Novemebr 2012, our paper "Hybrid spiral plasmonic lens: towards an efficient miniature circular polarization analyzer" is now published in Optics Express.
October 2012, our paper "Encoding photonic angular momentum information onto surface plasmon polaritons with plasmonic lens" in colaboration with Prof. Xifeng Ren's group at USTC is now published in Optics Express.
September 2012, hear Prof. Zhan talks about the "Hot Topics in Optical Design, Fabrication and Instrumentation" that highlights some of the key topics to be covered by the Frontier in Optics (FiO) Conference 2012 on YouTube.
Septemebr 2012, Prof. Zhan is invited to serve as the Chair for the Polarization Technical Group of the OSA for a three-year term.
August 2012, Prof. Zhan's latest patent on "Methods of polarization engineering and their applications" is awadred by the USPTO with patent number 8,248,599.
August 2012, Prof. Zhan delivered an invited talk "Plasmonic antennas as building blocks for spin optics and quantum optics applications" at the Spintronics Conference at the SPIE Optics+Photonics Symposium held in San Diego, CA.
August 2012, "Beaming circularly polarized photons from quantum dots coupled with plasmonic spiral antenna" co-authored by Guanghao Rui, Dr. Weibin Chen, Dr. Don C. Abeysinghe, Dr. Robert L. Nelson, andProf. Zhan is published in Optics Express.
August 2012, "Beaming photons with spin and orbital angular momentum via a dipole-coupled plasmonic spiral antenna" co-authored by Guanghao Rui, Dr. Robert Nelson and Prof. Zhan is published in Optics Express.
July 2012, our paper ""Generating cylindrical vector beams with subwavelength concentric metallic gratings fabricated on optical fibers" was selected as one of the "Highlights of 2011" papers of Journal of Optics.
July 2012, according to IOP, our paper "Diffraction limited focusing with controllable arbitrary three-dimensional polarization" was one of Journal of Optics top cited articles of 2010 and 2011.
July 2012, Jian Gao successfully defended his doctoral dissertation. Congratulations, Dr. Gao!
May 2012, Mr. Wei Han is awarded the prestigious Graduate School Dissertation Year Fellowship. Congratulations to wei and we are thankful for the support from the Graduate School!
May 2012, Dr. Weibin Chen joins Seagate as Senior Design Engineer. Dr. Chen has been a long time invaluable member to the group. Congratulations and we wish him the best!
May 2012, "Creation of uniform three-dimensional optical chain through tight focusing of space-variant polarized beams" co-authored by Prof. Jiming Wang, Dr. Weibin Chen and Prof. Zhan is published in Journal of Optics.
April 2012, "Efficient miniature circular polarization analyzer design using hybrid spiral plasmonic lens," co-authored by Dr. Weibin Chen, Dr. Robert Nelson and Prof. Zhan is published in Optics Letters.
April 2012, Wei Han, Wen Cheng and Zhenyu Yang are awarded Graduate School Summer Fellowships. Congratulations!
February 2012, "Geometrical phase and surface plasmon focusing with azimuthal polarization," co-authored by Dr. Weibin Chen, Dr. Robert Nelson and Prof. Zhan is published in Optics Letters.
December 2011, "Circularly polarized unidirectional emission via a coupled plasmonic spiral antenna" co-authored by Guanghao Rui, Dr. Robert Nelson and Prof. Zhan is published in Optics Letters. Congratulations, Guanghao!
October 2011, Prof. Zhan dilivered an invited talk "Plasmotics with Spatially Engineered Polorization" at the Special Symposium - Plasmonics in Detectors and Solar Cells of IEEE Photonics Society Annual Meeting in Arlington, VA.
October 2011, "Experimental confirmation of strong fluorescence enhancement using one-dimensional GaP/SiO2 photonic band gap structure" co-authored by Jian Gao, Andrew Sarangan and Prof. Zhan is published in Optics Materials Express. Congratulations, Jian!
