Praful Vasireddy

All Publications

• Measurement of femtosecond dynamics of ultrafast electron beams through terahertz compression and time-stamping APPLIED PHYSICS LETTERS Othman, M. K., Gabriel, A. E., Snively, E. C., Kozina, M. E., Shen, X., Ji, F., Lewis, S., Weathersby, S., Vasireddy, P., Luo, D., Wang, X., Hoffmann, M. C., Nanni, E. A. 2023; 122 (14)

  View details for DOI 10.1063/5.0134733

  View details for Web of Science ID 000964331000010

• Efficient Modeling and Calibration of Multi-Electrode Stimuli for Epiretinal Implants Vasireddy, P. K., Gogliettino, A. R., Brown, J. B., Vilkhu, R. S., Madugula, S. S., Phillips, A. J., Mitra, S., Hottowy, P., Sher, A., Litke, A., Shah, N. P., Chichilnisky, E. J., IEEE IEEE. 2023

  View details for DOI 10.1109/NER52421.2023.10123907

  View details for Web of Science ID 001009053700189

• Spectrally reconfigurable quantum emitters enabled by optimized fast modulation NPJ QUANTUM INFORMATION Lukin, D. M., White, A. D., Trivedi, R., Guidry, M. A., Morioka, N., Babin, C., Soykal, O. O., Ul-Hassan, J., Son, N., Ohshima, T., Vasireddy, P. K., Nasr, M. H., Sun, S., MacLean, J. W., Dory, C., Nanni, E. A., Wrachtrup, J., Kaiser, F., Vuckovic, J. 2020; 6 (1)

  View details for DOI 10.1038/s41534-020-00310-0

  View details for Web of Science ID 000570734300001

• Light phase detection with on-chip petahertz electronic networks NATURE COMMUNICATIONS Yang, Y., Turchetti, M., Vasireddy, P., Putnam, W. P., Karnbach, O., Nardi, A., Kaertner, F. X., Berggren, K. K., Keathley, P. D. 2020; 11 (1): 3407

  Abstract

  Ultrafast, high-intensity light-matter interactions lead to optical-field-driven photocurrents with an attosecond-level temporal response. These photocurrents can be used to detect the carrier-envelope-phase (CEP) of short optical pulses, and enable optical-frequency, petahertz (PHz) electronics for high-speed information processing. Despite recent reports on optical-field-driven photocurrents in various nanoscale solid-state materials, little has been done in examining the large-scale electronic integration of these devices to improve their functionality and compactness. In this work, we demonstrate enhanced, on-chip CEP detection via optical-field-driven photocurrents in a monolithic array of electrically-connected plasmonic bow-tie nanoantennas that are contained within an area of hundreds of square microns. The technique is scalable and could potentially be used for shot-to-shot CEP tagging applications requiring orders-of-magnitude less pulse energy compared to alternative ionization-based techniques. Our results open avenues for compact time-domain, on-chip CEP detection, and inform the development of integrated circuits for PHz electronics as well as integrated platforms for attosecond and strong-field science.

  View details for DOI 10.1038/s41467-020-17250-0

  View details for Web of Science ID 000552074100002

  View details for PubMedID 32641698

  View details for PubMedCentralID PMC7343884

• Static and Dynamic Stark Tuning of the Silicon Vacancy in Silicon Carbide White, A. D., Lukin, D. M., Guidry, M. A., Trivedi, R., Morioka, N., Babin, C., Kaiser, F., Ul-Hassan, J., Son, N., Ohshima, T., Vasireddy, P., Nasr, M., Nanni, E., Wrachtrup, J., Vuckovic, J., IEEE IEEE. 2020

  View details for Web of Science ID 000612090001240

• Vanishing carrier-envelope-phase-sensitive response in optical-field photoemission from plasmonic nanoantennas NATURE PHYSICS Keathley, P. D., Putnam, W. P., Vasireddy, P., Hobbs, R. G., Yang, Y., Berggren, K. K., Kartner, F. X. 2019; 15 (11): 1128-+

  View details for DOI 10.1038/s41567-019-0613-6

  View details for Web of Science ID 000494944200017

  View details for PubMedID 31700524

  View details for PubMedCentralID PMC6837889