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Houtong Chen

Houtong Chen

Email
Phone (505) 665-7365

Capabilities

  • CINT
  • Property Measurements

Expertise

Terahertz science and technology

Electromagnetic metamaterials

Nanophotonics

Ultrafast spectroscopy

Education

Ph.D., 2004, Physics, Rensselaer Polytechnic Institute

M.S., 2000, Physics, University of Science & Technology of China

B.S., 1997, Physics, University of Science & Technology of China

 

Professional Appointments

07/2015 - present, Technical Staff Member (Scientist 4), Los Alamos National Laboratory

06/2011 - 07/2015, Technical Staff Member (Scientist 3), Los Alamos National Laboratory

06/2008 - 06/2011, Technical Staff Member (Scientist 2), Los Alamos National Laboratory

05/2005 - 05/2008, Postdoc, Los Alamos National Laboratory, with Drs. Richard Averitt & Toni Taylor

 

Professional Societies

Fellow of the American Physical Society (APS), Member of the Optical Society of America (OSA), Materials Research Society (MRS), and International Organization of Chinese Physicists and Astronomers (OCPA)

 

Awards

Fellow of the American Physical Society (APS), 2015

LAAP Achievement Award, LANL, 2007 & 2013

Postdoctoral Publication Prize Honorable Mention, LANL, 2007

Guanghua Scholarship, USTC, 1999

 

Patents

08/2013, "Metamaterials for linear polarization conversion and wavefront manipulation," Application Number US 61/863,563

09/2014 “Dynamical frequency tuning of electric and magnetic metamaterial response,” US Patent No. 8,836.439

11/2010 “Active terahertz metamaterial devices,” US Patent No. 7,826,504

 

Publications

62. L. Liang, M. Qi, J. Yang, X. Shen, J. Zhai, W. Xu, B. Jin, W. Liu, Y. Feng, C. Zhang, H. Lu, H.-T. Chen, L. Kang, W. Xu, J. Chen, T. J. Cui, P. Wu and S. Liu, “Anomalous terahertz reflection and scattering by flexible and conformal coding metamaterials,” Advanced Optical Materials 3, 1374–1380 (2015).

61. J. Li, S. Chen, H. Yang, J. Li, P. Yu, H. Cheng, C. Gu, H.-T. Chen, and J. Tian, “Simultaneous control of light polarization and phase distributions using plasmonic metasurfaces,” Advanced Functional Materials 25, 704–710 (2015).

60. H.-T. Chen, “Semiconductor activated terahertz metamaterials,” Frontiers of Optoelectronics 8, 27–43 (2015).

59. B. Zhang, J. Hendrickson, N. N. Esfahani, H.-T. Chen, and J. Guo, “Metasurface optical antireflection coating,” Applied Physics Letters 105, 241113 (2014).

58. J. E. Heyes,W.Withayachumnankul, N. K. Grady, D. Roy Chowdhury, A. K. Azad, and H.-T. Chen, “Hybrid metasurface for ultra-broadband terahertz modulation,” Applied Physics Letters 105, 181108 (2014).

57. N. Karl, K. Reichel, H.-T. Chen, A. J. Taylor, I. Brener, A. Benz, J. L. Reno, R. Mendis, and D. M. Mittleman, “An electrically driven terahertz metamaterial diffractive modulator with more than 20 dB of dynamic range,” Applied Physics Letters 104, 091115 (2014).

56. N. K. Grady, B. G. Perkins Jr., H. Y. Hwang, N. C. Brandt, D. Torchinsky, R. Singh, L. Yan, D. Trugman, S. A. Trugman, Q. X. Jia, A. J. Taylor, K. A. Nelson, and H.-T. Chen, “Nonlinear hightemperature superconducting terahertz metamaterials,” New Journal of Physics 15, 105016 (2013).

55. R. Singh, D. Roy Chowdhury, J. Xiong, H. Yang, A. K. Azad, A. J. Taylor, Q. X. Jia, and H.-T. Chen, “Influence of film thickness in THz active metamaterial devices: A comparison between superconductor and metal split-ring resonators,” Applied Physics Letters 103, 061117 (2013).

