• 2052 Citations
  • 24 h-Index
1982 …2016

Research output per year

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Article
1997

Microstructural study of Mg-doped p-type GaN: Correlation between high-resolution electron microscopy and Raman spectroscopy

Tsen, S. C. Y., Smith, D., Tsen, K-T., Kim, W. & Morkoç, H., Dec 15 1997, In : Journal of Applied Physics. 82, 12, p. 6008-6011 4 p.

Research output: Contribution to journalArticle

15 Scopus citations

Quantitative assessment of the effects of carrier screening on the average electric field in a GaAs-based p-i-n nanostructure under subpicosecond laser excitation

Tsen, K-T., Joshi, R. P., Salvador, A., Botcharev, A. & Morkoc, H., Jan 1 1997, In : Journal of Applied Physics. 81, 1, p. 406-408 3 p.

Research output: Contribution to journalArticle

15 Scopus citations

Subpicosecond time-resolved Raman studies of non-equilibrium excitations in wide bandgap GaN

Tsen, K-T., Joshi, R. P. & Ferry, D. K., Nov 1997, In : Physica Status Solidi (B) Basic Research. 204, 1, p. 106-109 4 p.

Research output: Contribution to journalArticle

3 Scopus citations
1998

Non-equilibrium electron distributions and electron-longitudinal optical phonon scattering rates in wurtzite GaN

Tsen, K-T., Ferry, D. K., Botchkarev, A., Sverdlov, B., Salvador, A. & Morkoç, H., Apr 1998, In : Journal of Electronic Materials. 27, 4, p. 171-174 4 p.

Research output: Contribution to journalArticle

2 Scopus citations

Picosecond raman studies of the electron-phonon interactions in AlxGa1−xAs: Nonmonotonic dependence upon the alloy composition

Tsen, K-T., Ferry, D. K., Salvador, A. & Morkoc, H., Jan 1 1998, In : Physical Review Letters. 80, 21, p. 4807-4810 4 p.

Research output: Contribution to journalArticle

13 Scopus citations

Time-resolved Raman studies of the decay of the longitudinal optical phonons in wurtzite GaN

Tsen, K-T., Ferry, D. K., Botchkarev, A., Sverdlov, B., Salvador, A. & Morkoc, H., Dec 1 1998, In : Applied Physics Letters. 72, 17, p. 2132-2134 3 p.

Research output: Contribution to journalArticle

106 Scopus citations
2000
1 Scopus citations

Observation of electronic Raman scattering from Mg-doped wurtzite GaN

Tsen, K-T., Koch, C., Chen, Y., Morkoc, H., Li, J., Lin, J. Y. & Jiang, H. X., May 15 2000, In : Applied Physics Letters. 76, 20, p. 2889-2891 3 p.

Research output: Contribution to journalArticle

8 Scopus citations
2001

Chapter 3 Ultrafast dynamics in wide bandgap wurtzite GaN

Tsen, K-T., Dec 1 2001, In : Semiconductors and Semimetals. 67, C, p. 109-149 41 p.

Research output: Contribution to journalArticle

14 Scopus citations
2 Scopus citations

Field-induced transient hole transport in an Al0.3Ga0.7As-based p-i-n nanostructure studied by picosecond Raman spectroscopy

Chen, Y., Tsen, K-T., Sankey, O. F. & Ferry, D. K., Nov 15 2001, In : Physical Review B - Condensed Matter and Materials Physics. 64, 19, p. 1953311-1953317 7 p., 195331.

Research output: Contribution to journalArticle

2 Scopus citations

Hall mobility and carrier concentration in free-standing high quality GaN templates grown by hydride vapor phase epitaxy

Huang, D., Yun, F., Reshchikov, M. A., Wang, D., Morkoç, H., Rode, D. L., Farina, L. A., Kurdak, Ç., Tsen, K-T., Park, S. S. & Lee, K. Y., May 1 2001, In : Solid-State Electronics. 45, 5, p. 711-715 5 p.

Research output: Contribution to journalArticle

56 Scopus citations

Picosecond Raman scattering studies of nonequilibrium electron distributions and energy-loss rate in InxGa1 - xAs1 - yNy

Chen, Y. & Tsen, K-T., May 14 2001, In : Applied Physics Letters. 78, 20, p. 3094-3096 3 p.

