期刊
OPTICS LETTERS
卷 47, 期 7, 页码 1818-1821出版社
Optica Publishing Group
DOI: 10.1364/OL.454277
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资金
- National Key Research and Development Program of China [2019YFA0705000, 2019YFB1803900]
- National Natural Science Foundation of China [11690031, 11761131001]
- Key R&D Program of Guangdong Province [2018B030329001]
- Local Innovative and Research Teams Project of Guangdong Pearl River Talents Program [2017BT01X121]
- Key-Area Research and Development Program of Guangdong Province [2019B121204003]
This article introduces a compact polarization-insensitive electro-optic modulator based on substrate-removed thin-film lithium niobate technology, which allows the laser and modulator to be connected with a standard single-mode fiber at different locations. It is of great significance for 5G and future 6G wireless networks.
A compact polarization-insensitive electro-optic (EO) modulator, which allows the laser and modulator to be located at different locations while using a standard single-mode fiber to interconnect them, is highly desirable for 5G or future 6G wireless networks. Herein, we propose a modulator based on substrate-removed thin-film lithium niobate. The proposed device exhibits a polarization-dependent loss of 0.35 dB and on-chip loss of approximately 2 dB. The polarization insensitivity of the proposed device was experimentally demonstrated using a four-level pulse-amplitude modulation format at 50 Gbaud (100 Gb/ s). (C) 2022 Optica Publishing Group
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