Dr. Retno Wigajatri Purnamaningsih Profile

Dr. Retno Wigajatri Purnamaningsih

at Univ of Indonesia

SPIE Involvement:

Author

Publications (7)

Proceedings Article | 12 March 2021 Paper

Design of GaN-based optical switch for telecommunication links

Maratul Hamidah, Retno Wigajatri Purnamaningsih, M. Raditya Gumilar, N. R. Poespawati

Proceedings Volume 11789, 117890B (2021) https://doi.org/10.1117/12.2585576

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Proceedings Article | 11 April 2019 Paper

Multimode interference-Based 1 x 8 optical power splitter using GaN semiconductors

Dini Fithriaty Puspohadiningrum, Anita Ratnasari, Maratul Hamidah, Muhammad Raditya Gumelar, Nji Raden Poespawati, Retno Wigajatri Purnamaningsih

Proceedings Volume 11044, 110440P (2019) https://doi.org/10.1117/12.2503369

KEYWORDS: Multimode interference devices, Brain-machine interfaces, Gallium nitride, Waveguides, Refractive index, Semiconductors, Sapphire, Telecommunications, Wave propagation, Aluminum nitride, Structural design

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Proceedings Article | 11 April 2019 Paper

The effect of wavelength variation on Mach-Zehnder Interferometer structures using GaN semiconductors for telecommunication

Maratul Hamidah, Dini Fithriaty, M. Raditya Gumelar, Retno Wigajatri Purnamaningsih

Proceedings Volume 11044, 110440O (2019) https://doi.org/10.1117/12.2503366

KEYWORDS: Waveguides, Wave propagation, Gallium nitride, Mach-Zehnder interferometers, Directional couplers, Semiconductors, Sapphire, Telecommunications, Photonic devices, Structural design

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Proceedings Article | 11 April 2019 Paper

III nitride based waveguide parameters optimisation of 1 × 2 optical power divider for telecommunication links.

Retno Wigajatri Purnamaningsih, Maratul Hamidah, Dini Fithriaty, M. Raditya Gumelar

Proceedings Volume 11044, 110440U (2019) https://doi.org/10.1117/12.2504903

KEYWORDS: Waveguides, Wave propagation, Telecommunications, Gallium nitride, Semiconductors, Optical communications, Photonic devices, Sapphire, Light sources, Photodetectors

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Proceedings Article | 9 January 2015 Paper

Optical response characteristics of strained uniform fiber Bragg grating using laser diode

Andi Setiono, Bambang Widiyatmoko, Retno Wigajatri Purnamaningsih

Proceedings Volume 9444, 94440T (2015) https://doi.org/10.1117/12.2076884

KEYWORDS: Fiber Bragg gratings, Sensors, Semiconductor lasers, Light sources, Tunable lasers, Optical testing, Fiber couplers, Spectrum analysis, Laser optics, Optical fibers

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Proceedings Article | 9 January 2015 Paper

Design of GaN-based S-bend Y-branch power splitter with MMI structure

Arviza Azhar, Retno Purnamaningsih

Proceedings Volume 9444, 944411 (2015) https://doi.org/10.1117/12.2076338

KEYWORDS: Waveguides, Brain-machine interfaces, Gallium nitride, Beam propagation method, Telecommunications, Sapphire, Aluminum nitride, Structural design, Electrooptic modulators, Optical communications

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Proceedings Article | 9 January 2015 Paper

Design of low cost smart infusion device

Yohanes David Saputra, Retno Wigajatri Purnamaningsih

Proceedings Volume 9444, 94440E (2015) https://doi.org/10.1117/12.2077076

KEYWORDS: Photodiodes, Light emitting diodes, Microcontrollers, Control systems, Human-machine interfaces, Measurement devices, Absorption, Veins, Voltage controlled current source, Hardware testing

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Showing 5 of 7 publications

Conference Committee Involvement (1)

Third International Seminar on Photonics, Optics, and Its Applications (ISPhOA 2018)

3 August 2018 | Surabaya, Indonesia

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