Research output: Contribution to journalArticle

2 Scopus citations
2002

Picosecond Raman studies of field-induced transient hole transport in an Al0.3Ga0.7As-based p-i-n nanostructure

Chen, Y., Tsen, K-T., Sankey, O. F. & Ferry, D. K., Mar 1 2002, In : Physica B: Condensed Matter. 314, 1-4, p. 278-282 5 p.

Research output: Contribution to journalArticle

Simultaneous observation of electron and hole velocity overshoots in an Al0.3Ga0.7As-based p-i-n semiconductor, nanostructure

Liang, W., Lee, H., Tsen, K-T., Sankey, O. F. & Ferry, D. K., Nov 18 2002, In : Applied Physics Letters. 81, 21, p. 3999-4001 3 p.

Research output: Contribution to journalArticle

4 Scopus citations

Studies of carrier dynamics in InxGa1-xAs1-yNy by picosecond Raman spectroscopy

Chen, Y., Tsen, K-T. & Ferry, D. K., Mar 1 2002, In : Physica B: Condensed Matter. 314, 1-4, p. 297-300 4 p.

Research output: Contribution to journalArticle

2003

Large electric-field induced electron drift velocity observed in an In xGa1-xAs-based p-i-n semiconductor nanostructure at T=300 K

Liang, W., Tsen, K-T., Ferry, D. K., Wu, M. C., Ho, C. L. & Ho, W. J., Aug 18 2003, In : Applied Physics Letters. 83, 7, p. 1438-1440 3 p.

Research output: Contribution to journalArticle

5 Scopus citations

Observation of optical phonon instability induced by drifting electrons in semiconductor nanostructures

Liang, W., Tsen, K-T., Sankey, O. F., Komirenko, S. M., Kim, K. W., Kochelap, V. A., Wu, M. C., Ho, C. L., Ho, W. J. & Morkoç, H., Mar 24 2003, In : Applied Physics Letters. 82, 12, p. 1968-1970 3 p.

Research output: Contribution to journalArticle

18 Scopus citations

Studies of field-induced nonequilibrium electron transport in an InxGa1-xN (x≅0.6) epilayer grown on GaN

Liang, W., Tsen, K-T., Ferry, D. K., Kim, K. H., Lin, J. Y. & Jiang, H. X., Mar 3 2003, In : Applied Physics Letters. 82, 9, p. 1413-1415 3 p.

Research output: Contribution to journalArticle

10 Scopus citations
2004

Coherent longitudinal optical phonon and plasmon coupling in the near-surface region of InN

Chang, Y. M., Chuang, C. T., Chia, C. T., Tsen, K-T., Lu, H. & Schaff, W. J., Nov 29 2004, In : Applied Physics Letters. 85, 22, p. 5224-5226 3 p., 3.

Research output: Contribution to journalArticle

20 Scopus citations

Field-induced nonequilibrium electron distribution and electron transport in a high-quality inn thin film grown on GaN

Liang, W., Tsen, K-T., Ferry, D. K., Lu, H. & Schaff, W. J., May 3 2004, In : Applied Physics Letters. 84, 18, p. 3681-3683 3 p.

Research output: Contribution to journalArticle

31 Scopus citations

Field-induced non-equilibrium electron transport in an In 0.4Ga0.6N epilayer grown on GaN studied by subpicosecond raman spectroscopy

Liang, W., Tsen, K-T., Ferry, D. K., Kim, K. H., Lin, J. Y. & Jiang, H. X., Apr 1 2004, In : Semiconductor Science and Technology. 19, 4 SPEC. ISS., p. S427-S429

Research output: Contribution to journalArticle

2 Scopus citations

Observation of electron and hole velocity overshoots in an Al 0.3Ga0.7As-based p-i-n semiconductor nanostructure

Liang, W., Tsen, K-T. & Ferry, D. K., Apr 1 2004, In : Semiconductor Science and Technology. 19, 4 SPEC. ISS., p. S20-S22

Research output: Contribution to journalArticle

Observation of nonequilibrium longitudinal optical phonons in InN and its implications

Liang, W., Tsen, K-T., Ferry, D. K., Lu, H. & Schaff, W. J., May 10 2004, In : Applied Physics Letters. 84, 19, p. 3849-3851 3 p.

