Issued as final reportNational Science Foundation (U.S.

Citrin, David S.

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Scholarly Materials And Research @ Georgia Tech

Final Report: 0523923Page 1 of 5Final Report for Period: 08/2010 - 08/2010 Submitted on: 06/04/2011Principal Investigator: Citrin, David S. Award ID: 0523923Organization: Georgia Tech Research CorpSubmitted By: Citrin, David - Principal InvestigatorTitle:Enabling Foundations of NanoplasmonicsProject ParticipantsSenior PersonnelName: Citrin, DavidWorked for more than 160 Hours: YesContribution to Project: Post-docGraduate StudentName: Xia, ZhixuanWorked for more than 160 Hours: YesContribution to Project: Developed code and carried out electromagnetic simulations.Name: Rontani, DamienWorked for more than 160 Hours: YesContribution to Project: Worked on nonlinear dynamics in lasers.Name: Backes, ThomasWorked for more than 160 Hours: YesContribution to Project: Worked on surface-polariton dispersion in two-dimensional nanoparticle arrays.Name: Kim, Dong KwonWorked for more than 160 Hours: YesContribution to Project: Worked on electro-optic effect in quantum wells.Name: Bai, JingWorked for more than 160 Hours: YesContribution to Project: Worked on intracavity nonlinearities in quantum-cascade lasers.Name: Kim, Dae SinWorked for more than 160 Hours: YesContribution to Project: Worked on THz dynamics.Undergraduate StudentTechnician, ProgrammerFinal Report: 0523923Page 2 of 5Other ParticipantResearch Experience for UndergraduatesOrganizational PartnersHuazhong University of Sci and TechnolHUST grad student Junbo Feng spent eight months of the review period in my group at Georgia Tech carrying out structure fabrication.  Costswere born by HUST.  In addition, the PI spent one month at the expense of HUST at HUST.  Prof. Zhiping Zhou's group of HUST has alsobeen providing theoretical support and optical characterization.Technical University of Troyes, FranceUniversity of Minnesota-Twin CitiesProf. Ruden and I coadvised PhD student Chi-Ti Hsieh who worked on the theory of light emission from carbon nanotube field effecttransistors.Federal University of Campina GrandeProf. Adriano Batista and I worked on THz npnlinear dynamics in quantum wells.Other Collaborators or ContactsProf. Chris Summers, School of Materials Science and Engineering, Georgia Institute of TechnologyProf. Zhiping Zhou, Huazhong University of Science and Technology, Wuhan, PR ChinaProf. Hamza Kurt, TOBB University of Economics and Technology, Ankara, TurkeyProf. Abdallah Ougazzaden, School of Electrical and Computer Engineering, Georgia Institute of TechnologyProf. Diddier Lippens, IEMN, Lille, FranceProf. Andrei Fedorov, School of Mechanical Engineering, Geogia Institute of TechnologyProf. Pascal Royer and Dr. Detrio Mascias, Technical University of Troyes, FranceActivities and FindingsResearch and Education Activities:We have conducted simulations of the optical properties of periodic arrays of metal nanoparticles in conjunction with other optical media, suchas an optical gain medium.  We have focused on two-dimensional nanoparticle arrays and continued work on quantum-cascade lasers to exploreintegration of nanoparticle structures with these devices.  In addition, we have been exploring photothermal effects for nanoscale heating incollaboration with Prof. Andrei Federov of the School of Mechanical Engineering at Georgia Tech.Findings:Please see attached file.Training and Development:The six graduate students funded under this program have carried out a range of simulations of various physical properties of nanoparticlearrays and related phenomena that are being used in conjunction with the arrays.  These include the optical and thermal properties of metalnanoparticle arrays and the laser characteristics of quantum-cascade lasers.  In all case, the students have had to master the theory as well aswrite their own code to solve the problems.Final Report: 0523923Page 3 of 5Outreach Activities:The PI has given a number of seminars and colloquia--primarily in Europe but also in Brazil--in a general science or engineering context tobroaden awareness of nanoplasmonics.  