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2026 Year of the Horse
2026 Year of the Horse

Photonics & Lithography Lab

Advancing the frontiers of Nanostructures, Metasurfaces, and Computational Lithography.

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Lab Highlights & News

  • Lab News

    2025 Christmas Gift Exchange

    PAL Lab celebrated Christmas 2025 with a fun gift exchange party! Lab members gathered together to share joy and exchange gifts, strengthening our lab family bonds.

    Meet the Team →
    Christmas 2025 - 1 Christmas 2025 - 2 Christmas 2025 - 3 Christmas 2025 - 4 Christmas 2025 - 5 Christmas 2025 - 6
  • Award

    Student Paper Awards at OPTIC 2025

    Congratulation to Shang-Chiang Sung to win the student award in OPTIC 2025! Optical Nano Device and Application. Title: Apodized Metasurface Exit-Pupil Expansion Waveguide for High-Efficiency Augmented Reality Glasses

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    student award
  • Award

    Student Paper Awards at OPTIC 2025

    Congratulation to Ping-Ke Li to win the student award in OPTIC 2025! Optical Nano Device and Application. Title: Polarization-Controlled Meta-Holography via large area Chiral Metasurfaces

    Read More →
    student award
  • New Publication

    Breakthrough in AR Waveguides

    Published in *Metrology, Inspection, and Process Control*: "Large area metalens and AR waveguides fabricated by DUV KrF lithography".

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  • Lab News

    Welcome New Master Students

    We are excited to welcome 4 new master students joining the PAL Lab family next semester.

    Meet the Team →

About Our Lab

Take a glimpse into our research environment, facilities, and the collaborative spirit that drives innovation at PAL Lab.

Welcome to PAL Lab

PAL Lab Group Photo

PAL Lab Team

Led by Prof. Peichen Yu at National Yang Ming Chiao Tung University, our lab specializes in the intersection of photonics and advanced lithography. We combine theoretical design with practical fabrication to create next-generation optical devices, from AR waveguides to quantum solutions.

Latest Highlights

  • New Publication Accepted!! Intelligent Proximity Correction Enabled Large-Area Metasurfaces by KrF Photolithography
  • Student Paper Awards at OPTIC 2025 - Ping-Ke Li & Shang-Chiang Sung
  • New publication in Optical and EUV Nanolithography XXXVIII (2025)
  • Breakthrough in Meta-Optics Element Augmented Reality (AR) Waveguides
  • Advanced research in Quantum Annealing for lithography optimization
Meet Our Team
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