Research output: Contribution to journalArticle

5 Scopus citations

Picosecond Raman scattering studies of carrier dynamics in In xGa1-xAs1-yNy

Tsen, K-T., Aug 11 2004, In : Journal of Physics Condensed Matter. 16, 31, p. S3333-S3343

Research output: Contribution to journalArticle

Relatively large electric-field induced electron drift velocity observed in an InxGa1-xAs-based p-i-n semiconductor nanostructure

Liang, W., Tsen, K-T., Ferry, D. K., Wu, M. C., Ho, C. L. & Ho, W. J., Apr 1 2004, In : Semiconductor Science and Technology. 19, 4 SPEC. ISS., p. S23-S24

Research output: Contribution to journalArticle

2005

Observation of large electron drift velocities in InN by ultrafast Raman spectroscopy

Tsen, K-T., Poweleit, C., Ferry, D. K., Lu, H. & Schaff, W. J., Jul 4 2005, In : Applied Physics Letters. 86, 22, p. 1-3 3 p., 222103.

Research output: Contribution to journalArticle

64 Scopus citations

Transient picosecond Raman studies of electron and hole velocity overshoots in a GaAs-based p-i-n semiconductor nanostructure

Liang, W., Tsen, K-T., Poweleit, C., Barker, J. M., Ferry, D. K. & Morkoc, H., Mar 16 2005, In : Journal of Physics Condensed Matter. 17, 10, p. 1679-1686 8 p.

Research output: Contribution to journalArticle

2 Scopus citations
2006

Enhancement of band gap emission stimulated by defect loss

Lin, H. Y., Cheng, C. L., Chou, Y. Y., Huang, L. L., Chen, Y. F. & Tsen, K-T., Mar 2006, In : Optics Express. 14, 6, p. 2372-2379 8 p.

Research output: Contribution to journalArticle

149 Scopus citations
10 Scopus citations

Observation of the low frequency vibrational modes of bacteriophage M13 in water by Raman spectroscopy

Tsen, K-T., Dykeman, E. C., Sankey, O. F., Lin, N. T., Tsen, S. W. D. & Kiang, J. G., Sep 22 2006, In : Virology Journal. 3, 79.

Research output: Contribution to journalArticle

17 Scopus citations

Optical studies of high-field carrier transport of InN thick film grown on GaN

Tsen, K-T., Poweleit, C., Ferry, D. K., Lu, H. & Schaff, W. J., Mar 1 2006, In : Journal of Crystal Growth. 288, 2, p. 289-293 5 p.

Research output: Contribution to journalArticle

4 Scopus citations

Raman scattering studies of the low-frequency vibrational modes of bacteriophage M13 in water - Observation of an axial torsion mode

Tsen, K-T., Dykeman, E. C., Sankey, O. F., Tsen, S. W. D., Lin, N. T. & Kiang, J. G., Nov 14 2006, In : Nanotechnology. 17, 21, p. 5474-5479 6 p., 030.

Research output: Contribution to journalArticle

18 Scopus citations

Subpicosecond Raman studies of electric-field-induced optical phonon instability in an In0.53Ga0.47As-based semiconductor nanostructure

Tsen, K-T., Kiang, J. G., Ferry, D. K., Kochelap, V. A., Komirenko, S. M., Kim, K. W. & Morkoc, H., Aug 30 2006, In : Journal of Physics Condensed Matter. 18, 34, p. 7961-7974 14 p., 009.

Research output: Contribution to journalArticle

4 Scopus citations

Subpicosecond time-resolved Raman studies of field-induced transient transport in an InxGa1-xAs -based p-i-n semiconductor nanostructure

Tsen, K-T., Kiang, J. G., Ferry, D. K. & Morko̧, H., Dec 1 2006, In : Applied Physics Letters. 89, 26, 262101.

Research output: Contribution to journalArticle

3 Scopus citations

Subpicosecond time-resolved Raman studies of LO phonons in GaN: Dependence on photoexcited carrier density

Tsen, K-T., Kiang, J. G., Ferry, D. K. & Morkoç, H., Sep 21 2006, In : Applied Physics Letters. 89, 11, 112111.

Research output: Contribution to journalArticle

95 Scopus citations
2007

Direct measurements of the lifetimes of longitudinal optical phonon modes and their dynamics in InN

Tsen, K-T., Kiang, J. G., Ferry, D. K., Lu, H., Schaff, W. J., Lin, H. W. & Gwo, S., Apr 24 2007, In : Applied Physics Letters. 90, 15, 152107.