He has also hosted a graduate student from Huazhong University of Science and Technology (HUST),PR Wuhan, China.Journal PublicationsChen, Y; Feng, JB; Zhou, ZP; Yu, J; Summers, CJ; Citrin, DS, "Fabrication of silicon microring resonator with smooth sidewalls", JOURNALOF MICRO-NANOLITHOGRAPHY MEMS AND MOEMS, p. , vol. 8, (2009). Published, 10.1117/1.325848Lerche, I; Tautz, RC; Citrin, DS, "Terahertz-sideband spectra involving Kapteyn series", JOURNAL OF PHYSICS A-MATHEMATICALAND THEORETICAL, p. , vol. 42, (2009). Published, 10.1088/1751-8113/42/36/36520Yi, HX; Citrin, DS; Zhou, ZP, "Highly sensitive silicon microring sensor with sharp asymmetrical resonance", OPTICS EXPRESS, p. 2967,vol. 18, (2010). Published, Yi, HX; Citrin, DS; Chen, Y; Zhou, ZP, "Dual-microring-resonator interference sensor", APPLIED PHYSICS LETTERS, p. , vol. 95, (2009).Published, 10.1063/1.326372Kim, DK; Citrin, DS, "Electrooptic properties of InGaAsP asymmetric double quantum wells: Enhanced slope efficiency in waveguideelectroabsorption modulators", IEEE JOURNAL OF QUANTUM ELECTRONICS, p. 765, vol. 43, (2007). Published,10.1109/JQE.2007.90278Kim, DK; Citrin, DS, "Electric-field-induced strong mixing between e1-hh1 and e1-hh2 excitons in asymmetric double quantum wells",PHYSICAL REVIEW B, p. , vol. 76, (2007). Published, 10.1103/PhysRevB.76.12530Kim, DK; Citrin, DS, "1 THz modulation in InGaAsP multiple quantum wells for 40 Gb/s applications", IEEE JOURNAL OF SELECTEDTOPICS IN QUANTUM ELECTRONICS, p. 416, vol. 14, (2008). Published, 10.1109/JSTQE.2007.91175D. K. Kim and D. S. Citrin, "Strong excitonic mixing effect in asymmetric double quantum wells: On the performance of electroabsorptionmodulators", Phys. Stat. Sol. (c), p. 2400, vol. 5, (2008). Published,  Kurt, H; Hao, R; Chen, Y; Feng, J; Blair, J; Gaillot, DP; Summers, C; Citrin, DS; Zhou, Z, "Design of annular photonic crystal slabs", OPTICSLETTERS, p. 1614, vol. 33, (2008). Published, Kurt, H; Citrin, DS, "Reconfigurable multimode photonic-crystal waveguides", OPTICS EXPRESS, p. 11995, vol. 16, (2008). Published, Kurt, H; Citrin, DS, "A novel optical coupler design with graded-index photonic crystals", IEEE PHOTONICS TECHNOLOGY LETTERS, p.1532, vol. 19, (2007). Published, 10.1109/LPT.2007.90385Hou, J; Wu, HM; Citrin, DS; Mo, WQ; Gao, DS; Zhou, ZP, "Wideband slow light in chirped slot photonic-crystal coupled waveguides",OPTICS EXPRESS, p. 10567, vol. 18, (2010). Published, Gao, DS; Zhou, ZP; Citrin, DS, "Self-collimated waveguide bends and partial bandgap reflection of photonic crystals with parallelogramlattice", JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION, p. 791, vol. 25, (2008).Published, Citrin, DS, "Laser physics - A phase it's going through", NATURE, p. 669, vol. 449, (2007). Published, 10.1038/449669J. Bai and D. S. Citrin, "Design of nonlinearity-enhanced quantum-cascade lasers", Optics and Quantum Electronics, p. 191, vol. 40, (2008).Published,  Final Report: 0523923Page 4 of 5Citrin, DS; Wang, Y; Zhou, ZP, "Far-field optical coupling to semi-infinite metal-nanoparticle chains", JOURNAL OF THE OPTICALSOCIETY OF AMERICA B-OPTICAL PHYSICS, p. 937, vol. 25, (2008). Published, Hsieh, CT; Citrin, DS; Ruden, PP, "Recombination-mechanism dependence of transport and light emission of ambipolar long-channelcarbon-nanotube field-effect transistors", APPLIED PHYSICS LETTERS, p. , vol. 90, (2007). Published, 10.1063/1.242902Backes, TD; Citrin, DS, "Plasmon Polaritons in 2-D Nanoparticle Arrays", IEEE JOURNAL OF SELECTED TOPICS IN QUANTUMELECTRONICS, p. 1530, vol. 14, (2008). Published, 10.1109/JSTQE.2008.200791Backes, TD; Citrin, DS, "Excitation of nonradiative surface-plasmon-polariton beams in nanoparticle arrays", PHYSICAL REVIEW B, p. , vol.78, (2008). Published, 10.1103/PhysRevB.78.15340Yi, HX; Citrin, DS; Zhou, ZP, "Highly Sensitive Athermal Optical Microring Sensor Based on Intensity Detection", IEEE JOURNAL OFQUANTUM ELECTRONICS, p. 354, vol. 47, (2011). Published, 10.1109/JQE.2010.209003Books or Other One-time PublicationsBenjamin Zaks, Dominik Stehr, Stephen Hughes, Alex Maslov, David Citrin, Mark Sherwin, "Asymmetric Autler-Townes Effect inTHz-Driven Quantum Wells: Beyond the Three State and Rotating Wave Approximations", (2010). Conference Proceedings, AcceptedCollection: Proceedings of the Conference on Lasers and Electro-Optics (CLEO) 2010Bibliography: Published online at www.osa.orgWeb/Internet SiteOther Specific ProductsContributionsContributions within Discipline: We have continued to supply to the community a set of analytic techniques that enable closed-form solution to various problems--in particularthose involving gain media.  