Huanyang Chen's Research
Group

News

Archived News:

Apr 19,2022, our paper , "Tailoring topological transition of anisotropic polaritons by interface engineering in biaxial crystals" was published on  Nano Lett. and  selected as magazine cover.

Nov 30, 2021, Our paper, "Invisibility concentrator based on van der Waals semiconductor α-MoO3" was published on Nanophotonics and was highlighted by Phys.org  with  "Creating invisibility with natural van der Waals materials".

Note: the reporter mistook our van der Waals materials α-MoO3 for superconducting materials)

October 30, 2021, Our review paper, "Transformation Metamaterials" was published on  Adv. Mater.

Sept 27, 2021, Our paper, "Conformal hyperbolic optics", was published on Phys. Rev. Research.

July 1, 2021, Our paper, "Mimicking the gravitational effect with gradient index lenses in geometrical optics", was published on Photonics Research.

June 23, 2021, Our PRL work on "Invisible gateway by superscattering effect of metamaterials", was highlighted in Phys.org: "The first observation of the superscattering effect of metamaterials".

June 11, 2021, Our PRL work on "Invisible gateway by superscattering effect of metamaterials", was highlighted by Nature: "Not just sorcery: scientists build an invisible portal".

June 4, 2021, Our paper (together with Prof. Ruixin Wu), "Invisible gateway by superscattering effect of metamaterials",was published on Phys. Rev. Lett. and selected as Editor's suggestion.

May 20, 2021, Our paper (together with Profs. Daining Fang, Mingji Chen, and Yun Lai), "Highly Efficient Gradient Solid Immersion Lens with Large Numerical Aperture for Broadband Achromatic Deep Subwavelength Focusing and Magnified Far field", was accepted for publication on Adv. Opt. Mater.

May 13, 2021, Our paper (together with Prof. Ruixin Wu), "Invisible gateway by superscattering effect of metamaterials", was accepted for publication on Phys. Rev. Lett.

March 23, 2021, Prof. Chen was invited to server as a Topics Board Editor for 'Nanocomposite Materials' in the journal of Nanomaterials.

Feb 26, 2021, Our work has been selected into "Scaling New Heights" (Super-charged technological innovation) by Nature in celebrating the centenary anniversary of Xiamen University.

Feb 22, 2021, Prof. Chen was invited to serve as Specialty Chief Editor for the section of Metamaterials in the journal of Frontiers in Materials.

Jan 20, 2021, Our paper, "Efficient Mode Converter and Orbital-Angular-Momentum Generator via Gradient-Index Metamaterials", was published on Phys. Rev. Applied.

December 21, 2020, Our paper,"Metagrating in ancient Luoyang Bridge", was published on EPL. The ancient Chinese bridge, Luoyang Bridge, has been revealed to obey similar laws to diminish waves like an optical model, metagrating.

August 24, 2020, Our paper (together with Prof. Johannes Courtial), "Transformation cosmology", was published on Physical Review A.  In this paper, we propose a way by utilizing transformation optics theory to directly obtain the equivalent isotropic refractive index profiles which are the analogies of some static spaces of general relativity. We find that the analog of de Sitter space is the Poincaré disk, while anti–de Sitter space is equivalent to Maxwell's fish-eye lens. Furthermore, with the isotropic refractivity index profile, we visualize the gravitational lensing effect of black hole from our software Dr TIM.

June 19, 2020, Our paper (together with Assi. Prof. Longfang Ye), "Manipulating Evanescent Waves in a Gradient Waveguide", was published on Phys. Rev. Applied.In this paper, we analyze the manipulation of evanescent waves in a waveguide with gradient-index metamaterials in theory and experiment.

June 8, 2020, Our paper (together with Asso. Prof. Yadong Xu, Prof. Xin Ou), "Photonic hyperinterfaces for light manipulations", was published on Optica.In this paper, we theoretically and experimentally study a new type of photonic interface (namely a hyperinterface) inside an optical metamaterial made of a zigzag alternating multilayer structure [namely structuredmetamaterials (SMMs)] in the deep-subwavelength regime.

