Qian "Tim" Yang

Qian "Tim" Yang

PhD Student in Optics and Photonics

CREOL, University of Central Florida


Greetings! I’m a 5th year Ph.D. student under the supervision of Prof. Shin-Tson Wu at CREOL, University of Central Florida.

My current research interests include liquid crystal Optics and AR/VR displays.

  • Liquid Crystal Optics
  • AR/VR
  • Ph.D. in Optics and Photonics, 2024 (expected)

    University of Central Florida

  • M.S. in Optics, 2019

    University of Rochester

  • B.S. in Physics, 2017

    Nanjing University

Work Experience

Apple Inc.
Engineering Intern
June 2023 – September 2023 Cupertino, CA
  • Improve display performance on Apple Vision Pro.
CREOL, University of Central Florida
Research Assistant
August 2019 – Present Orlando, FL
  • Advisor: Prof. Shin-Tson Wu
  • Research on liquid crystal Optics and AR/VR displays.


Quickly discover relevant content by filtering publications.
(Review paper) Waveguide-based augmented reality displays: perspectives and challenges. eLight 3, 57, (2023).
Human Eye Contrast Sensitivity to Vehicle Displays under Strong Ambient Light. Crystals 13, 1384, (2023).
(Distinguished student paper) Switchable polarization volume gratings for augmented reality waveguide displays. J. Soc. Inf. Disp. 31(5), 328-335, (2023).
(Distinguished student paper) Design optimization of polarization volume gratings for full-color waveguide-based AR displays. J. Soc. Inf. Disp. 31(5), 380-386, (2023).
(Forum article) Compact foveated AR displays with polarization selective planar lenses. ACS Appl. Opt. Mater, (2023).
(Review paper, Co-first author) AR/VR light engines: perspectives and challenges. Adv. Opt. Photon. 14(4), 783-861, (2022).
(Review paper) Advanced liquid crystal devices for augmented reality and virtual reality displays: Principles and Applications. Light Sci. Appl. 11, 161, (2022).
(Distinguished student paper) Low-diffraction transparent µLED displays with optimized pixel structure. J. Soc. Inf. Disp. 30, 395-403, (2022).
Holo-imprinting polarization optics with a reflective liquid crystal hologram template. Light Sci. Appl. 11, 54, (2022).
(Review paper, Invite) 3D displays in augmented and virtual realities with holographic optical elements [invited]. Opt. Express 29(26), 42696-42712, (2021).
Dual-depth augmented reality display with reflective polarization-dependent lenses. Opt. Express 29(20), 31478-31487, (2021).
Chirped dissipative solitons in driven optical resonators. Optica 8, 861-869, (2021).
(Review paper) Prospects and challenges of mini-LED, OLED, and micro-LED displays. J. Soc. Inf. Display 29(6), 446-465, (2021).
Reducing Power Consumption of Active-Matrix Mini-LED Backlit LCDs by Driving Circuit. IEEE Trans. Electron Devices 68(5), 2347-2354, (2021).
Large-angle two-dimensional grating with hybrid mechanisms. Opt. Lett. 46(4), 920-923, (2021).
Fast-Response Liquid Crystal for Spatial Light Modulator and LiDAR Applications. Crystals 11, 93, (2021).
Halo effect in high-dynamic-range mini-LED backlit LCDs. Opt. Express 28(24), 36822-36837, (2020).
Fast-Response Liquid Crystal Phase Modulators with an Excellent Photostability. Crystals 10, 765, (2020).
Stretched-Pulse Soliton Kerr Resonators. Phys. Rev. Lett. 125(3), 033902, (2020).

Conference proceedings

(Distinguished student paper) Low-Diffraction Transparent μLED Displays with Optimized Pixel Structure. SID Symposium Digest of Technical Papers, 53: 715-718, (2022).
(Invited Paper) Ambient light and human vision effects on high-dynamic-range displays. SID Symposium Digest of Technical Papers, 52: 646-649, (2021).
High Birefringence Liquid Crystal for Fast-Response Phase Modulators. SID Symposium Digest of Technical Papers, 52: 1416-1419, (2021).
High Dynamic Range Mini-LED and Dual-Cell LCDs. SID Symposium Digest of Technical Papers, 51: 115-118, (2020).
Highly-Chirped Solitons in Driven Resonators. in CLEO, OSA Technical Digest (Optica Publishing Group, 2019), paper SF1L.4, (2019).
Stretched-Pulse Solitons in Driven Fiber Resonators. in CLEO, OSA Technical Digest (Optica Publishing Group, 2019), paper SF1L.3, (2019).

Honors & Awards

SPIE Optics and Photonics Education Scholarship
SID Distinguished Paper Award
ORC Doctoral Fellowship
Schwartz Fellowship

Leadership & Service

President, UCF Student Branch
Treasurer, UCF Student Branch
Webmaster, UCF Student Branch
IEEE Photonics Society
Webmaster, UCF Student Branch