-mode theory is used to model power transfer between the waveguides by using transfer matrix method. By 1mW source input power to one of three input ports, it shows that power propagation among three coupled fibers is normalized; the optical fiber are nearly identical and a similar separation between them. The matrix configuration of  3X3 is also used to calculate the polarization effect of directional fiber coupler. It is found that the incident power polarized with various angle causes power output at both three output ports decrease exponentially. This 3X3 directional fiber coupler design is a significant passive component for various functions power splitter and routers.
Integrated Analytical Hierarchy Process and Objective Matrix in Balanced Scorecard Dashboard Model for Performance Measurement Okfalisa Okfalisa; Septia Anugrah; Wresni Anggraini; Muhammad Absor; S.S.M. Fauzi; Saktioto Saktioto
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 16, No 6: December 2018
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v16i6.9648

Abstract

Measuring organizational performance is pivotal for a comprehensive understanding of strengths, weaknesses and to improve the quality of any organization’s performance. Balanced Scorecard (BSC) is the strategic evolution tool that is widely used to measure the organizational performances, and achievements from various aspects, both financial and non-financial. In this research, BSC was not only a straight jacket concept but also a high potential tool for measuring and managing tangible and accurate data through the application of several methods. This research weighted the variables of BSC based on significance values of Analytical Hierarchy Process (AHP) and Optimization of Measurement with Objective Matrix (OMAX). Moreover, a recommendation analysis was given based on the cause and effect analysis of variables and the achievement of Key Performance Indicators (KPIs). The flow of information, data, and performance measurement processes were designed into Business Intelligence (BI) software development i.e. BI-MonevDash. The framework and software BI-MonevDash proposed can be used as a new chosen tool for measuring and monitoring organizational performance. Recommendations could facilitate the leaders in decision making to improve the organizational performance and reduce risks.
Transmission spectra of single ring coupled-waveguide resonator configuration by finite difference time domain method Haryana bin Mohd Hairi; Saktioto Saktioto; Romi Fadli Syahputra; Okfalisa Okfalisa; Sofia Anita
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 18, No 5: October 2020
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v18i5.12621

Abstract

Development of optical waveguide resonators have greatly expanded and continues to grow since they have kinds potential applications such as wavelength filtering, switching, coupling and multiplexing. One of resonators, coupled waveguides, ring resonators are designed and operated using various coupling configurations. Ring resonators can be particularly used as wavelength filter if the wavelength can fit a whole multiple time in the circumference of the ring. This article proposes to investigate the transmission spectra from the power source and amplify it in linearized ring resonator configurations and varies the input amplitude on five different wavelengths. With finite difference time domain method, the geometry and power source are simulated to obtain the better result and configuration. The results show the intensity phenomena of filtering in optical circuit.
Apodization sensor performance for TOPAS fiber Bragg grating Toto Saktioto; Khaikal Ramadhan; Yan Soerbakti; Romi Fadli Syahputra; Dedi Irawan; Okfalisa Okfalisa
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 19, No 6: December 2021
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v19i6.21669

Abstract

Optical sensors have more capabilities than electronic sensors, and therefore provide extraordinary developments, including high sensitivity, non-susceptibility to electromagnetic wave disturbances, small size, and multiplexing. Furthermore, fiber Bragg grating (FBG) is an optical sensor with a periodically changing grating refractive index, susceptible to strain and temperature changes. As a sensor, FBG’s performance required to optimize and improve the numerical apodization function and affect the effective refractive index is considered. The grating fiber’s apodization function can narrow the full width half maximum (FWHM) and reduce the optical signal’s side lobes. In all the apodization functions operated by FBG, Blackman has the highest sensitivity of 15.37143 pm/°C, followed by Hamming and Gaussian, with 13.71429 pm/°C and 13.70857 pm/°C, respectively, and Uniform grating fiber with the lowest sensitivity of 12.40571 pm/°C. Hamming, Uniform, and Blackman discovered the sensitivity for a strain to be 1.17, 1.16, and 1.167 pm/microstrain, respectively. The results obtained indicated that apodization could increase FBG’s sensitivity to temperature and strain sensors. For instance, in terms of other parameters, FWHM width, Hamming had the narrowest value of 0.6 nm, followed by Blackman with 0.612 nm, while Uniform had the widest FWHM of 1.9546 nm.
Profile of Single Mode Fiber Coupler Combining with Bragg Grating Romi Fadli Syahputra; Saktioto Saktioto; Ros Meri; Syamsudhuha Syamsudhuha; Okfalisa Okfalisa
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 15, No 3: September 2017
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v15i3.6383

