Acousto-optic modulation using ZnO transducer in multicore fiber

Athikom Roeksabutr

doi:10.1117/12.2542230

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16 October 2019 Acousto-optic modulation using ZnO transducer in multicore fiber

Athikom Roeksabutr

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Proceedings Volume 11205, Seventh International Conference on Optical and Photonic Engineering (icOPEN 2019); 112051U (2019) https://doi.org/10.1117/12.2542230
Event: Seventh International Conference on Optical and Photonic Engineering (icOPEN 2019), 2019, Phuket, Thailand

Abstract

There are many approaches of frequency modulation to the optical signal in a single core fiber yet investigation of frequency modulation in a multicore fiber is not quite common at this time. We propose the new acousto-optic modulator using thin-layer ZnO transducer coated around the surface of a single mode multicore fiber (SM-MCF). The modulation frequencies from many hundred megahertz up to a few gigahertz are applied to investigate the characteristic of such a device by means of the theoretical calculations. Since the fiber has more than one core inside and some cores are not in the center, frequency shifting in different cores at the center and away from the center will be observed. Some parameters of the transducer, such as transducer length and thickness, and of the multicore fiber (MCF) structure will be varied to investigate the performance of the phase modulator. We found that the amplitude of modulation in different cores is various depending on the MCF structure. We believe this new device model can be applied in optical communication and sensors.

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Athikom Roeksabutr "Acousto-optic modulation using ZnO transducer in multicore fiber", Proc. SPIE 11205, Seventh International Conference on Optical and Photonic Engineering (icOPEN 2019), 112051U (16 October 2019); https://doi.org/10.1117/12.2542230

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