All-fiber 10 MHz acousto-optic modulator of a fiber Bragg grating at 1060 nm wavelength

R.E. Silva, T. Tiess, M. Becker, T. Eschrich, M. Rothhardt, M. Jäger, A.A.P. Pohl, H. Bartelt

Research output: Contribution to journalArticle

Abstract

Acousto-optic modulation of a 1 cm fiber Bragg grating at 10.9 MHz frequency and 1065 nm wavelength is demonstrated for the first time. A special modulator design is employed to acoustically induce a dynamic radial long period grating which couples power of the fundamental mode to the higher-order modes supported by the Bragg grating. A modulated reflection band with a depth of 16 dB and 320 pm bandwidth has been achieved. The results indicate a higher modulation frequency compared to previous studies using flexural acoustic waves. In addition, the reduction of the grating length and the modulator size points to compact and faster acousto-optic modulators.
Original languageEnglish
Pages (from-to)25972-25978
JournalOptics Express
Volume23
Issue number20
DOIs
Publication statusPublished - 24 Sep 2015

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acousto-optics
Bragg gratings
modulators
fibers
wavelengths
gratings
frequency modulation
bandwidth
modulation
acoustics

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Silva, R. E., Tiess, T., Becker, M., Eschrich, T., Rothhardt, M., Jäger, M., ... Bartelt, H. (2015). All-fiber 10 MHz acousto-optic modulator of a fiber Bragg grating at 1060 nm wavelength. Optics Express, 23(20), 25972-25978. https://doi.org/10.1364/OE.23.025972
Silva, R.E. ; Tiess, T. ; Becker, M. ; Eschrich, T. ; Rothhardt, M. ; Jäger, M. ; Pohl, A.A.P. ; Bartelt, H. / All-fiber 10 MHz acousto-optic modulator of a fiber Bragg grating at 1060 nm wavelength. In: Optics Express. 2015 ; Vol. 23, No. 20. pp. 25972-25978.
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Silva, RE, Tiess, T, Becker, M, Eschrich, T, Rothhardt, M, Jäger, M, Pohl, AAP & Bartelt, H 2015, 'All-fiber 10 MHz acousto-optic modulator of a fiber Bragg grating at 1060 nm wavelength', Optics Express, vol. 23, no. 20, pp. 25972-25978. https://doi.org/10.1364/OE.23.025972

All-fiber 10 MHz acousto-optic modulator of a fiber Bragg grating at 1060 nm wavelength. / Silva, R.E.; Tiess, T.; Becker, M.; Eschrich, T.; Rothhardt, M.; Jäger, M.; Pohl, A.A.P.; Bartelt, H.

In: Optics Express, Vol. 23, No. 20, 24.09.2015, p. 25972-25978.

Research output: Contribution to journalArticle

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Silva RE, Tiess T, Becker M, Eschrich T, Rothhardt M, Jäger M et al. All-fiber 10 MHz acousto-optic modulator of a fiber Bragg grating at 1060 nm wavelength. Optics Express. 2015 Sep 24;23(20):25972-25978. https://doi.org/10.1364/OE.23.025972