Abstract

This paper describes a numerical experiment of design and operation of a fiber coupler between single mode fiber and fiber Bragg grating (FBG). Both components are coupled depending with optical waveguide and source parameters. A characterization of fiber coupler is simulated by varying long grating of 10 mm to 60 mm using transfer matrix method based on coupled mode equation. The wave peak, transmission, and dispersion parameters are analyzed to determine the performance of the fiber coupler. The transmission spectrum showed the wave peaks rise to any increase in the grating length on channel 1 and channel 2. Transmission on channel 1 and channel 2 decreased from the wavelength range of 1.45μm–1.55μm and rised in the range of 1,55μm–1,65μm for each increment in length of grating. The dispersion showed the zero dispersion at specific wavelength for each increase in length of grating. This component can be applied for controlling information signal in wide range communication.
Thermodynamic Performance and Wave Propagation Sensor System of Fiber Bragg Grating in Liquid Media Romi F. Syahputra; Ridho Kurniawan; Yunita I. Lubis; Mesra Sania; Okfalisa Okfalisa; Saktioto Saktioto
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 16, No 6: December 2018
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v16i6.9563

Abstract

Although the measurement of liquids temperature is commonly used by Fiber Bragg Grating (FBG) sensor but its thermodynamic performance has interesting phenomena. This paper proposes the measurement and simulation of liquids temperature using FBG. Laser diode was launched into human blood, water, and vegetable oil, then transmitted power is measured by optical powermeter to determine its corresponding temperature. The results showed that the increasing temperature changes led to the widening of the wave shift. The largest change of wavelength is water temperature and the smallest One is vegetable oil temperature. Increase in liquid temperature causes the output power is greater. FBG simulation of sine and square function are also designed for temperature range of 30°C to 41°C with matrix transfer method based on coupled mode theory. Peak value of transmission spectrum of each function is shown by the change of temperature which indicates the sensor is sensitive to sine and square function variations. The peak at temperature of 30°C for each sine and square are -78.32 dB and -102.66 dB and increased to 41°C at 46.72 dB and -79.89 dB, respectively.
Airflow vibration of diaphragmatic breathing: model and demonstration using optical biosensor Toto Saktioto; Defrianto Defrianto; Nurfi Hikma; Yan Soerbakti; Syamsudhuha Syamsudhuha; Dedi Irawan; Okfalisa Okfalisa; Bambang Widiyatmoko; Dwi Hanto
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 21, No 3: June 2023
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v21i3.23613

Abstract

Optical fiber is increasingly popular and appreciated as a modern sensor technology in various sectors, one of which is for medical functions. This study was conducted to detect human diaphragmatic breathing flow using theoretical and experimental approaches. Initially, the lung model was formed using the finite element method and the Navier-Stokes equation by applying the principles of momentum and continuity. Furthermore, fiber Bragg grating (FBG) and single mode fiber (SMF) were experimentally designed with sinusoidal patterned macro-scale bending as a stretch sensor in a breathing belt applied to the diaphragm. The simulation model shows the airflow velocity increases up to 4 m/s when it flows into smaller branches. While the experimental results show that the largest power loss occurs at a buffer diameter of 0.8 cm. The power loss detected in SMF is a maximum of -0.18 dBm during inhalation and a minimum of -0.28 dBm during expiration. However, FBG bending is superior with high sensitivity.
An optimum design of high sensitivity PMMA-coated FBG sensor for temperature measurement Dedi Irawan; Khaikal Ramadhan; Toto Saktioto; Azwir Marwin
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 21, No 2: April 2023
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v21i2.22746

Abstract

Fiber Bragg grating (FBG) with silica material has limitations in measuring mechanical quantities such as strain and temperature, this happens because silica fibers are easy to break at higher transverse or axial strains. This deficiency can be overcome in several ways, one of which is by coating the silica FBG with a coating material made of metal or polymer. In this research, the FBG sensor has been designed by poly methyl methacrylate (PMMA)-coated FBG and silica. The finite element method (FEM) is used to analyze the electric field distribution on the surface of PMMA coated FBG with a coating thickness of 20 µm. Furthermore, the sensitivity of each coated FBG as a temperature sensor was measured in the range of 25 ℃ to 85 ℃ using coupled mode theory (CMT). From the design and analysis of coated FBG, it was found that FBG coated with PMMA material had the highest sensitivity of 395.73pm/℃. However, the FBG sensor coated with silica material has a sensitivity of 13.73 pm/℃. the shift obtained is also linear along with the temperature of 25 ℃ to 85 ℃.
Optimizing signal conversion in uniform FBGs with InGaAs photodetectors for medical sensors Tengku Emrinaldi; Bambang Widiyatmoko; Bunga Meyzia; Sumiaty Ambran; Saktioto Saktioto; Mohamad Syahadi; Agitta Rianaris; Dwi Hanto
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 23, No 4: August 2025
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v23i4.26164