May 4, 2020, Our paper (together with Assi. Prof. Lin Xu, Prof. Hui Liu),     "Conformal Landscape of a Two-Dimensional Gradient Refractive-Index Profile for Geometrical Optics", was published on     Phys. Rev. Applied.In this paper, we demonstrate that a flat gradient index optical thin-film waveguide is equivalent to a curved homogenous optical thin film waveguide for light rays by utilizing conformal equivalence.

Feb 4, 2020, Our paper, "Bioinspired Conformal Transformation Acoustics", was published on Phys Rev Applied. In this paper, we propose "Bioinspired Conformal Transformation Acoustics": a bioinspired semianalytical conformal acoustics that can predict the evolution of acoustic functions strictly. This is inspired by toothed whales, such as dolphins and porpoises, which can manipulate directional beams by simply deforming their foreheads.

Jan 21, 2020, Our paper (together with Prof. Jian-Hua Jiang), "Plasmon-polaritonic quadrupole topological insulators", was published on Phys Rev B (Rapid Communication). In this paper, we propose a lattice of plasmon-polaritonic nanocavities which can realize quadrupole topological insulators by exploiting the geometry-dependent sign reversal of the couplings between the daisylike nanocavities.

Dec 26, 2019, CSC Inovation Project has been approved!

Dec 17-20, 2019, PIERS 2019 was successfully held in Xiamen!

Dec 17, 2019, Fujian EDA center has been approved!

Dec 12, 2019, Our paper, "Caustics from Optical Conformal Mappings", was published on Phys Rev Applied. We propose transformation caustics by applying coordinate transformation to the caustic effect. The limit boundaries of caustics can be used to design devices with asymmetric light propagation or light confinement, thus providing an alternative degree of freedom for metamaterials.

Nov 25, 2019, Our paper, "Photonic zero-energy modes in a metal-based Lieb lattice", was published on New Journal of Physics.

Oct 25, 2019: Our paper, "Light rays and waves on geodesic lenses", was published on Photonics Research.

Sep 24, 2019: Our paper, "Conformal optical devices based on geodesic lenses", was published on Opt. Express. We present a special method for conformal transformation optics based on geodesic lenses with special closed surfaces. The requirement is a continuous refractive index profile of dielectrics, which shows the almost perfect performance of designed devices.

Aug 22, 2019: Our paper (together with Prof. Xiancong Lu), "Effect of truncation on photonic corner states in a Kagome lattice", was published on Opt. Lett . We theoretically present a simple nanophotonics platform, where the photonic corner states can be obtained in high frequencies.

Aug 16, 2019: Our PRL paper on broadband water wave cloak, was published on the cover, selected as Editor's suggestion, and featured in Physics. It was also headlined on Physics Worldand highlighted on Science News.

Aug 1, 2019: Miss Wen Xiao, Mr. Yuhang Yin, Miss Qilin Duan, Miss Shuwen Xue joined the group. Welcome aboard!

July 9, 2019: Our paper (together with Prof. Zhenyu Wang), "Broadband cloak for water waves", was accepted for publication on Phys. Rev. Lett .

July 2, 2019: Our paper (together with Yadong and Prof. Gao), "Mechanism behind angle-asymmetric diffraction in phase-gradient metasurfaces", was accepted for publication on Phys. Rev. Applied.

May 24, 2019: Our paper (together with Yadong, Prof. Chan and Prof. Cummer), "Reversal of transmission and reflection based on acoustic metagratings with integer parity design", was published online on Nature Communications.

Mar 29, 2019: Our paper (together with Profs Hui Liu and Shining Zhu's group), "Conformal singularities and topological defects from inverse transformation optics", was published on Physical Review Applied. In this article, we proposed the "inverse transformation optics", and found that a conformal singularity of a refractive-index profile, with either zero or infinity resulting from a power mapping w=z^a, is equivalent to a topological defect with positive charge or negative charge. We fabricated a device with such a topological defect with positive charge in experiments and its related light-bending functionality with laser beams.