54. N. K. Grady, J. E. Heyes, D. Roy Chowdhury, Y. Zeng, M. T. Reiten, A. K. Azad, A. J. Taylor, D. A. R. Dalvit, and H.-T. Chen, “Terahertz metamaterials for linear polarization conversion and anomalous refraction,” Science 340, 1304–1307 (2013).

53. T. S. Luk, I. Kim, S. Campione, S. W. Howell, G. S. Subramania, R. K. Grubbs, I. Brener, H.-T. Chen, S. Fan, and M. B. Sinclair, “Near-infrared surface plasmon polariton dispersion control with hyperbolic metamaterials,” Optics Express 21, 11107–11114 (2013).

52. L. Huang and H.-T. Chen, “A Brief review on terahertz metamaterial perfect absorbers,” Terahertz Science and Technology 6, 26–39 (2013).

51. Y. Zeng, H.-T. Chen, and D. A. R. Dalvit, “The role of magnetic dipoles and non-zero-order Bragg waves in metamaterial perfect absorbers,” Optics Express 21, 3540–3546 (2013).

50. A. K. Azad, J. F. O’Hara, R. Singh, H.-T. Chen, and A. J. Taylor, “A review of terahertz plasmonics in subwavelength holes on conducting films,” IEEE Journal of Selected Topics in Quantum Electronics 19, 8400416 (2013).

49. B. S. Alexandrov, M. L. Phipps, L. B. Alexandrov, L. G. Booshehri, A. Erat, J. Zabolotny, C. H. Mielke, H.-T. Chen, G. Rodriguez, K. Ø. Rasmussen, J. S. Martinez, A. R. Bishop and A. Usheva, “Specificity and heterogeneity of terahertz radiation effect on gene expression in mouse mesenchymal stem cells,” Scientific Reports 3, 1184 (2013).

48. D. Roy Chowdhury, R. Singh, A. J. Taylor, H.-T. Chen, and A. K. Azad, “Ultrafast manipulation of near field coupling between bright and dark modes in terahertz metamaterial,” Applied Physics Letters 102, 011122 (2013).

47. J. Q. Gu, R. Singh, X. J. Liu, X. Q. Zhang, Y. F. Ma, S. Zhang, S. A. Maier, Z. Tian, A. K. Azad, H.-T. Chen, A. J. Taylor, J. G. Han, and W. L. Zhang, “Active control of electromagnetically induced transparency analogue in terahertz metamaterials,” Nature Communications 3, 1151 (2012).

46. L. Huang, D. Roy Chowdhury, S. Ramani, M. T. Reiten, S.-N. Luo, A. K. Azad, A. J. Taylor, and H.-T. Chen, “Impact of resonator geometry and its coupling with ground plane on ultrathin metamaterial perfect absorbers,” Applied Physics Letters 101, 101102 (2012).

45. J. F. Zhou, D. Roy Chowdhury, R. Zhao, A. K. Azad, H.-T. Chen, C. M. Soukoulis, A. J. Taylor, and J. F. O’Hara, “Terahertz chiral metamaterials with giant and dynamically tunable optical activity,” Physical Review B 86, 035448 (2012).

44. S. Zhang, J. F. Zhou, Y.-S. Park, J. Rho, R. Singh, S. Nam, A. K. Azad, H.-T. Chen, X. B. Yin, A. J. Taylor, and X. Zhang, “Photoinduced handedness switching in terahertz chiral meta-molecules,” Nature Communications 3, 942 (2012).

43. R. Singh, J. Xiong, A. K. Azad, H. Yang, S. A. Trugman, Q. X. Jia, A. J. Taylor, and H.-T. Chen, “Optical tuning and ultrafast dynamics of high-temperature superconducting terahertz metamaterials,” Nanophotonics 1, 117–123 (2012).

42. D. Roy Chowdhury, R. Singh, A. J. Taylor, H.-T. Chen, W. Zhang, and A. K. Azad, “Coupling schemes in terahertz planar metamaterials,” International Journal of Optics 2012, 148985 (2012).

