Photonic & Optomechanical Nanodevice Laboratory at CUHK

Long Jin successfully defends his Ph.D. thesis

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 2027.
(2) Postdoctoral researchers. Please plan ahead and allow ample time (usually 3 months) for Hong Kong visa processing.
(3) Summer research interns, exchange students, visiting students, research assistants. These positions are usually offered in short term and without compensation. Please plan ahead and allow ample time (usually 3 months) for Hong Kong visa processing.
Further information is listed in this announcement (in English) and this announcement (in simplified Chinese).
Important messages:
(1) We take a serious attitude toward scientific research. We expect our group members to be honest, self-disciplined, and dedicated to high-quality research.
(2) Applicants must demonstrate their capability and potential for high-quality research with clear evidence. An applicant who has obtained a Bachelor's degree (whether or not in a postgraduate program) is expected to have first-authored papers (cofirst author listed not at the first place is not counted as first author) published or officially accepted in high-quality journals. Note that this is a strict requirement for all applicants who have obtained a Bachelor's degree.
(3) If you satisfy the above requirements, please email your CV, academic transcript, and publication list (do not send papers) for consideration. We welcome applicants with backgrounds in physics, optics, electronics, acoustics, and materials.
(4) You will receive a response usually within a few days. No response does not mean no interest, because your email may have gone to my spam folder. To avoid miscommunication, please use your business email address or try calling my office phone number.
(5) Please beware of scams and do not trust any third-party information.

Reasons to choose EE at CUHK

(1) CUHK is ranked No. 32 worldwide (No. 2 in Hong Kong) according to the QS World University Rankings 2026, No. 37 worldwide (No. 1 in Hong Kong) according to the US News 2025-2026 Best Global Universities Rankings, or No. 41 worldwide (No. 2 in Hong Kong) according to the Times Higher Education (THE) World University Rankings 2026.
(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.