Integrated Electro-Optical Sensors for Microwave Photonic Applications on Thin-Film Lithium Niobate

被引：4
作者：
Juneghani, Farzaneh A. [1 ]
Vazimali, Milad G. [1 ]
Kanter, Gregory S. [2 ]
Fathpour, Sasan [1 ]
机构：
[1] Univ Cent Florida, CREOL, Coll Opt & Photon, Orlando, FL 32816 USA
[2] NuCrypt LLC, Park Ridge, IL USA
来源：
2021 INTERNATIONAL TOPICAL MEETING ON MICROWAVE PHOTONICS (MWP) | 2021年
关键词：
Thin-film lithium niobate; microwave sensing; RF sensing; electro-optical sensor; antenna; MODULATOR; ANTENNA;
D O I：
10.1109/MWP53341.2021.9639407
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In-plane integrated electro-optical (EO) sensors have been recently investigated for microwave photonic applications. Here, implementation of these sensors on thin-film lithium niobate (TFLN) on quartz substrates is proposed and studied Simulation results confirm the superior performance of such sensors compared to those on previously pursued platforms. A maximum field enhancement (FE) factor of 1100 with 17 GHz bandwidth at the center frequency of 28 GHz is reachable on this platform with the use of a bow-tie antenna. Also, using a patch antenna, a maximum FE factor of 950 can be obtained with a 39 dB difference between the carrier and first sideband intensities for an incident electric field amplitude of 10 V/m. Therefore, by choosing the proper type of antenna, both high-bandwidth and high-sensitivity EO microwave sensors are achievable on TFLN on quartz.
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页数：4
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