2022

20 Nov 2022
Our paper on realization of bound states in the continuum in anti-PT-symmetric optical systems is published in Laser & Photonics Reviews.
18 Nov 2022
Our paper on observation of mechanical bound states in the continuum in an optomechanical microresonator is published in Light: Science & Applications.
2 Nov 2022
Our paper on inverse-designed linear coherent photonic networks for high-resolution spectral reconstruction is accepted for publication in ACS Photonics.
31 Oct 2022
Our paper on highly tunable broadband coherent wavelength conversion with a fiber-based optomechanical system is published in Advanced Photonics and featured as a cover article.
6 Oct 2022
Our paper on dynamically encircling an exceptional point in an anti-PT-symmetric integrated photonic system is accepted for publication in Physical Review Letters.
26 Sep 2022
Our paper on wavelength-division multiplexing on an etchless lithium niobate integrated platform is published in ACS Photonics.
16 Sep 2022
Our review article on 2D-materials-integrated optoelectromechanics is accepted for publication in Reports on Progress in Physics.
1 Sep 2022
Prof. Sun starts to serve Optica as an Associate Editor.
26 Aug 2022
Our group alumnus Dr. Jingwen Ma receives the CUHK Postgraduate Research Output Award 2021.
1 Aug 2022
We warmly welcome postgraduate student Jianfeng He from South China Normal University.
8 Jul 2022
Our paper on Hofstadter butterfly and topological edge states in a quasiperiodic photonic crystal cavity array is published in Optics Express.
15 Jun 2022
Our group alumnus Dr. Jingwen Ma receives the Faculty Outstanding PhD Thesis Award 2021.
16 Feb 2022
Our group alumnus Jiawei Zhang secures an offer from Princeton University for postgraduate studies.
21 Jan 2022
Prof. Sun receives funding for research collaboration from Office of Academic Links, CUHK.
18 Jan 2022
Our paper on second-harmonic generation in etchless lithium niobate nanophotonic waveguides with bound states in the continuum is published in Laser & Photonics Reviews.
12 Jan 2022
Our paper on anisotropic Dirac cone and slow edge states in a photonic Floquet lattice is published in Physical Review B.
4 Jan 2022
Prof. Sun receives RGC CRF funding as a Project Coordinator.

2021

18 Dec 2021
Yue Yu receives the Best Paper Award (First Runner Up) at the 21st IEEE Photonics Society (Hong Kong Chapter) Postgraduate Conference 2021.
3 Dec 2021
Prof. Sun starts to serve Journal of Lightwave Technology as an Associate Editor.
4 Nov 2021
Our paper on experimental investigation of the angular symmetry of optical force in a solid dielectric is published in Optica.
24 Sep 2021
Our paper on demonstration of on-chip gigahertz acousto-optic modulation at near-visible wavelengths is published in Nanophotonics.
24 Aug 2021
Jingwen Ma successfully defends his Ph.D. thesis.
20 Aug 2021
Our paper on ultralow-loss etchless lithium niobate integrated photonics at near-visible wavelengths is published in Advanced Optical Materials.
4 Aug 2021
We warmly welcome research assistant Jiawei Zhang from Nankai University.
1 Aug 2021
Prof. Sun is appointed as Associate Director, Center of Optical Sciences.
30 Jun 2021
Prof. Sun receives RGC GRF funding.
4 May 2021
Xiang Xi successfully defends his Ph.D. thesis.
19 Apr 2021
Our paper on nanomechanical topological insulators with an auxiliary orbital degree of freedom is published in Nature Nanotechnology. See also: News & Views: "Topological vortices for sound and light" by Penglin Gao and Johan Christensen.
26 Feb 2021
Our paper on gigahertz acousto-optic modulation and frequency shifting on etchless lithium niobate integrated platform is published in ACS Photonics.
4 Feb 2021
Our paper on experimental demonstration of dual-band nanoelectromechanical valley-Hall topological metamaterials is published in Advanced Materials.
6 Jan 2021
Our paper on observation of chiral edge states in gapped nanomechanical graphene is published in Science Advances.