41. H.-T. Chen, “Interference theory of metamaterial perfect absorbers,” Optics Express 20, 7165–7172 (2012).

40. W. Han, L. Huang, Q. An, H.-T. Chen, S.-N. Luo, “Crystallization of liquid Cu nanodroplets on single crystal Cu substrates prefers closest-packed planes regardless of the substrate orientations,” Journal of Crystal Growth 345, 34–38 (2012).

39. L. Huang, D. Roy Chowdhury, S. Ramani, M. T. Reiten, S.-N. Luo, A. J. Taylor, and H.-T. Chen, “Experimental demonstration of terahertz metamaterial absorbers with a broad and flat high absorption band,” Optics Letters 37, 154–156 (2012).

38. D. Roy Chowdhury, R. Singh, J. F. O’Hara, H.-T. Chen, A. J. Taylor, and A. K. Azad, “Dynamically reconfigurable terahertz metamaterial through photo-doped semiconductor,” Applied Physics Letters 99, 231101 (2011).

37. B. S. Alexandrov, K. Ø. Rasmussen, A. R. Bishop, A. Usheva, L. B. Alexandrov, S. Chong, Y. Dagon, L. G. Booshehri, C. H. Mielke, M. L. Phipps, J. S. Martinez, H.-T. Chen, and G. Rodriguez, “Nonthermal effects of terahertz radiation on gene expression in mouse stem cells,” Biomedical Optics Express 2, 2679–2689 (2011).

36. D. Roy Chowdhury, R. Singh, M. Reiten, H.-T. Chen, A. J. Taylor, J. F. O’Hara and A. K. Azad, “A broadband planar terahertz metamaterial with nested structure,” Optics Express 19, 15817–15823 (2011).

35. H.-T. Chen, J. F. O’Hara, A. K. Azad, and A. J. Taylor, “Manipulation of terahertz radiation using metamaterials,” Laser & Photonics Reviews 5, 513–533 (2011).

34. R. Singh, A. K. Azad, Q. X. Jia, A. J. Taylor, and H.-T. Chen, “Thermal tunability in terahertz metamaterials fabricated on strontium titanate single-crystal substrates,” Optics Letters 36, 1230–1232 (2011).

33. J. Bock, Y. Fukuyo, S. Kang, M. L. Phipps, L. B. Alexandrov, K. Ø. Rasmussen, A. R. Bishop, E. D. Rosen, J. S. Martinez, H.-T. Chen, G. Rodriguez, B. S. Alexandrov, and A. Usheva, “Mammalian stem cells reprogramming in response to terahertz radiation,” PLoS ONE 5, e15806 (2010).

32. P. Xu, S.-H. Jeon, H.-T. Chen, H. M. Luo, G. F. Zou, Q. X. Jia, M. Anghel, C. Teuscher, D. J. Williams, B. Zhang, X. J. Han, and H.-L. Wang, “Facile synthesis and electrical properties of silver wires through chemical reduction by polyaniline,” The Journal of Physical Chemistry C 114, 22147–22154 (2010).

31. H.-T. Chen, H. Yang, R. Singh, J. F. O’Hara, A. K. Azad, S. A. Trugman, Q. X. Jia, A. J. Taylor, “Tuning the resonance in high temperature superconducting terahertz metamaterials,” Physical Review Letters 105, 247402 (2010).

30. J. Q. Gu, R. Singh, Z. Tian, W. Cao, Q. R. Xing, M. X. He, J. W. Zhang, J. G. Han, H.-T. Chen, and W. L. Zhang, “Terahertz superconductor metamaterial,” Applied Physics Letters 97, 071102 (2010).

29. H.-T. Chen, J. F. Zhou, J. F. O’Hara, F. Chen, A. K. Azad, and A. J. Taylor, “Antireflection coating using metamaterials and identification of its mechanism,” Physical Review Letters 105, 073901 (2010).