Jan 22, 2019: Our paper, "Maxwell's fish-eye lenses under Schwartz-Christoffel mappings", was published on Physical Review A. In this paper, we designed Maxwell's fish-eye lens in a square shape from a conformal mapping and constructed it into a waveguide, which is of a finite width while having the same imaging properties as the ideal infinite waveguide—the Mikaelian lens.

Jan 18, 2019: Prof. Chen was selected into "the 2018 list of Most Cited Chinese Researchers" by Elsevier.

Jan 10, 2019: Our paper, "Illusion elastics in a fluid background", was published on Physical Review Applied. In this article, by using transformation acoustics based on Fabry-P'{e}rot (FP) resonances, we obtain an illusion such that an arbitrary solid object sounds to be like another solid object in a fluid background.

Dec 4, 2018: Our paper, "Universal multimode waveguide crossing based on transformation optics", collaboration work with Prof. Dingshan Gao from Huazhong University of Science and Technology, was published on Optica. In this article, we demonstrate for the first time a universal multimode waveguide star crossing based on transformation optics, which can handle in principle any number of waveguide modes and any number of crossing channels as well.

Nov 17, 2018: Our paper, "Universal multimode waveguide crossing based on transformation optics", collaboration work with Prof. Dingshan Gao from Huazhong University of Science and Technology, was accepted for publication on Optica.

Nov 1, 2018: Our paper (together with Prof Steven Cummer's group), "Acoustic Imaging with Metamaterial Luneburg Lenses", was published online on Scientific Reports.

Oct 22, 2018: "Imaging along conformal curves" by HY Chen, was published online on Physical Review A. <PDF> Copyright APS

Oct 19, 2018: Our paper (together with Prof Steven Cummer's group), "Compact acoustic retroreflector based on a mirrored Luneburg lens", was published online on Physical Review Materials.

Oct 15, 2018: Our paper (together with Profs Hui Liu and Shining Zhu's group), "Definite photon deflections of topological defects in metasurfaces and symmetry-breaking phase transitions with material loss", was published online on Nature Communications. <PDF> Copyright NPG

Sep 29, 2018: "Imaging along conformal curves" by HY Chen, was accepted for publication on Physical Review A.

Sep 28, 2018: Our work on "Chemical bonds and edge states in a metamolecular crystal" was published on Phys. Rev. B.

Sep 17, 2018: Our PRL work on "Concentrators for Water Waves", was highlighted by Nature: "Water waves grow tall with help from a trick of light".

Sep 7, 2018: Our paper, "Concentrators for Water Waves", collaboration work with Prof. Zhenyu Wang from Zhejiang University, was published on Physical Review Letters, selected as Editors' Suggestion, and Featured in Physics . In this letter, we design and experimentally demonstrate two annular devices for concentrating waves, which employ gradient depth profiles based on Fabry-Pérot resonances. We expect potential applications in coastline ocean engineering.

Sep 1, 2018: Miss Huiyuan Peng, Miss Xiaoting Wu, and Mr. Chuanjie Wu joined the group. Welcome aboard!

July 25, 2018: Our paper, "Concentrators for water waves", collaboration work with Prof. Zhengyu Wang from Zhejiang University, was accepted for publication on Physical Review Letters.

June 19, 2018: Prof. Chen was interviewed by ScienceNet (中国科学报-科学网) on transformation optics and related topics.

May 10, 2018: Our work on "Perfect invisibility concentrator with simplified material parameters" was published on Front. Phys., where we analytically present a two-dimensional perfect concentrator. This work is on the cover story and highlighted by the journal (written by Dr. Philip Ball).

Feb 15, 2018: Our work on "Perfect Undetectable Acoustic Device from Fabry-Pérot Resonances" was published on Physical Review Applied, where we analytically present a three-dimensional perfect undetectable acoustic device from Fabry-Pérot resonances.

