Publications

†: Equally contributed first authorship
*: Corresponding authorship

In Preparation

  1. Wavenumber-Preserving Frequency Conversion in Bilayer Phononic Crystals
    Beomseok Oh, Yeongtae Jang, Hyunsuk Yun, Eunho Kim, and Junsuk Rho*
    In preparation
  2. Metamaterials for universal wave processing
    Beomseok Oh†, Unyong Jeong†, Beomha Yang†, Jehyeon Song†, Xiaotong Li, and Junsuk Rho*
    In preparation
  3. Unified dispersion engineering of metasurface-integrated transducers for arbitrary spectral-spatial sound field synthesis
    Beomseok Oh†, Woongji Kim†, Wonkyu Moon, and Junsuk Rho*
    In preparation
  4. Bimodal architected underwater metamaterials for programmable multi-functional responses
    Beomseok Oh†, Jehyeon Shin†, Sung-Hoon Byun, Sea-Moon Kim*, and Junsuk Rho*
    In preparation

Submitted

  1. Polarity-Multiplexed Wave Rectification with Cascaded-Bandgap-Induced Nonreciprocity
    Beomseok Oh†, Yeongtae Jang†, Eunho Kim, and Junsuk Rho*
    Under review
  2. 180° field-of-vibration metasurfaces for momentum sensing
    Geon Lee, Jehyeon Song, Dongsu Lee, Minseok Choi, Beomseok Oh, Seokwoo Kim, Wonjae Choi, and Junsuk Rho*
    Nature Mechanical Engineering (Accepted)

International Papers

2026

  1. LoopDNN_NetSens.png
    All-wave computational ultrasonic fingerprint identification with metasurface-driven loop-diffractive neural network
    Seokho Lee†, Beomseok Oh†, Woongji Kim, Junsu Lee, Wonkyu Moon, and Junsuk Rho*
    Nature Sensors, 2026
    [IF: pending]
    DOI
    Media Coverage
    International: Maeil Business English , DongA Science English (roundup)
    Korean: ETNews , Newsis , News1 , Maeil Business , Financial News , The Kyunghyang Shinmun , The Segye Times , Weekly Hankooki , KPI News , Kyongbuk Maeil , Gyeongbuk Domin Ilbo , Pohang MBC , Energy News , Unimatea , Korea University News , Veritas Alpha , Newsworks (roundup) , DongA Science (roundup) , KIPOST (roundup)
  2. MiPAL_NatComm.png
    Dual-domain metamaterials co-integrated with a compact ultrasonic transducer for highly directional audio generation
    Woongji Kim†, Beomseok Oh†, Wonkyu Moon*, and Junsuk Rho*
    Nature Communications, 2026
    [IF: 18.1, JCR: 5.4% in Multidisciplinary Sciences]
    DOI PDF
    Media Coverage
    International: EurekAlert , Tech Xplore , Nanowerk , POSTECH , DongA Science , Digital Trends , Interesting Engineering , Hackster.io , Electronics For You , Mapping Ignorance , Knowridge , MessageToEagle , TechJuice , ARY News
    Korean: The Dong-A Ilbo , YTN Science , Newsis , KPI News , Kyongbuk Maeil , The Kyunghyang Shinmun , Gyeongbuk Shinmun , Gyeongbuk Domin Ilbo , Kyongbuk Ilbo , Daekyung Ilbo , Daegu MBC , TBC , Yonhap News , Joongdo Ilbo , Veritas Alpha , KIPOST , Korea University News , Newsworks , ScienceTimes
    YTN 사이언스 투데이 YouTube
    Supplementary Movie 5 Nature Communications Music: Vivaldi, "Spring" (RV 269). Supplementary material: CC BY-NC-ND 4.0. Music: CC Public Domain Mark (Musopen).
  3. LUlens_JSV.png
    Locally resonant underwater lens for broadband waterborne sound focusing
    Beomseok Oh, Dongwoo Lee, Yeon-Seong Choo, Sung-Hoon Byun, Jehyeon Shin, Sea-Moon Kim*, and Junsuk Rho*
    Journal of Sound and Vibration, 2026
    [IF: 5.8, JCR: 3.7% in Acoustics]
    DOI PDF
    Media Coverage
    International: EurekAlert , Tech Xplore , POSTECH , DongA Science , Infralog
    Korean: YTN Science , ETNews , Newsworks , HelloDD , Joongdo Ilbo , Veritas Alpha , DongA Science , Pohang MBC , Gyeongbuk Domin Ilbo , Yeongnam Economy
    YTN 사이언스 투데이 YouTube