May 2011, Mr. Zhi Wu successfully defended his doctoral dissertation work on "Design fabrication and characterization of subwavelength metallic structures." Zhi will join KLA Tencor at the Silicon Valley after graduation.Congratulations, Dr. Wu!
April 2011, Prof. Zhan received the Noland Award for Distinguished Faculty Research from the UD Chapter of Sigma Xi. Sigma Xi is the Scientific Research Society with more than 60000 scientists and engineering elected members.
April 2011, Focal field engineering works in Prof. Zhan's group is featured in a SPIE Newsroom Article: "Engineering focal field properties in optical microscopy." Prof. Jiming Wang and Dr. Weibin Chen are the main contributors to this work.
March 2011, "Flattop focusing with Full Poincaré Beams under low numerical aperture illumination" co-authored by Wei Han, Wen Cheng and Prof. Zhan is accepted for publication in Optics Letters. Congratulations, Wen and Wei!
March 2011, "Three-dimensional focus engineering using dipole array radiation pattern" co-authored by Prof. Jiming Wang, Dr. Weibin Chen and Prof. Zhan is accepted for publications in Optics Communications.
March 2011, "High efficiency plasmonic probe design for parallel near-field optics applications" co-authored by Guanghao Rui, Weibin Chen and Prof. Zhan is published in Optics Express. Congratulations, Guanghao!
February 2011, Prof. Qiwen Zhan has been elected to the grade of Senior Member by IEEE.
February 2011, "High-index low-loss gallium phosphide thin films fabricated by radio frequency magnetron sputtering
Thin Solid Films," co-authored by Jian Gao, Prof. Andrew Sarangan and Prof. Zhan is accepted for publication in Thin Solid Films. Congratulations, Jian!
January 2011, Dr. Weibin Chen presented his work in Prof. Zhan's group as an invited speaker at the SPIE Photonics West Conference. The title of the talk is "Design and construction of an electro-optics rf metamaterial array."
December 2010, Prof. Zhan gave an invited Optics and Optical Engineering seminar at University of Science and Technology of China on “Antenna radiation and optimal plasmonic nanofocusing.”
December 20, 2010, Prof. Zhan visited the Applied Physics Department of Nanjing University of Aeronautics and Astronautics and gave an invited seminar on "Spatially variant polarization and its applications in nanoscale optical imaging and manipulation."
December 14, 2010, Prof. Zhan visited the Bioengineering Division and the Data Storage Institute of Nantional University of Singapore and gave a seminar on "Spatially variant polarization and its applications in nanoscale optical imaging and manipulation."
December 2010, Prof. Zhan delivered an invited talk “Antenna radiation and optimal plasmonic nanofocusing,”at the IEEE Photonics Global Conference 2010, Singapore (December 14-December 16, 2010).
Decemeber 10, 2010, Prof. Zhan visited Hong Kong University of Science and Technology and gave a seminar at the William Mong Institute of Nano Science and Technology & Department of Physics on "Spatially variant polarization and its applications in nanoscale optical imaging and manipulation."
December 2010, our work on Spiral Plasmonic Lens has been selected to appear in the "Optics in 2010" December Special Issue of the Optics & Photonics News (OPN). This special issue highlights the most exciting peer-reviewed optics research that emerged over the past 12 months.
November 2010, our paper "Generating cylindrical vector beams with subwavelength concentric metallic gratings fabricated on optical fibers" (J. Opt. 13, 015003, 2011) is now published by Journal of Optics online.
October 2010, two post deadline submissions that Prof. Zhan co-authored were accepted for presentation at the Frontiers in Optics (FiO 2010) conference held in Rochester, NY. The first paper "High Purity Optical Needle Field with Ultra-Long Depth of Focus" is co-authored with Dr. Weibin Chen and Prof. Jiming Wang. The second paper "Three Dimensional Imaging of Nanoparticle Ensemble Trapped by Cylindrical Vector Beam" is co-authored with Dr. Liangcheng Zhou and Prof. Daniel Ou-yang at the Lehigh University (funded through the NSF MRI program).