Jan 19, 2018: Prof. Chen was selected into "the 2017 list of Most Cited Chinese Researchers" by Elsevier.

Jan 9, 2018: Our work on "Coherent perfect absorption and laser modes in a cylindrical structure of conjugate metamaterials" was published on New J. Phys.

Jan 6, 2018: Our work on "High transmission in a metal-based photonic crystal" was published on Appl. Phys. Lett.

Jan 5, 2018: Our work on "conformal invisible device" was featured by ScienceTrends.comas a synopsis.

Nov 4, 2017: Our work on "conformal invisible device" was published on Front. Phys., where we found a semi-analytical form of conformal invisible device for the first time.

Nov 1, 2017: Prof. Chen was selected into "Min Jiang Scholar Professor".

Oct 16, 2017: Our work on "purely imaginary metamaterials", was published on Physical Review A.

July 28, 2017: Our PRL work on "Conformal Talbot Effect", was highlighted by PhysOrg.com: "Optical lens can transfer digital information without loss".

July 27, 2017: Miss Sicen Tao joined the group. Welcome aboard!

July 19, 2017: Our paper, "Self-focusing and Talbot effect in conformal transformation optics", collaboration work with Profs. Hui Liu and Shining Zhu from Nanjing University, was published on Physical Review Letters and selected as Editors' Suggestion. In this letter, we realize a device of conformal transformation optics and demonstrate its self-focusing property for geometry optics and Talbot effect for wave optics.

June 1, 2017: Mr Pengfei Zhao and Miss Yali Zeng joined the group. Welcome aboard!

March 1, 2017: Miss Yin Chen and Mr Shan Zhu joined the group. Welcome aboard!

Feb 27, 2017: Prof. Chen was selected into "the 2016 list of Most Cited Chinese Researchers" by Elsevier.

Feb 24, 2017: Our paper, "Electromagnetic wave propagations in conjugate metamaterials", was published online on Opt. Express, where we find several interesting properties of conjugate MMs and show a new freedom (loss and gain) in the parameter space (now in three dimensions).

Jan 30, 2017: Our paper, "Stable lossless polaritons on non-Hermitian optical interfaces", was published online on Phys. Rev. B (Rapid Communication), where we find that an optical interface with proper loss and gain, i.e. non-Hermitian optical interface, can support lossless and stable surface polaritons, with metal/dielectric interface as a special case.

Oct 4, 2016: Our review article, "Planar Gradient Metamaterials", was published online on Nature Review Materials . <PDF> Copyright NPG.

Sep 28, 2016: Miss Mengying Zhou and Mr Yangyang Zhou joined the group. Welcome aboard!

Sep 1, 2016: Huanyang Chen joined Xiamen University and set up a new reasearch group.

April 15, 2016: Two of our papers are placed as Top 100 cited/read Scientific Reports articles in 2015, out of almost 11,000 papers in 2015.

January 27, 2016: Our papers, "Fano resonances from gradient-index metamaterials", were published online on Scientific Reports.

January 26, 2016: Prof. Chen was selected into "the 2015 list of Most Cited Chinese Researchers" by Elsevier.

January 6, 2016: Our papers, "Perfect conformal invisible device with feasible refractive indexes", were published online on Physical Review B (Rapid Communication).

July 17, 2015: Our papers, "A broadband polarization-insensitive cloak based on mode conversion", and "Steering light by a sub-wavelength metallic grating from transformation optics", were published online in Scientific Reports.

June 16, 2015: Our papers, "Optical Concentrators with Simple Layered Designs", and "Inhomogeneous field in cavities of zero index metamaterials", were published online in Scientific Reports.

June 8, 2015: Mehdi passed his PhD final defense. Congratulations to Dr. SADEGHI!

May 20, 2015: Qiannan passed her PhD final defense. Congratulations to Dr. WU!