2020

6 Nov 2020
Our paper on inverse-designed photonic jumpers with ultracompact size and ultralow loss is published in Journal of Lightwave Technology.
4 Nov 2020
Our paper on nonmetallic broadband visible-light absorbers with polarization and incident angle insensitivity is published in IEEE Photonics Journal.
1 Sep 2020
Our group alumnus Dr. Zejie Yu starts his new position as a Professor in College of Optical Science and Engineering at Zhejiang University.
1 Aug 2020
Prof. Sun is promoted to Associate Professor with tenure.
29 May 2020
Our paper on giant enhancement of rotation sensing with PT-symmetric circular Bragg lasers is published in Physical Review Applied.
25 May 2020
Our paper on high-dimensional communication with photonic bound states in the continuum is published in Nature Communications.
29 Apr 2020
Our paper on graphene-assisted electro-optomechanical integration on a silicon-on-insulator platform is published in Optics Express.
1 Jan 2020
Our paper on acousto-optic modulation of photonic bound state in the continuum is published in Light: Science & Applications. See media release by Phys.org and EurekAlert!.

2019

4 Dec 2019
Our invited paper on optically controlled topologically protected acoustic wave amplification is published in IEEE Journal of Selected Topics in Quantum Electronics.
21 Nov 2019
Our paper on giant enhancement of nonlinear optical processes with split-ring resonators is published in IEEE Photonics Technology Letters.
1 Nov 2019
Prof. Joyce Poon from University of Toronto visits us and gives an invited talk titled "Light, communications, and computing."
31 Oct 2019
Our paper on topological photonic integrated circuits based on valley kink states is published in Laser & Photonics Reviews and featured as a cover article.
23 Oct 2019
Our paper on hybrid 2D-material photonics with bound states in the continuum is published in Advanced Optical Materials.
10 Oct 2019
Our paper on photonic integrated circuits with bound states in the continuum is published in Optica.
5 Aug 2019
Zejie Yu successfully defends his Ph.D. thesis.
1 Aug 2019
We warmly welcome postgraduate student Long Jin from Huazhong University of Science and Technology.
28 Jun 2019
Prof. Sun receives RGC GRF funding.
23 May 2019
Our paper on carrier-mediated cavity optomechanics in a semiconductor laser is published in Physical Review A.
11 Apr 2019
Our group alumnus Aosong Feng secures an offer from Yale University for postgraduate studies.
1 Feb 2019
We warmly welcome visiting scholar Prof. Mingzeng Peng from University of Science and Technology Beijing.

2018

19 Dec 2018
Our paper on inverse-designed polarization-insensitive silicon waveguide crossing is published in Optics Letters and selected as an Editor's Pick.
18 Dec 2018
Prof. Linran Fan from University of Arizona visits us and gives an invited talk titled "Quantum photon conversion with integrated nonlinear photonics."
15 Oct 2018
Our paper on ultranarrow-band metagrating absorbers is published in Optics Express.
29 Sep 2018
Our paper on photonic welding points is published in Nanophotonics.
15 Aug 2018
Our paper on proposing parity-time-symmetric mechanical systems by the cavity optomechanical effect is published in Optics Letters.
1 Aug 2018
Prof. Qiaoqiang Gan from University at Buffalo visits us and gives an invited talk titled "Extreme light-matter interaction."
1 Aug 2018
We warmly welcome postgraduate student Fan Ye from Nanjing University.
27 Jul 2018
Prof. Ya Sha Yi from University of Michigan visits us and gives an invited talk titled "Integrated subwavelength all-dielectric gratings/metasurfaces."
29 Jun 2018
Prof. Sun receives RGC GRF funding.
12 Jun 2018
Prof. Sun starts to serve Scientific Reports as an Editorial Board Member.
10 Apr 2018
Our paper on circular Bragg lasers with radial PT symmetry is published in Photonics Research.
31 Jan 2018
Prof. Sun presents an invited talk titled "Recent progress in nano-optomechanical devices at microwave frequencies" at SPIE Photonics West in San Francisco, California, USA.
17 Jan 2018
Prof. Qiang Lin from University of Rochester visits us and gives an invited talk titled "Nonlinear micro-/nano-photonic devices and applications."
12 Jan 2018
Our paper on giant enhancement of stimulated Brillouin scattering with phoxonic crystal waveguides is published in Optics Express.