October 2010, Prof. Zhan is invited to serve as a Topical Editor for Applied Optics, the most widely read peer reviewed journal published by the Optical Society of America (OSA). Published three times each month, Applied Optics reports significant optics applications from optical testing and instrumentation to medical optics...from holography to optical neural networks...from lidar and remote sensing to laser materials processing. His three-year term started on October 1, 2010.
October 2010, Dr. Jiming Wang successfully competed his six months visit to Prof. Zhan's group and returned to Nanjing University of Aeronautics and Astronautics, Nanjing, China. During his stay, Dr. Wang published one paper in Optics Express with two more manuscripts under review/preparation.
September 2010, Mr. Guanghao Rui joined Prof. Zhan's group as a visiting scholar. Guanghao is from the Department of Optics and Optical Engineering at the University of Science and Technology of China where Prof. Zhan holds a Guest Professorship. Guanghao will stay with the group for 18 months. He already had three journal publications with Prof. Zhan. Welcome aboard!
September 2010, our paper "Engineering of high purity ultra-long optical needle field through reversing the electric dipole array radiation" co-authored by Dr. Jiming Wang, Dr. Weibin Chen and Prof. Zhan is accepted by Optics Express for publication. Congratulations, Dr. Wang!
September 2010, "" co-authored by Dr. Weibin Chen and Prof. Zhan is accepted by Optics Communications for publication.
August 2010, a paper with the title of "Generation of enhanced evanescent Bessel beams using band-edge resonance" is accepted by Journal of Applied Physics for publication.
July 2010, Press Coverage in "Adding fiber pays off for industry," Photonics Spectra, July 2010.
June 2010, Mr. Jian Gao is awarded SPIE Travel Scholarship to attend the SPIE Optics and Photonics Conference (Annual Meeting) at San Diego, CA. Congratulations!
The International Conference on Nanophotonics (ICNP) 2010 has been successfully held in Tsukuba, Japan, May 30-June 3, 2010. Prof. Zhan serves the conference technical committee co-chair. The conference was a huge success. More than 300 researchers from 31 countries attended this conference. Four best student paper awards and seven best poster paper awards were given at the conference as well. The next conference (ICNP2011) will be held in Shanghai China, May 22-26, 2011. Fudan University will host the event.
May 2010, news release by the Optical Society of America (OSA), "Breakthroughs in Unconventional Polarization States of Light". This focus issue was reported by many news outlets, including Nature Photonics, Physics Today, physorg, photonics spectra, nanowerks, esciencenews, eurekalert, azonano, nanopatentsandinnovations, innovation-report, photononline etc.
May 2010, with Prof. Thomas Brown at the Institute of Optics, University of Rochester, Prof. Zhan organized and guest edited the Optics Express Focus Issue on Unconventional Polarization States of Light (UPSL). Totally 16 papers were contributed by researchers around the globe.
May 2010, our manuscript "Vectorial fiber laser using intracavity axial birefringence" authored by Mr. Renjie Zhou and Prof. Zhan, in collaboration with Prof. Peter Powers, Prof. Joseph Haus, is published in Optics Express Focus Issue on Unconventional Polarization States of Light (UPSL). Congratulations, Renjie!
May 2010, our manuscript " Dr. Don Abeysinghe and Dr. Robert Nelson, has been accepted for the publications in Nano Letters. Congratulations, Weibin!" authored by Dr. Weibin Chen and Prof. Zhan, in collaborations with
April 2010, one of our latest manuscript " Dr. Don Abeysinghe and Dr. Robert Nelson, has been accepted for the publications in Optics Letters. Congratulations, Zhi and Weibin!" co-authored by Mr. Zhi Wu, Dr. Weibin Chen and Prof. Zhan, in collaborations with
April 2010, Dr. Weibin Chen received the Graduate Research Award from Sigma Xi, the Scientific Research Society, for his significant achievements during his graduate studies in Prof. Zhan's group. Congratulations!