This is enabling progress in an area where central problems might otherwise be intractible. In addition, we have introduced the idea of vector optical filters based on noble-metal nanoparticle arrays and dielectric interfaces.  This isfundamentally different from using various spatially varying gratings or diffractive elements, in that the nanoparticle array functions as aspatially uniform metamaterial.Contributions to Other Disciplines: Under this program, we have been exploring the use of nanoplasmonic structures to control photothermal effects in media incorporating metalnanoparticles.  Namely, we are working on the use of nanoparticle clusters, chains, and arrays to attain nanoscale control of heat delivery intothe embedding medium.The paper Lerche, I; Tautz, RC; Citrin, DS, 'Terahertz-sideband spectra involving Kapteyn series,' J. PHYS. A, 2009 carries out a closed formsummation of a series of Bessel functions that has hitherto not been performed.In studying the nonlinear dynamics of lasers in preparation to coupling them to nanoparticle systems, we have identified novel ways tomultiplex chaotically encrypted signals.Contributions to Human Resource Development: Six graduate students were partially supported by this project.  These students obtained advanced training in the science and engineering ofmetal nanoparticles and other optical media to be used in conjunction with the nanoparticles.  A visiting graduate Jin Hou student fromFinal Report: 0523923Page 5 of 5Huazhong University of Science and Technology (who did not receive financial support from the program) worked in my group from October2009 to present on photonic crystals, including in some cases metallic structures.Contributions to Resources for Research and Education: Work under this program has helped to cement a cooperation with students and researchers at HUST, Wuhan, China.  We have also begun toexplore a cooperation with Prof. Pascal Royer of the Technical University of Troyes, France.  His group works in part on photothermal effectsof nanoparticles in conjunction with other media.Contributions Beyond Science and Engineering:  Conference ProceedingsBai, J;Citrin, DS, Harmonic-resonance enhanced third-harmonic generation and Kerr-effect in mid-infrared quantum-cascade lasers - art. no.699707, "APR 07-09, 2008", SEMICONDUCTOR LASERS AND LASER DYNAMICS III, 6997: 99707-99707 2008Bai, J;Citrin, DS, Design of nonlinearity-enhanced quantum-cascade lasers, "MAR 28-30, 2007", OPTICAL AND QUANTUMELECTRONICS, 40 (2-4): 191-195 MAR 2008Hao, R;Kurt, H;Citrin, DS;Zhou, ZP, The complete bandgap in ring-shaped photonic crystal SOI slab, "SEP 17-19, 2008", 2008 5TH IEEEINTERNATIONAL CONFERENCE ON GROUP IV PHOTONICS, : 291-293 2008Hao, R;Mao, A;Feng, J;Gao, D;Zhou, Z;Citrin, DS, Silicon based ultra-compact modulator with photonic crystal - art. no. 67820Z, "NOV02-05, 2007", OPTOELECTRONIC MATERIALS AND DEVICES II, 6782: Z7820-Z7820 Part 1-2 2007Hsieh, CT;Citirin, DS;Ruden, PP, Photoconductivity of Ambipolar Long-Channel Carbon-Nanotube Field-Effect Transistors, "MAY 04-09,2008", 2008 CONFERENCE ON LASERS AND ELECTRO-OPTICS & QUANTUM ELECTRONICS AND LASER SCIENCECONFERENCE, VOLS 1-9, : 2461-2462 2008Rontani, D;Locquet, A;Sciamanna, M;Citrin, DS, Masking the time-delay of the chaotic output of an external-cavity laser - art. no. 69970D,"APR 07-09, 2008", SEMICONDUCTOR LASERS AND LASER DYNAMICS III, 6997: D9970-D9970 2008Categories for which nothing is reported: Any Web/Internet SiteAny ProductContributions: To Any Beyond Science and Engineeringρρρζζ ζζ ζζ ζ ζζζζζ- ζρρζ-θθ 

Enabling foundations of nanoplasmonics

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Enabling foundations of nanoplasmonics

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Scholarly Materials And Research @ Georgia Tech