“Erratum: Antireflection coating using metamaterials and identification of its mechanism [Phys. Rev. Lett. 105, 073901 (2010)],” Physical Review Letters 106, 079902 (2011).

28. H.-T. Chen, J. F. Zhou, J. F. O’Hara, and A. J. Taylor, “A numerical investigation of metamaterial antireflection coatings,” Terahertz Science and Technology 3, 66–73 (2010).

27. H.-T. Chen, J. F. O’Hara, and A. J. Taylor, “Active Terahertz Metamaterials,” Optics and Spectroscopy 108, 834–840 (2010).

26. X. G. Peralta, I. Brener, W. J. Padilla, E. W. Young, A. J. Hoffman, M. J. Cich, R. D. Averitt, M. C. Wanke, J. B. Wright, H.-T. Chen, J. F. O’Hara, A. J. Taylor, J. Waldman, W. D. Goodhue, J. Li, J. Reno, “External modulators for terahertz quantum cascade lasers based on electrically-driven active metamaterials,” Metamaterials 4, 83–88 (2010).

25. A. K. Azad, H.-T. Chen, S. R. Kasarla, A. J. Taylor, J. F. O’Hara, Z. Tian, X. C. Lu, W. L. Zhang, H. Lu, and A. C. Gossard, “Ultrafast optical control of terahertz surface plasmons in subwavelength hole-arrays at room temperature,” Applied Physics Letters 95, 011105 (2009).

24. W. L. Chan, H.-T. Chen, A. J. Taylor, I. Brener, M. J. Cich, and D. M. Mittleman, “A spatial light modulator for terahertz beams,” Applied Physics Letters 94, 213511 (2009).

23. A. K. Azad, H.-T. Chen, X. C. Lu, J. Q. Gu, N. R. Weisse-Bernstein, E. Akhadov, A. J. Taylor, W. L. Zhang, J. F. O’Hara, “Flexible quasi-three-dimensional terahertz electric metamaterials,” Terahertz Science and Technology 2, 15–22 (2009).

22. H.-T. Chen, W. J. Padilla, M. J. Cich, A. K. Azad, R. D. Averitt, and A. J. Taylor, “A metamaterial solid-state terahertz phase modulator,” Nature Photonics 3, 148–151 (2009).

21. X. G. Peralta, E. Smirnova, A. K. Azad, H.-T. Chen, A. J. Taylor, I. Brener, and J. F. O’Hara, “Metamaterials for THz polarimetric devices,” Optics Express 17, 773–783 (2009).

20. G. P. Acuna, S. F. Heucke, F. Kuchler, H.-T. Chen, A. J. Taylor, and R. Kersting, “Surface plasmons in terahertz metamaterials,” Optics Express 16, 18745–18751 (2008).

19. H.-T. Chen, S. Palit, T. Tyler, C. M. Bingham, J. M. O. Zide, J. F. O’Hara, D. R. Smith, A. C. Gossard, R. D. Averitt, W. J. Padilla, N. M. Jokerst, and A. J. Taylor, “Hybrid metamaterials enable fast electrical modulation of freely propagating terahertz waves,” Applied Physics Letters 93, 091117 (2008).

18. H.-T. Chen, H. Lu, A. K. Azad, R. D. Averitt, A. C. Gossard, S. A. Trugman, J. F. O’Hara, and A. J. Taylor, “Electronic control of extraordinary terahertz transmission through subwavelength metal hole arrays,” Optics Express 16, 7641–7648 (2008).

17. H.-T. Chen, J. F. O’Hara, A. K. Azad, A. J. Taylor, R. D. Averitt, D. B. Shrekenhamer, and W. J. Padilla, “Experimental demonstration of frequency agile terahertz metamaterials,” Nature Photonics 2, 295–298 (2008).

Rachel Won and Hou-Tong Chen, “Taming the terahertz,” Nature Photonics 2, 324 (2008). (Author Interview)

16. H.-T. Chen,W. J. Padilla, R. D. Averitt, A. C. Gossard, C. Highstrete, M. Lee, J. F. O’Hara, and A. J. Taylor, “Electromagnetic metamaterials for terahertz applications,” Terahertz Science and Technology 1, 42–50 (2008).