April 2010, Prof. Jiming Wang from the Physics Department at Nanjing University of Aeronautics and Astronautics joined Prof. Zhan's group. Dr. Wang will spend 6 months working on optical focal engineering and super-resolution. Welcome, Prof. Wang!
April 2010, Mr. Renjie Zhou successfully defended his mater thesis on "Development of high power fiber laser techniques". Congratulations, Renjie! Renjie will continue his doctoral study at the Optical Sciences Center, University of Arizona.
On March 18, Alain Tschimwang successfully defended his doctoral dissertation "Building and testing a high spatial resolution nulling microellipsometer using rotational polarization symmetry". Congratulations, Dr. Tschimwang!
On March 17, a manuscript "" co-authored by Dr. Weibin Chen and Prof. Qiwen Zhan has been accepted for the publication in Journal of Optics (Journal of Optics, 12, 045707, 2010).
A manuscript “High spatial resolution nulling microellipsometer using rotational polarization symmetry” co-authored by Alain Tschimwang and Prof. Zhan is published in Applied Optics, February 2010 (Appl. Opt. 49, 1574-1580, 2010). Congratulations, Alain!
Sponsored by the OSA national traveling lecturer program, Prof. Zhan delivered an seminar at the OSA-MN section on "Spatial Polarization Engineering and Its Applications in Optical Engineering," St Paul, MN, February 18, 2010.
Invited by the 3M Optics Chapter, Prof. Zhan gave an seminar on "Optimal Plasmonic Focusing for Thin Film Metrology Applications beyond Diffraction Limit," St Paul, MN, February 18, 2010.
Prof. Zhan gave an invited talk "Optimal Plasmonic Focusing through Matching Plasmonic Lens Structure to Illumination Conditions" at the SPIE Photonics West, San Francisco, CA, January 2010.
Prof. Zhan Guest Edited a special issue on Nanophotonics published in the Journal of Nonlinear Optical Physics & Materials (JNOPM), Volume 18, Issue 4, December, 2009.
In collaborations with Dr. Don Abeysinghe and Dr. Robert Nelson, Dr. Weibin Chen and Prof. Zhan published a recent work on “Plasmonic Lens made of Multiple Concentric Metallic Rings under Radially Polarized Illumination” in Nano Letters (Nano Lett.,9, 4320–4325, (2009)). Congratulations, Weibin!
Prof. Zhan's group published a paper that describes the smallest circular polarization analyzer using spiral plasmonic lens. (S. Yang, W. Chen, R. Nelson and Q. Zhan, "Miniature circular polarization analyzer with spiral plasmonic lens," Opt. Lett. 34, 3047-3049 (2009)). A provisional patent was filed. This work is also highlighted by the SPIE Newsroom.
Mr. Renjie Zhou, published a recent work on fiber lasers that can produce switchable cylidrical vector output in the Applied Physics Letters. Currently this fiber laser holds the record level of output power of its kind. Congratulations, Renjie! (R. Zhou, B. Ibarra-Escamilla, P. E. Powers, J. W. Haus and Q. Zhan, “Fiber Laser Generating Switchable Radially and Azimuthally Polarized Beams with 140 mW Output Power at 1.6 µm Wavelength,” Appl. Phys. Lett., 95, 191111 (2009)).
Invited by the forum organizer, Prof. Zhan gave an invited talk with the title of "Towards arbitrary control of optical focal field with vectorial laser beams and their applications in optical trapping" at the Eastern Science and Technology Forum on “Vector beams and their applications in optical micromechanics,” Shanghai, China, November 2009. This is the second invited talk Prof. Zhan gave at the Forum series.
Prof. Zhan gave an invited talk "Optical imaging instrumentation with spatially engineered polarization" at the Frontier in Optics (FiO, OSA Annual meeting), San Jose, CA, October, 2009.
Invited by the forum organizer, Prof. Zhan gave an invited talk with the title of "Recent Developments in Metallic Subwavelength Structures and Their Applications" at the Eastern Science and Technology Forum on “Micro and Nano Optics,” Shanghai, China, August 2009.
