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Los Alamos National LaboratoryLaboratory for Ultrafast Materials and Optical Sciences
Understanding and controlling materials on the fastest time scales


For a complete list of publications, please see our LUMOS Team Google Scholar Page.

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  1. S. Gilbertson, S. I. Jackson, S. W. Vincent, and G. Rodriguez, “Detection of high explosive detonation across material interfaces with chirped fiber Bragg gratings,” Appl. Opt., vol. 54, no. 13, pp. 3849–3854, 2015.

  2. M. A. Subhan, N. Uddin, P. Sarker, A. K. Azad, and K. Begum, “Photoluminescence, photocatalytic and antibacterial activities of CeO 2 CuO ZnO nanocomposite fabricated by co-precipitation method,” Spectrochim. Acta Part A Mol. Biomol. Spectrosc., vol. 149, pp. 839–850, 2015.

  3. T. S. Luk, D. de Ceglia, S. Liu, G. A. Keeler, R. P. Prasankumar, M. A. Vincenti, M. Scalora, M. B. Sinclair, and S. Campione, “Enhanced third harmonic generation from the epsilon-near-zero modes of ultrathin films,” Appl. Phys. Lett., vol. 106, no. 15, p. 151103, 2015.

  4. R. V. Aguilar, J. Qi, M. Brahlek, N. Bansal, A. Azad, J. Bowlan, S. Oh, A. J. Taylor, R. P. Prasankumar, and D. A. Yarotski, “Time-resolved terahertz dynamics in thin films of the topological insulator Bi2Se3,” Appl. Phys. Lett., vol. 106, no. 1, p. 11901, 2015.

  5. N. Kamaraju, W. Pan, U. Ekenberg, D. M. Gvozdić, S. Boubanga-Tombet, P. C. Upadhya, J. Reno, A. J. Taylor, and R. P. Prasankumar, “Terahertz magneto-optical spectroscopy of a two-dimensional hole gas,” Appl. Phys. Lett., vol. 106, no. 3, p. 31902, 2015.

  6. A. K. Azad, D. R. Chowdhury, H.-T. Chen, and A. J. Taylor, “Tuning of terahertz metamaterials’ resonances via near field coupling,” in SPIE Sensing Technology + Applications, 2015, p. 94830G.

  7. G. Rodriguez, M. Jaime, C. H. Mielke, F. F. Balakirev, A. Azad, R. L. Sandberg, B. Marshall, B. M. La Lone, B. F. Henson, L. Smilowitz, M. Marr-Lyon, and T. D. Sandoval, “Insight into fiber Bragg sensor response at 100-MHz interrogation rates under various dynamic loading conditions,” in SPIE Sensing Technology + Applications, 2015, p. 948004.


  1. Sheu, Y. M. et al. Using ultrashort optical pulses to couple ferroelectric and ferromagnetic order in an oxide heterostructure. Nat. Commun. 5, 5832 (2014).

  2. Sandberg, R. L. et al. Embedded optical probes for simultaneous pressure and temperature measurement of materials in extreme conditions. J. Phys. Conf. Ser.500, 142031 (2014).

  3. Rodriguez, G. et al. Fiber Bragg sensing of high explosive detonation experiments at Los Alamos National Laboratory. J. Phys. Conf. Ser. 500, 142030 (2014).

  4. Karl, N. et al. An electrically driven terahertz metamaterial diffractive modulator with more than 20 dB of dynamic range. Appl. Phys. Lett. 104, 91115 (2014).

  5. Sheu, Y. M. et al. Polaronic Transport Induced by Competing Interfacial Magnetic Order in a La 0.7 Ca 0.3 MnO 3/BiFeO 3 Heterostructure. Phys. Rev. X 4, 21001 (2014).

  6. Vanderhoef, L. R. et al. Charge carrier relaxation processes in TbAs nanoinclusions in GaAs measured by optical-pump THz-probe transient absorption spectroscopy. Phys. Rev. B 89, 45418 (2014).

  7. Chowdhury, D. R., O’Hara, J. F., Taylor, A. J. & Azad, A. K. Orthogonally twisted planar concentric split ring resonators towards strong near field coupled terahertz metamaterials. Appl. Phys. Lett. 104, 101105 (2014).

  8. Seo, M. et al. Ultrafast optical microscopy on single semiconductor nanowires. in SPIE OPTO 89840U–89840U (2014).

  9. Chen, H.-T. Semiconductor activated terahertz metamaterials. Front. Optoelectron. 1–17 (2014).

  10. Chowdhury, D. R., Azad, A. K., Zhang, W. & Singh, R. Corrections to “Near Field Coupling in Passive and Active Terahertz Metamaterial Devices.” Terahertz Sci. Technol. IEEE Trans. 4, 400 (2014).

  11. Kaul, A. M. et al. Damage growth and recollection in aluminum under axisymmetric convergence using a helical flux compression generator. J. Appl. Phys. 115, 23516 (2014).

  12. Gilbertson, S. M. et al. Ultrafast Photoemission Spectroscopy of the Uranium Dioxide UO 2 Mott Insulator: Evidence for a Robust Energy Gap Structure. Phys. Rev. Lett. 112, 87402 (2014).

  13. Appavoo, K. et al. Ultrafast phase transition via catastrophic phonon collapse driven by plasmonic hot-electron injection. Nano Lett. 14, 1127–1133 (2014).

  14. Rodriguez, G. et al. High pressure sensing and dynamics using high speed fiber Bragg grating interrogation systems. in SPIE Sens. Technol. Appl. 90980C–90980C (2014).

  15. Barber, J. L., Barnes, C. W., Sandberg, R. L. & Sheffield, R. L. Diffractive imaging at large Fresnel number: Challenge of dynamic mesoscale imaging with hard x rays. Phys. Rev. B 89, 184105 (2014).

  16. Udd, E., Rodriguez, G. & Sandberg, R. L. High-speed fiber grating pressure sensors. in SPIE Sens. Technol. Appl. 90980B–90980B (2014).

  17. Chowdhury, D. R. et al. Excitation of dark plasmonic modes in symmetry broken terahertz metamaterials. Opt. Express 22, 19401–19410 (2014).

  18. Chowdhury, D. R., Singh, R., Taylor, A. J. & Azad, A. K. Ultrafast Switching in Terahertz Metamaterials using Ion Implanted Silicon on Sapphire. arXiv Prepr. arXiv1407.2715 (2014).

  19. Sampat, S. et al. Tunable Charge Transfer Dynamics at Tetracene/LiF/C60 Interfaces. J. Phys. Chem. C (2014).

  20. Heyes, J. E. et al. Hybrid metasurface for ultra-broadband terahertz modulation. Appl. Phys. Lett. 105, 181108 (2014).

  21. Lee, J. & Prasankumar, R. P. Correlation between quantum charge fluctuations and magnetic ordering in multiferroic LuFe2O4. Eur. Phys. J. B 87, 1–5 (2014).