Photonic & Optomechanical Nanodevice Laboratory at CUHK

Our research is published in Nanophotonics as a cover article

Our research is published in ACS Photonics as a cover article

Prof. Sun receives CUHK Young Researcher Award 2022/23

Prof. Sun receives the RGC Research Fellow Award 2023/24

Yuan Li successfully defends his Ph.D. thesis

Ziyao Feng successfully defends his Ph.D. thesis

Yue Yu successfully defends her Ph.D. thesis

Our research is published in ACS Photonics as a cover article

Yue Yu receives EE PG Student Research Excellence Award and Best Presentation Award

Our research is published in Advanced Photonics as a cover article

Yue Yu receives Best Paper Award at IEEE Photonics Society (HK Chapter) PG Conference

Our research is published in Optica

Jingwen Ma successfully defends his Ph.D. thesis

Our research is published in Nature Nanotechnology

Xiang Xi successfully defends his Ph.D. thesis

Our research is published in Science Advances

Our research is published in Nature Communications

Our research is published in Light: Science & Applications

Our research is published in Laser & Photonics Reviews as a cover article

Our research is published in Optica

Zejie Yu successfully defends his Ph.D. thesis

Our work is selected as one of the world's 30 breakthroughs in optics in 2016

Prof. Sun receives the RGC Early Career Award 2015/16

Research Areas

integrated optics, optoelectronics, nanophotonics, nanofabrication, optomechanics, optoacoustics, nanomechanics, micro- and nanoelectromechanics, photonic nanostructures, semiconductor lasers, photonic/phononic crystals, nonlinear photonics, topological photonics, optical communication, optical sensing and signal processing

Current Openings

(1) Ph.D. students to start in Fall 2026.
(2) Postdoctoral researchers with flexible time frames.
(3) Summer research interns, exchange students, visiting students, research assistants with flexible time frames.
Please check this announcement (in English) or this announcement (in simplified Chinese) for details. Applicants with background in physics, optics, electronics, acoustics, and materials are all welcome. Please email your CV, academic transcript, and publication list for consideration.

Please note:
(1) Applicants must be honest, self-disciplined, and dedicated to high-quality research.
(2) Applicants with a Bachelor's degree must have first-authored papers published or officially accepted in high-quality journals to demonstrate their capability and potential for high-quality research. Note that this is a strict requirement for all applicants with a Bachelor's degree.
(3) If you satisfy the above conditions, you should receive a response usually within a day or two. No response to your inquiry does not mean no interest. It can be because your email went to my spam folder. To avoid miscommunication, please feel free to resend your email or call my office phone number.

Reasons to choose EE at CUHK

(1) CUHK is ranked No. 36 worldwide (No. 2 in Hong Kong) according to the QS World University Rankings 2025, No. 42 worldwide (No. 1 in Hong Kong) according to the US News 2024-2025 Best Global Universities Rankings, or No. 44 worldwide (No. 2 in Hong Kong) according to the Times Higher Education (THE) World University Rankings 2025.
(2) EE of CUHK is constantly ranked in top 30 worldwide in recent years, according to the U.S. News Best Global Universities for Electrical and Electronic Engineering 2023.
(3) CUHK has the highest proportion of world leading and internationally excellent research within the Electrical and Electronic Engineering area in Hong Kong, according to the Results of the Research Assessment Exercise 2020 by the University Grants Committee of Hong Kong.