August 2009. Prof. Zhan's research labs moved into the new Electro-Optics program facilities in the College Park Center (CPC).
The OSA Nanophotonics Topical Meeting 2009 Call for Papers
Prof. Zhan will give an invited talk "Optimal Plasmonic Focusing with Thin Film Metrology Applications" at the German Physics Society Spring Meeting to be held in Dresden, March 2009.
Prof. Zhan's review article "Cylindrical vector beams: from mathematical concepts to applications" appeared in the inaugural issue of the OSA's Advances in Optics and Photonics, January 2009.
Weibin Chen's manuscript "Realization of evanescent Bessel beam via surface plasmon interference excited by radially polarized beam" has been accepted for publications in Optics Letters, January 2009. Congratulations.
Prof. Jiangeng Xue from University of Florida will visit us on Jan. 23 and give a seminar on "Organic Optoelectronic materials and devices."
October 2008, Prof. Zhan visited Prof. Daniel Ou-yang's group at Lehigh University and gave a seminar "Cylindrical vector beams and their applications in nanoscale imaging and manipulation."
August 2008, Zhi Wu's manuscript "Optical characterization of wiregrid micropolarizers designed for infrared imaging polarimetry," (Opt. Lett. 33, 1653-1655 (2008)) was accepted for publication in Optics Letters. This paper is the number 2 downloaded paper in Optics Letters of the month.
May 2008, the second OSA Topical Conference on Nanophotonics was successfully held in Nanjing. The next conference will be held between May 11 to May 14, 2009 in Harbin, China. Prof. Zhan co-chairs this conference with Prof. Qihuang Gong (Peking University) and Prof. Xiudong Sun (Harbin Institute of Technology). See you in Harbin!
June 2008, Wen Cheng and Alain Tschimwang were awarded the DAGSI Scholarship. Congratulations!
May 2008,Weibin Chen received a SPIE Student Travel Grant to attend the SPIE Photonics West meeting in San Jose in 2009, where he will report recent results on “Direct imaging of surface plasmon excitation with radially polarized beam.” Congratulations!
April 2008, Prof. Zhan's paper (Q. Zhan and J. Leger, "Focus shaping using cylindrical vector beams," Opt. Express 10, 324-331 (2002)) was the number 2 top downloaded paper of the month.
April 2008. Zhi Wu's manuscript "Plasmonic electro-optic modulator design using a resonant metal grating," (Opt. Lett. 33, 551-553 (2008)) was accepted for publication in Optics Letters.
Decemeber 2007, Zhi Wu, an EO graduate student, co-author a manuscript "Plasmonic Electro-Optic Modulator Design Using Resonant Metal Grating". The manuscript was submitted to Optics Letters.
September 2007, Alain Tschimwangan was awarded the 2007 Applied Materials Fellowship. Congratulations!
July 2007, Shuangyang Yang was awarded the University of Dayton Bio-engineering Innovation Incentive Research Fellowship. Congratulations!
June 2007, Weibin Chen's paper "Field Enhancement due to Optimal Plasmonic Focusing in a Near-field Scanning Optical Microscope Probe" won the Best Student Paper Award at the OSA Topical Conference on Nanophotonics. This award is sponsored by the IEEE-LEOS. Congratulations!
June 2007, the OSA Topical Conference on Nanophotonics was big success. This is the first OSA topical conference held in China. The next conference will be held between May 26 to May 29 in Nanjing, China. See you in Nanjing!
June 2007, Prof. Zhan delivered an invited talk "Optimal Plasmonic Focusing and Field Enhancement for Semiconductor Metrology Applications" at the 6th Asian Pacific Near-field Optics (APNFO-6) held in Yellow Mountain, China.
June 2007, Prof. Zhan visited South East University and delivered an invited seminar "Nanometrology using Spatially Inhomogeneous Polarization".
June 2007, Zhi Wu, was awarded the DAGSI Fellowship. Congratulations!