Abstract

This study experimentally interrogates the spectral response of uniform fiber Bragg gratings (FBGs) with varying reflectivity levels of 30%, 50%, 70%, and 90% under controlled environmental stimuli. The objective is to elucidate the influence of reflectivity on the wavelength shift behavior of FBGs and to inform the optimal interrogation of these elements with indium gallium arsenide (InGaAs) photodetectors in high-performance sensing systems. Utilizing high-precision measurement procedures and specialized instrumentation, the experiments revealed that the magnitude and pattern of wavelength shifts are significantly influenced by FBG reflectivity. Specifically, lower reflectivity enhances sensitivity, while higher reflectivity contributes to greater spectral stability. These findings highlight the critical role of reflectivity in shaping the spectral modulation characteristics of FBGs, establishing a critical theoretical framework for precision optical sensor systems. The outcomes give significant contributions to the design and calibration of FBG-based sensors, particularly biomedical applications where precision and responsiveness are paramount.
Co-Authors ', Hotmariani Abdillah, Rahmad Abdul Sadad Agitta Rianaris Agrina Aisah, Nurul Andika Thoibah Andika Thoibah Andri Saputra Anggraini, Wresni Anggraini, Wresni Anita, Sofia Asyana, Vepy Awitdrus Awitdrus, Awitdrus Azhar Azhar Azhar Azhar Azwir Marwin B. Pranggono Bambang Widiyatmoko Bambang Widiyatmoko Bambang Widiyatmoko Bambang Widiyatmoko Bambang Widiyatmoko Basdyo, Doni Bintang, Shantela Hanna Mastaria Budi Astuti Bunga Meyzia Dadang Syarif Sihabudin Sahid Dedi Irawan dedi irawan Dedi Irawan Dedi Irawan Dedi Irawan Defrianto Defrianto Delovita Ginting, Delovita Deprianto Deprianto Dewi Indriyani Roslim Dewi Mulfida Dian Putri Oktavia, Dian Putri Didik Puji Sutriyono Dilham Wahyudi Dina Veranita Dino Yanuardi Doni Basdyo Dwi Hanto Dwi Hanto Dwi Hanto Dwi Hanto Dwi Hanto Dwi Utari Iswavigra Dwi Utari Iswavigra Eka Armas Pailis Elin Haerani Haerani Elisa Saadah Elvia Budianita Erin Mazelly Hutapea Erman Taer Erwin Amiruddin Fadhali, Mohammed Fairuz Diyana Ismail Faisal Saeed Febi Dwi Fadilla Febri Yuliani Feri Candra Fiqra Wardana Fitmawati Fitmawati Fitri Insani Gita Rahayu H.M. Hairi Haerani, Elin Haerani Hairi, Haryana Mohd Haryana bin Mohd Hairi Haryana Hairi Haryana Hairi Heru Santoso Husna, Ropiqotul Idjang Tjarsono Ihsan Okta Harmailil Ikhsan Rahman Husein Insani, Fitri Irvan Rahmat Iswavigra, Dwi Utari Iwantono Iwan Barnawi J. Ali Jalil Ali Juandi Juandi Khaikal Ramadhan Khaikal Ramadhan Khaikal Ramadhan Liva Delvi Lola Oktavia M.S. Roslana Mahyarni - Mesra Sania Minarni Minarni Moh Danil Hendry Gamal Mohamad Syahadi Mohammad Fisal Rabin Mohammed Fisal Rabin Muhammad Absor Muhammad Edisar Muhammad Hamdi Muhammad Sahal Mulfida, Dewi Murniati Murniati Musa Irfan Nandita Devira Nelda Ipkawati Neneng Fitrya Nisa Arpyanti Nurfi Hikma Okfalisa Okfalisa Okfalisa Okfalisa Okfalisa Okfalisa Okfalisa Okfalisa Okfalisa Okfalisa Okfalisa Okfalisa Okfalisa Okfalisa Okfalisa Okfalisa Okfalisa Okfalisa Okfalisa Okfalisa Okfalisa Okfalisa Okfalisa Okfalisa Okfalisa Okfalisa Okfalisa, Okfalisa Okfalisa, Okfalisa Pizaini Pizaini Pranggono, B. Rabin, Mohammed Fisal Rahma Dewi Rahmad Abdillah Rahmondia Nanda Setiadi Rakhmawati Farma Reeky Fardinata Riad Syech Riad Syech Ridho Kurniawan Rina Amelia Rina Amelia Rini, Ari Sulistyo Risanto, Joko Roby Ikhsan Romi Fadli Syahputra Roni Salambue Ros Meri Ros Meri Rosnita Rosnita Rusnedy, Hidayati S. P. Dewi S.S.M. Fauzi S.S.M. Fauzi Samudra, Mohd Rendy Septi Pramuliawati Septia Anugrah Septian Nugraha Siti Nurul Alifah Soerbakti, Yan Sofia Anita Sugianto ' Suhaivi Hamdan Suhaivi Hamdan Suhardi Suhardi Sumiaty Ambran Sutoyo Sutoyo Syahril Syahril Syamsudhuha Syamsudhuha Taofeeq D Moshood Tengku Emrinaldi Teodora Maria Meliati Sinaga Theresa Febrina Siahaan Titis Oktiva Sari Velia Veriyanti Vepy Asyana Vicky Vernando Dasta Wahyu Candra Wresni Anggraini Wresni Anggraini Wresni Anggraini Wresni Anggraini Yan Soerbakti Yan Soerbakti Yan Soerbakti Yan Soerbakti Yana, Debi Yolanda Rati Yoli Zairmi Yunita I. Lubis Yupapin, Preecha Yurike Asra Zahidah Zulkifli Zahroh, Siti Zairmi, Yoli Zamri Zamri Zamri, Zamri Zulfa Zulfa