All-fiber fast acousto-optic temporal control of tunable optical pulses

Ricardo Ezequiel da Silva; Egor Manuylovich; Namita Sahoo; Marcos A. R. Franco; Hartmut Bartelt; David Webb

doi:10.48780/publications.aston.ac.uk.00046263

All-fiber fast acousto-optic temporal control of tunable optical pulses

Ricardo Ezequiel da Silva
, Egor Manuylovich
, Namita Sahoo
, Marcos A. R. Franco
, Hartmut Bartelt
, David Webb

São José dos Campos, Brazil
Leibniz Institute of Photonic Technology

Research output: Preprint or Working paper › Preprint

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Abstract

[Preprint] We demonstrate a new all-fiber electrically tunable modulation method which significantly reduces the response time of a Bragg grating acousto-optic modulator. A 4 cm long device is fabricated with a 1 cm grating inscribed in a suspended core fiber. An acoustic pulse train is switched out of phase along the fiber, damping unwanted natural resonant vibrations inside the grating. The device rise time is decreased from 56 to 9 µs by tuning the duty cycle of the driven electrical signal, contributing to achieve the shortest switching time of 15.6 µs. This tunable temporal response reveals unique features to change the profile of optical pulses. High pulse modulation depths are achieved employing a compact acousto-optic modulator, pointing to fast switching of all-fiber photonic devices.

Original language	English
Publisher	Aston University
Number of pages	9
DOIs	https://doi.org/10.48780/publications.aston.ac.uk.00046263
Publication status	Published - 2 May 2024

Bibliographical note

This work is licensed under a Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/).

Funding

This project has received funding from the European Union´s Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie grant agreement No 713694, from 305321/2023-4, Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq), and from grant #2022/10584-9, São Paulo Research Foundation (FAPESP).

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10.48780/publications.aston.ac.uk.00046263Licence: CC BY 4.0

da Silva et al All-fiber fast acousto-optic temporal control of tunable optical pulses
This work is licensed under a Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/).
Submitted manuscript, 1.37 MBLicence: CC BY 4.0

All-fiber fast acousto-optic temporal control of tunable optical pulses
da Silva, R. E., Manuylovich, E., Sahoo, N., Franco, M. A. R., Bartelt, H. & Webb, D. J., Oct 2024, In: Optical Fiber Technology. 87, 7 p., 103877.
Research output: Contribution to journal › Article › peer-review

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Cite this

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abstract = "[Preprint] We demonstrate a new all-fiber electrically tunable modulation method which significantly reduces the response time of a Bragg grating acousto-optic modulator. A 4 cm long device is fabricated with a 1 cm grating inscribed in a suspended core fiber. An acoustic pulse train is switched out of phase along the fiber, damping unwanted natural resonant vibrations inside the grating. The device rise time is decreased from 56 to 9 µs by tuning the duty cycle of the driven electrical signal, contributing to achieve the shortest switching time of 15.6 µs. This tunable temporal response reveals unique features to change the profile of optical pulses. High pulse modulation depths are achieved employing a compact acousto-optic modulator, pointing to fast switching of all-fiber photonic devices.",

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N2 - [Preprint] We demonstrate a new all-fiber electrically tunable modulation method which significantly reduces the response time of a Bragg grating acousto-optic modulator. A 4 cm long device is fabricated with a 1 cm grating inscribed in a suspended core fiber. An acoustic pulse train is switched out of phase along the fiber, damping unwanted natural resonant vibrations inside the grating. The device rise time is decreased from 56 to 9 µs by tuning the duty cycle of the driven electrical signal, contributing to achieve the shortest switching time of 15.6 µs. This tunable temporal response reveals unique features to change the profile of optical pulses. High pulse modulation depths are achieved employing a compact acousto-optic modulator, pointing to fast switching of all-fiber photonic devices.

AB - [Preprint] We demonstrate a new all-fiber electrically tunable modulation method which significantly reduces the response time of a Bragg grating acousto-optic modulator. A 4 cm long device is fabricated with a 1 cm grating inscribed in a suspended core fiber. An acoustic pulse train is switched out of phase along the fiber, damping unwanted natural resonant vibrations inside the grating. The device rise time is decreased from 56 to 9 µs by tuning the duty cycle of the driven electrical signal, contributing to achieve the shortest switching time of 15.6 µs. This tunable temporal response reveals unique features to change the profile of optical pulses. High pulse modulation depths are achieved employing a compact acousto-optic modulator, pointing to fast switching of all-fiber photonic devices.

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BT - All-fiber fast acousto-optic temporal control of tunable optical pulses

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All-fiber fast acousto-optic temporal control of tunable optical pulses

Abstract

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All-fiber fast acousto-optic temporal control of tunable optical pulses

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