Piezoelectrics & Acoustooptics, Volume. 45, Issue 2, 239(2023)

Fabrication of LNOI Ridge Microstructure Based on Inductively Coupled Plasma Etching

WU Yuhang1,2, YANG Zhonghua3, MENG Xuefei3, SONG Zeqian3, LIU Wen1,2, LUO Wenbo2,3, and ZHANG Wanli2,3
Author Affiliations
  • 1[in Chinese]
  • 2[in Chinese]
  • 3[in Chinese]
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    References(12)

    [1] [1] LI X P,CHEN K X,HU Z F.Low-loss bent channel waveguides in lithium niobate thin film by proton exchange and dry etching[J].Optical Materials Express,2018,8(5):1322.

    [2] [2] TSUCHIYA T,SUGANO K,TAKAHASHI H,et al.Dry etching and low-temperature direct bonding process of lithium niobate wafer for fabricating micro/nano channel device[C]//Kaohsiung City: 2017 19th International Conference on Solid-State Sensors,Actuators and Microsystems(Transducers),IEEE,2017.

    [3] [3] ZHAO J H,LIU X H,HUANG Q,et al.Lithium niobate ridge waveguides fabricated by ion implantation followed by ion beam etching[J].Journal of Lightwave Technology,2010,28(13):1913-1916.

    [4] [4] SMITH S E.Investigation of nanoscale etching and poling of lithium niobate[D].Bozeman,Montana,USA: Montana State University,2014.

    [5] [5] POBERAJ G,HU H,SOHLER W,et al.Lithium niobate on insulator(LNOI) for micro-photonic devices[J].Laser & Photonics Reviews,2012,6(4):488-503.

    [6] [6] LAURELL F,WEBJORN J,ARVIDSSON G,et al.Wet etching of proton-exchanged lithium niobate-a novel processing technique[J].Journal of Lightwave Technology,1991,10(11):1606-1609.

    [7] [7] WANG T J,HUANG C F,WANG W S,et al.A novel wet-etching method using electric-field-assisted proton exchange in LiNbO3[J].Journal of Lightwave Technology,2004,22(7):1764-1771.

    [9] [9] LEE C L,LU C L.CF4 plasma etching on LiNbO3[J].Applied Physics Letters,1979,35(10):756-758.

    [10] [10] OHMACHI Y,NODA J.Electro-optic light modulator with branched ridge waveguide[J].Appl Phys Lett,1975,27(10): 544-546.

    [11] [11] JACKEL J L,HU E L,LYMAN S P,et al.Reactive ion etching of LiNbO3[J].Appl Phys Lett,1981,38(11):907-909.

    [12] [12] PARK W J,YANG W S,KIM W K,et al.Ridge structure etching of LiNbO3 crystal for optical waveguide applications[J].Optical Materials,2006,28(3):216-220.

    [13] [13] OSIPOV A A,OSIPOV A A,IANKEVICH G A,et al.Deep etching of LiNbO3 using inductively coupled plasma in SF6-based gas mixture[J].Journal of Microelectromechanical Systems,2020(99):1-6.

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    WU Yuhang, YANG Zhonghua, MENG Xuefei, SONG Zeqian, LIU Wen, LUO Wenbo, ZHANG Wanli. Fabrication of LNOI Ridge Microstructure Based on Inductively Coupled Plasma Etching[J]. Piezoelectrics & Acoustooptics, 2023, 45(2): 239

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    Paper Information

    Received: Oct. 15, 2022

    Accepted: --

    Published Online: Nov. 29, 2023

    The Author Email:

    DOI:10.11977/j.issn.1004-2474.2023.02.014

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