2025

  1. SPPALs_JASA.png
    Design, analysis, and experimental validation of a stepped plate parametric array loudspeaker
    Woongji Kim, Beomseok Oh, Chayeong Kim, and Wonkyu Moon*
    The Journal of the Acoustical Society of America, 2025
    [IF: 2.6, JCR: 33.9% in Acoustics]
    DOI PDF
  2. BiAFC_PRL.jpg
    Bidirectional Asymmetric Frequency Conversion in Nonlinear Phononic Crystals
    Yeongtae Jang†, Beomseok Oh†, Eunho Kim*, and Junsuk Rho*
    Physical Review Letters, 2025
    [IF: 9.4, JCR: 7.6% in Physics, Multidisciplinary]
    DOI PDF
    Media Coverage
    International: EurekAlert , MSN , Phys.org , MirageNews , ChosunBiz English , Lifeboat , SSBCrack News
    Korean: DongA Science , ChosunBiz , ETNews , JoongAng Economy News , e-Science , KPI , Maeil News , Daekyung Ilbo , Gyeongbuk Domin Ilbo , Veritas Alpha , Yeongnam Economy , DaehakIN , Professor News , Daum (ChosunBiz) , Daum (ETNews) , Nate (ChosunBiz)
  3. Filter_AA.png
    An accurate measurement of parametric array using a spurious sound filter topologically equivalent to a half-wavelength resonator
    Woongji Kim†, Beomseok Oh†, Junsuk Rho*, and Wonkyu Moon*
    Applied Acoustics, 2025
    [IF: 4.3, JCR: 13.4% in Acoustics]
    DOI PDF
  4. Ulens_PRApplied.png
    Underwater sound focusing via quasi-three-dimensional gradient-index lens
    Seong-Jin Lee, Jung-Woo Kim, Sang-Hoon Kim, Dongwoo Lee, Beomseok Oh, Junsuk Rho*, and Gunn Hwang*
    Physical Review Applied, 2025
    [IF: 4.4, JCR: 31.6% in Physics, Applied]
    DOI PDF
  5. EBIC_CommPhys.png
    Elastic trapping by acoustoelastically induced transparency
    Dongwoo Lee, Jeonghoon Park, Seokwoo Kim, Beomseok Oh, Xinji Piao, Namkyu Park, and Junsuk Rho*
    Communications Physics, 2025
    [IF: 5.5, JCR: 13.8% in Physics, Multidisciplinary]
    DOI PDF

2024

  1. WFOH_NatComm.png
    Wide field-of-hearing metalens for aberration-free sound capture
    Dongwoo Lee†, Beomseok Oh†, Jeonghoon Park, Seong-Won Moon, Kilsoo Shin, Sea-Moon Kim, and Junsuk Rho*
    Nature Communications, 2024
    [IF: 18.1, JCR: 5.4% in Multidisciplinary Sciences]
    DOI PDF
    Media Coverage
    International: EurekAlert , MirageNews , ScienceDaily , Phys.org , Bioengineer.org , ScienMag , eeNews Europe , Opli
    Korean: Chosun , DongA Science , Media Gyeongbuk , Herald Economy , Gyeongbuk Ilbo , Daekyung Ilbo , NewDaily , Gyeongbuk Domin Ilbo , Prime Economy , Electrical Times , Web Economy , Veritas Alpha , TheAI , Nate (Prime Economy)

2023

  1. Lens_MTP.jpg
    Engineering metalenses for planar optics and acoustics
    Beomseok Oh†, Kyungtae Kim†, Dongwoo Lee†, and Junsuk Rho*
    Materials Today Physics, 2023
    [IF: 9.3, JCR: 17.1% in Physics, Applied]
    DOI PDF
  2. PCSPT_Ultras.jpg
    An improved analytic model for designing the polymer-composite stepped-plate transducer using the modified Mindlin plate theory
    Beomseok Oh, Chayeong Kim, Dongwoo Lee, Junsuk Rho*, and Wonkyu Moon*
    Ultrasonics, 2023
    [IF: 4.8, JCR: 11% in Acoustics]
    DOI PDF

Domestic Papers

2024

  1. Sound wave focusing technology using acoustic metalenses
    Beomseok Oh, Kiyoon Kim, and Junsuk Rho*
    Korean Journal of Metals and Materials, 2024
    PDF

Patents

  1. Underwater Acoustic Focusing Apparatus Using Cavity-Type Local Resonance Structure and Design Method Thereof
    Beomseok Oh, Sea-Moon Kim, Junsuk Rho, and Sung-Hoon Byun
    2026
    Korean Patent Application No. 10-2026-0123845. Filed
  2. Biometric Authentication System and Method Using a Metasurface-Based Diffractive Neural Network for Wave-Based Physical Computing
    Junsuk Rho, Seokho Lee, and Beomseok Oh
    2026
    Korean Patent Application No. 10-2026-0078422. Filed
  3. Acoustic metalens and acoustic sensor including the same
    Junsuk Rho, Dongwoo Lee, and Beomseok Oh
    2024
    Korean Patent Application No. 10-2024-0077041. Registered
    DOI
  4. Smart pillow
    Kyoungsu Park, Beomseok Oh, Hyun-Gi Ryu, Songhyun Jeon, and Jongho Kim
    2021
    Korean Patent No. 10-2222216. Completed technology transfer