Research output: Contribution to journalArticle

11 Scopus citations

Geldanamycin inhibits hemorrhage-induced increases in caspase-3 activity: Role of inducible nitric oxide synthase

Kiang, J. G., Bowman, P. D., Lu, X., Li, Y., Wu, B. W., Loh, H. H., Tsen, K-T. & Tsokos, G. C., Sep 1 2007, In : Journal of Applied Physiology. 103, 3, p. 1045-1055 11 p.

Research output: Contribution to journalArticle

16 Scopus citations

Inactivation of viruses by coherent excitations with a low power visible femtosecond laser

Tsen, K-T., Tsen, S. W. D., Chang, C. L., Hung, C. F., Wu, T. C. & Kiang, J. G., Jul 6 2007, In : Virology Journal. 4, 50.

Research output: Contribution to journalArticle

37 Scopus citations

Inactivation of viruses by laser-driven coherent excitations via impulsive stimulated Raman scattering process

Tsen, K-T., Tsen, S. W. D., Chang, C. L., Hung, C. F., Wu, T. C. & Kiang, J. G., Dec 1 2007, In : Journal of biomedical optics. 12, 6, 064030.

Research output: Contribution to journalArticle

25 Scopus citations

Inactivation of viruses with a very low power visible femtosecond laser

Tsen, K-T., Tsen, S. W. D., Chang, C. L., Hung, C. F., Wu, T. C. & Kiang, J. G., Aug 15 2007, In : Journal of Physics Condensed Matter. 19, 32, 322102.

Research output: Contribution to journalArticle

32 Scopus citations

Probing the low-frequency vibrational modes of viruses with Raman scattering - Bacteriophage M13 in water

Tsen, K-T., Dykeman, E. C., Sankey, O. F., Tsen, S. W. D., Lin, N. T. & Kiang, J. G., Mar 1 2007, In : Journal of biomedical optics. 12, 2, 024009.

Research output: Contribution to journalArticle

10 Scopus citations

Raman intensity and spectra predictions for cylindrical viruses

Dykeman, E. C., Sankey, O. F. & Tsen, K-T., Jul 11 2007, In : Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 76, 1, 011906.

Research output: Contribution to journalArticle

16 Scopus citations

Selective inactivation of micro-organisms with near-infrared femtosecond laser pulses

Tsen, K-T., Tsen, S. W. D., Sankey, O. F. & Kiang, J. G., Nov 28 2007, In : Journal of Physics Condensed Matter. 19, 47, 472201.

Research output: Contribution to journalArticle

46 Scopus citations

Studies of Stokes shift in Inx Ga1-x N alloys

Huang, Y. H., Cheng, C. L., Chen, T. T., Chen, Y. F. & Tsen, K-T., Jun 11 2007, In : Journal of Applied Physics. 101, 10, 103521.

Research output: Contribution to journalArticle

10 Scopus citations

Subpicosecond time-resolved Raman studies of electron-longitudinal optical phonon interactions in InN

Tsen, K-T., Kiang, J. G., Ferry, D. K., Lu, H., Schaff, W. J., Lin, H. W. & Gwo, S., May 21 2007, In : Applied Physics Letters. 90, 17, 172108.

Research output: Contribution to journalArticle

4 Scopus citations
2008

Selective inactivation of human immunodeficiency virus with subpicosecond near-infrared laser pulses

Tsen, K-T., Tsen, S. W. D., Hung, C. F., Wu, T. C. & Kiang, J. G., Jun 25 2008, In : Journal of Physics Condensed Matter. 20, 25, 252205.

Research output: Contribution to journalArticle

17 Scopus citations
2009

Photonic approach to the selective inactivation of viruses with a near-infrared subpicosecond fiber laser

Tsen, K-T., Tsen, S. W. D., Fu, Q., Lindsay, S., Kibler, K., Jacobs, B., Wu, T. C., Karanam, B., Jagu, S., Roden, R. B. S., Hung, C. F., Sankey, O. F., Ramakrishna, B. & Kiang, J. G., Dec 1 2009, In : Journal of biomedical optics. 14, 6, 064042.

Research output: Contribution to journalArticle

24 Scopus citations

Simulations of impulsive laser scattering of biological protein assemblies: Application to M13 bacteriophage

Dykeman, E. C., Benson, D., Tsen, K-T. & Sankey, O. F., Oct 7 2009, In : Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 80, 4, 041909.

Research output: Contribution to journalArticle

3 Scopus citations