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http://hdl.handle.net/10397/106114
Title: | Broadband all-fiber optical phase modulator based on photo-thermal effect in a gas-filled hollow-core fiber | Authors: | Jiang, SL Chen, FF Zhao, Y Gao, SF Wang, YY Ho, HL Jin, W |
Issue Date: | 2023 | Source: | Opto-electronic advances, 2023, v. 6, no. 5, 220085, p. 220085-1-220085-7 | Abstract: | We report broadband all-fiber optical phase modulation based on the photo-thermal effect in a gas-filled hollow-core fiber. The phase modulation dynamics are studied by multi-physics simulation. A phase modulator is fabricated using a 5.6-cm-long anti-resonant hollow-core fiber with pure acetylene filling. It has a half-wave optical power of 289 mW at 100 kHz and an average insertion loss 0.6 dB over a broad wavelength range from 1450 to 1650 nm. The rise and fall time constants are 3.5 and 3.7 mu s, respectively, 2-3 orders of magnitude better than the previously reported microfiber-based photo-thermal phase modulators. The gas-filled hollow-core waveguide configuration is promising for optical phase mod-ulation from ultraviolet to mid-infrared which is challenging to achieve with solid optical fibers. | Keywords: | Optical modulators Photo -thermal effects Hollow -core fibers |
Publisher: | Editorial Office of Opto-Electronic Advances | Journal: | Opto-electronic advances | ISSN: | 2096-4579 | DOI: | 10.29026/oea.2023.220085 | Rights: | Open Access This article is licensed under a Creative Commons Attribution 4.0 International License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/. © The Author(s) 2023. Published by Institute of Optics and Electronics, Chinese Academy of Sciences. The following publication Jiang SL, Chen FF, Zhao Y, Gao SF, Wang YY et al. Broadband all-fiber optical phase modulator based on photo-thermal effect in a gas-filled hollow-core fiber. Opto-Electron Adv 6, 220085 (2023) is available at https://dx.doi.org/10.29026/oea.2023.220085. |
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