2017

5 Oct 2017
Our paper on a proposal and experimental demonstration of on-chip reflectors with the smallest footprint on a thin-film-on-insulator platform is published in Photonics Research.
5 Aug 2017
Our paper on experimental realization of a wideband on-chip polarization rotator with an ultrasmall footprint is published in Optics Letters.
1 Aug 2017
Yue Yu and Ziyao Feng start their new status as postgraduate students in our group.
30 Jun 2017
Prof. Sun receives RGC GRF funding.

2016

8 Dec 2016
We warmly welcome research assistant Ziyao Feng from Huazhong University of Science and Technology.
5 Dec 2016
We warmly welcome research assistant Dong Xiao from Shenzhen University.
1 Dec 2016
Our work "Hybrid Graphene/Silicon Integrated Optical Isolators" is selected by Optics & Photonics News (OPN), The Optical Society's monthly news magazine, as one of the world's 30 most clearly communicated breakthroughs in optics in 2016.
29 Nov 2016
We warmly welcome research assistant Yue Yu from Huazhong University of Science and Technology.
28 Nov 2016
We publish two papers in Scientific Reports: one on designing ultraviolet optomechanical crystal cavities and the other on proposing parity-time-symmetric circular Bragg lasers.
17 Aug 2016
Prof. Sun starts to serve Optics Express as an Associate Editor.
4 Aug 2016
Prof. Lai Wang from Tsinghua University visits us and gives a talk.
1 Aug 2016
Jingwen Ma and Yuan Li start their new status as postgraduate students in our group.
19 Apr 2016
Our paper on a proposal of hybrid graphene/silicon integrated optical isolator published in Applied Physics Letters is featured as a cover article and selected as an Editor's Pick.
24-25 Feb 2016
Chinese Academy of Sciences Academician Prof. Shining Zhu from Nanjing University visits us and gives an invited talk titled "On-chip photonics and optoelectronics."

2015

28 Dec 2015
Prof. Hong Tang from Yale visits us and gives an invited talk titled "Hybrid silicon photonic circuits for chip-scale nonlinear and quantum optics."
16 Dec 2015
We warmly welcome research assistant Yuan Li from Southeast University.
19 Nov 2015
Prof. Kerry Vahala from Caltech visits us and gives an invited talk titled "Soliton frequency microcombs."
30 Oct 2015
Prof. Sun receives funding from NSFC/RGC joint research scheme.
15 Oct 2015
Prof. Sun receives the Early Career Award from the Research Grants Council of Hong Kong. See the news coverage by Faculty of Engineering and Department of Electronic Engineering, CUHK.
15 Oct 2015
We warmly welcome research assistant Jiahua Gu from South China Normal University.
25 Aug 2015
We warmly welcome research assistant Jingwen Ma from Huazhong University of Science and Technology.
1 Aug 2015
We warmly welcome postgraduate students Xiang Xi and Zejie Yu, from Huazhong University of Science and Technology and Zhejiang University, respectively.
30 Jun 2015
Prof. Sun receives RGC ECS funding.
31 Mar 2015
Prof. Sun receives funding from Shun Hing Institute of Advanced Engineering, CUHK.

2014

27 Nov 2014
Prof. Sun receives Direct Grant for Research from Faculty of Engineering, CUHK.