15. J. F. O’Hara, A. K. Azad, H.-T. Chen, A. J. Taylor, and E. Smirnova, “Effects of microstructure variations on macroscopic terahertz metafilm properties,” Active and Passive Electronic Components, Vol. 2007, Article ID 49691, doi: 10.1155/2007/49691 (2007).

14. H.-T. Chen, W. J. Padilla, J. M. O. Zide, S. R. Bank, A. C. Gossard, A. J. Taylor, and R. D. Averitt, “Ultrafast optical switching of terahertz metamaterials fabricated on ErAs/GaAs nanoisland superlattices,” Optics Letters 32, 1620–1622 (2007).

13. J. F. O’Hara, E. Smirnova, H.-T. Chen, A. J. Taylor, R. D. Averitt, C. Highstrete, M. Lee, and W. J. Padilla, “Properties of planar electric metamaterials for novel terahertz applications,” Journal of Nanoelectronics and Optoelectronics 2, 90–95 (2007).

12. H.-T. Chen, J. F. O’Hara, A. J. Taylor, R. D. Averitt, C. Highstrete, M. Lee, and W. J. Padilla, “Complementary planar terahertz metamaterials,” Optics Express 15, 1084–1095 (2007).

11. H.-T. Chen, W. J. Padilla, J. M. O. Zide, A. C. Gossard, A. J. Taylor, and R. D. Averitt, “Active terahertz metamaterial devices,” Nature 444, 597–600 (2006).

10. F. Buersgens, R. Kersting, and H.-T. Chen, “Terahertz microscopy of charge carriers in semiconductors,” Applied Physics Letters 88, 112115 (2006).

9. G. C. Cho, H.-T. Chen, S. Kraatz, N. Karpowicz, and R. Kersting, “Apertureless terahertz near-field microscopy,” Semiconductor Science and Technology 20, S286–S292 (2005).

8. R. Kersting, H.-T. Chen, N. Karpowicz, and G. C. Cho, “Terahertz microscopy with submicrometer resolution,” Journal of Optics A: Pure and Applied Optics 7, S184–S189 (2005).

7. H.-T. Chen, S. Kraatz, R. Kersting, and G. C. Cho, “Identification of a resonant imaging process in apertureless near-field microscopy,” Physical Review Letters 93, 267401 (2004).

6. H.-T. Chen, G. C. Cho, and R. Kersting, “Terahertz imaging with nanometer resolution,” Applied Physics Letters 83, 3009–3011 (2003).

5. W. W. Zhang, W. P. Zhang, P. B. Xie, M. Yin, H.-T. Chen, L. Jing, Y.-S. Zhang, L.-R. Lou, and S.-D. Xia, “Optical properties of nanocrystalline Y2O3:Eu depending on the odd structure,” Journal of Colloid and Interface Science 262, 588–593 (2003).

4. H. T. Chen, R. Lian, M. Yin, L. R. Lou, W. P. Zhang, S. D. Xia, and J. C. Krupa, “Luminescence concentration quenching of 1D2 state in YPO3:Pr3+,” Journal of Physics: Condensed Matter 13, 1151–1158 (2001).

3. H. T. Chen, M. Yin, R. Lian, L. R. Lou, W. P. Zheng, and S. D. Xia, “Luminescence dependence upon concentration and temperature in YPO3:Pr3+,” Spectroscopy and Spectral Analysis 21, 151–154 (2001).

2. D. F. Zhou, Y. H. Chen, C. S. Shi, Y. G.Wei, H. T. Chen, and M. Yin, “Energy transfer in PbWO4/Dy3+ luminescence,” Journal of Alloys and Compounds 322, 298–301 (2001).

1. P. B. Xie, W. P. Zhang, M. Yin, H. T. Chen, W. W. Zhang, L. R. Lou, and S. D. Xia, “Photoluminescence properties of surface-modified nanocrystalline ZnS:Mn,” Journal of Colloid and Interface Science 229, 534–539 (2000).