Great News! A multi-university team lead by UD EO program and UDRI won a $28M Wright Center for Innovation (WCI) award to establish a center of excellence in sensor technology (remote sensing and Chem-Bio Sensing).
The OSA Nanophotonics Topical Meeting Call for Papers
The 6th Asia-Pacific Conference on Near-Field Optics Call for Papers
Mr. Shuangyang Yang, who recently joint the EO program, obtained our first multiphoton signal with Ti:Sapphire Laser. Shuangyang is working with Prof. Powers and Prof. Zhan on bio-imaging.
The EO program welcome the largest group of incoming students from China. Among the new students joined the EO program this fall, seven of them are from top tier universities in China, such as Zhejiang University, Nanjing University, Haerbin Institute of Technology. Welcome!
August 2006, Prof. Zhan's work on nano-Raman was selected as a successful story by the OBOR.
August 2006, Alain Tschimwangan was awarded the University of Dayton Bio-engineering Innovation Incentive Research Fellowship. Alain is working in Prof. Zhan's group. Congratulations!
July 2006, provisional patent US60/805,370 "Methods of polarization engineering and their applications" was filed based on Prof. Zhan's invention. License agreements for this invention have been negotiated with commercialization partners.
June 2006, Prof. Zhan co-taught the "Nanophotonics" shortcourse at the SPIE Great Lakes Photonics Symposium in Dayton, OH. Weibin and Alain presented their works at the Symposium. Prof. Zhan was author and co-author of 5 presentations (one invited) at the conference.
May 2006, one paper authored by Prof. Liming Dai's group was accepted by the Journal of Physical Chemistry B. Prof. Zhan is a co-author of this paper.
May 2006, one paper co-authored by Prof. Haus, Prof. Zhan and Zasim Mozumder (EO student) was published by Optics Express (J. W. Haus, Z. Mozumder, and Q. Zhan, "Azimuthal modulation instability for a cylindrically polarized wave in a nonlinear Kerr medium," Opt. Express 14, 4757-4764 (2006)).
April 2006, Prof. Zhan delivered an invited seminar at the Physics Department of Xavier University.
April 2006, NIR NSOM imaging of Si micro-optics was successfully obtained by Prof. Zhan's group.
April 2006, Mr. Weibin Chen, an EO student in Prof. Zhan's group, won the full DAGSI fellowship. Congratulations!
April 2006, Prof. Changhe Zhou from Shanghai Institute of Optics and Fine Mechanics, CAS, visited and delivered an EO seminar.
March 2006, two papers authored by Prof. Zhan were accepted for publications in Optics Letters. One paper co-authored by Weibin Chen and Prof. Zhan was accepted for publication in Optics Communications.
March 2006, Mr. Weibin Chen was offered the SPIE scholarship and the Graduate School Summer Research Fellowship. Great job!
January 2006, Prof. Zhan and Prof. Haus delivered invited talks "Roads to Nanometrology at Optical Frequency" at the Fraunhofer Institute IZFP-Dresden and the Center for Nanotechnology (CNT).
October, 2005. Dr. Zhan will attend the OSA Frontier in Optics (FiO) 2005 and give two presentations. He will also co-teach a Nanophotonics short course at the conference with Dr. Haus and Dr. Sarangan.
August, 2005. Mr. Weibin Chen joined Prof. Zhan's group. Weibin obtained his BS and MS degrees from Zhejiang University. He will work on nano-Raman.
August, 2005. In collaboration with MLPC, a STTR phase II project is awarded by the MDA. Dr. Zhan serves the PI from UD.
June, 2005. The multi-university team (UD, U. Akron, OSU (lead)) won a $22.5M Wright Center for Innovation (WCI) award to establish a center for multi-functional polymer devices research and commercialization. Prof. Zhan's group is expected to play important role in this program.
May, 2005. Alain Tschimwangan, an EO student in Prof. Zhan's group, won the DAGSI Scholarship for tuition. Alain is working on a new microellipsometer project. Congratulations!