March 3, 2015: Our papers, "Transformation optics with Fabry-Pérot resonances", and "Goos-Hänchen effect in epsilon-near-zero metamaterials", were published online in Scientific Reports.

Feb 2, 2015: Prof. Chen was selected into "the 2014 list of Most Cited Chinese Researchers" by Elsevier.

Dec 15, 2014: Our review article, "Conformal Transformation Optics", was published online on Nature Photonics. <PDF> Copyright NPG. In a focus issue: January 2015 Volume 9, to celebrate the 150th anniversary of the formulation of Maxwell's equations. See also the editorial introduction, A year to remember.

Nov 24 , 2014: Our paper (together with Prof. Steve Cummer's group), "Wavefront modulation and subwavelength diffractive acoustics with an acoustic metasurface", was published online on Nature Communications. <PDF> Copyright NPG

Nov 14, 2014: Our paper (together with Profs. Tomáš Tyc and Aaron Danner), "Invisible lenses with positive isotropic refractive index", was published online on Phys. Rev. A. In this paper, we find that invisibile sphere is not only invisible in geometrical optics but also in wave regime.

Oct 31, 2014: Our paper, "Logarithm conformal mapping brings the cloaking effect", was published online in Scientific Reports. In this paper, we propose a more feasible conformal cloak.

Sep 19, 2014: Our Paper, "Additional modes in a waveguide system of zero-index-metamaterials with defects", was published online in Scientific Reports. In this paper, we correct a common perception in zero-index-metamaterials.

June 23, 2014: Prof. Chen was invited to serve as an Editorial Board Member for Scientific Reports, a journal from Nature Publishing Group.

June 16, 2014: Dr. Yadong Xu joined the group as an Assistant Professor.

May 15, 2014: Yadong passed his PhD final defense. Congratulations to Dr. XU!

March 20, 2014: Our paper, "Playing the tricks of numbers of light sources", was selected as Highlights of 2013 by NJP.

March 10, 2014: Our paper, "Manipulating Transverse Magnetic Modes in Waveguide Using Thin Plasmonic Materials", was accepted for publication in Laser & Photonics Reviews (Impact Factor: 7.976).

Jan 21, 2014: Our paper, "Cloaking and imaging at the same time", was selected as the Issue Cover Image of EPL.

Nov 2, 2013: Our paper, "Transformation optics with Fabry-Pérot resonances", was posted on arXiv: 1311.0384.

Oct 7, 2013: Our paper, "Broadband asymmetric waveguiding of light without polarization limitations", was published online in Nature Communications. <PDF> Copyright NPG

Oct 7, 2013: Our paper, "Transformation optics with artificial Riemann sheets", was accepted for publication in New Journal of Physics.

Sep 5, 2013: Our paper, "Broadband asymmetric waveguiding of light without polarization limitations", was accepted for publication in Nature Communications.

Aug 27, 2013: Our paper, "Playing the tricks of numbers of light sources", was accepted for publication in New Journal of Physics.

Sep 3, 2012: Our review article, "Acoustic cloaking and transformation acoustics", was featured in the new Metamaterials collection of IOP.

Aug 30, 2012: Our paper, "Generalized laws of reflection and refraction from transformation optics", was published on Europhysics Letters (EPL).

Jul 19, 2012: Our paper, "Cloaking and imaging at the same time", was posted on arXiv: 1207.4244.

Aug 18, 2011: Our paper, "On conformal lenses", was posted on arXiv: 1108.3496.

May 6, 2011: Our paper, "Conformal cloak for waves", was published in Phys. Rev. A.

Apr 6, 2011: Our paper, "An Invisibility Cloak Using Silver Nanowires", was published in Plasmonics.

Mar 14, 2011: Our paper, "Total reflection and transmission by ENZ metamaterials with defects", was published in Applied Physics Letters.

Jan 11, 2011: Our paper on "anti-mirror effect"(Overlapped illusion optics: A perfect lens brings a brighter feature) has been accepted for publication in New J. Phys..

Dec 22, 2010: Our artificial EM black hole was highlighted by Materials Today.

Dec 12, 2010: Our experiment of invisible gateway was highlighted by Physics World and New Scientist.

Dec 3, 2010: Our paper, "Experimental Realization of a Circuit-Based Broadband Illusion-Optics Analogue", was published in Physical Review Letters and highlighted by Physics with an editor's Synopsis.

Nov 16, 2010: Our design on an artificial electromagnetic black hole (published in JAP), was highlighted by AIP via EurekAlert!.

Nov 15, 2010: Our preprint on "anti-mirror effect" (arXiv: 1011.0542), was highlighted by PhysOrg.com. The "anti-mirror effect" is a new landscape of the perfect lens that can be employed to make multiple objects appear like only one in the far field, leading to practical applications in lighting systems.

Nov 09, 2010: Our paper, "Experimental realization of a broadband illusion optics device ", has been accepted for publication in Phys. Rev. Lett.

Oct 02, 2010: Our article, "Cloak an illusion", was published in Frontiers of Physics in China.

Sep 27, 2010: Our paper, "A simple design of an artificial electromagnetic black hole", was published in J. Appl. Phys.

Aug 27, 2010: Our paper, "Graded index photonic hole: Analytical and rigorous full wave solution", was published in Physical Review B and selected as "Kaleidoscope".

July 1, 2010: Our paper, "Transformation optics that mimics the system outside a Schwarzschild black hole", was published in Optics Express.

April 29, 2010: Our review article, "Illusion optics", was published in Frontiers of Physics in China.

April 23, 2010: Our review article, "Transformation optics and metamaterials", was published in Nature Materials. <PDF> Copyright NPG

Mar 16, 2010: Our NJP paper on "Electromagnetic gateway" was chosen to be a part of a special collection: The NJP Best of 2009, comprising about 60 papers (4-6 papers in each of NJP's 14 fields) out of about 800 papers publushed in NJP in 2009.

Mar 11, 2010: Our talk on "Non-Euclidean Cloaking for Waves" has been selected in the Image Gallery in March Meeting 2010.

Mar 5, 2010: Our topical review invited by J. Phys. D: Appl. Phys. was published, "Acoustic cloaking and transformation acoustics".

Dec 24, 2009: a preprint of "Transformation optics that mimics the system outside a Schwarzschild black hole" has been posted on arXiv, where we applied the transformation optics to mimic a real black hole system of Schwarzschild form.

Nov 1, 2009: Xiaojiong's work on "transformation media based bending waveguide" was selected as Applied Optics's Cover Story.

Oct 20, 2009: "Electromagnetic gateway" was highlighted by Europhysics News, in Vol. 40 No. 5 Page 08.

Sep 14, 2009: Huanyang Chen joined Soochow University and set up a reasearch group on metamaterials and transformation optics.


News on “acoustic cloak”:

News on “narrow window”:

News on “anti-cloak”:

News on “superscatterer” or “hidden portal”:

News on “external cloak”:

News on “illusion optics”:

News on “tunable electromagnetic gateway”:

EurekAlert PhysOrg.com Beyond the looking glass...

Europhysics News Electromagnetic gateway

spektrumdirekt.de
(the online edition of Germans science magazine "Spektrum der Wissenschaft", the German edition of Scientific American.)
Metamaterialen: Durch das Zaubertor


News on “anti-mirror effect”:

News on “artificial black hole”:

EurekAlert PhysOrg.com Science Daily Artificial black holes made with metamaterials: Design for manmade light trapping device could help harvest light for solar cells

Materials Today Personal black hole: Construct your own EM absorber


News on “experiment of an invisible gateway”:

News on “Conformal Talbot Effect”:

News on “Concentrators for Water Waves”:

News on “Broadband Waveguide Cloak for Water Waves”:

News on “Invisible gateway by superscattering effect of metamaterials”: