Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Djamshid A. Damry"'
Autor:
Jessica L. Boland, Chelsea Q. Xia, Djamshid A. Damry, Piet Schonherr, Dharmalingam Prabhakaran, Laura M. Herz, Thorsten Hesjedal, Michael B. Johnston
The generation and control of terahertz pulses is vital for realizing the potential of terahertz radiation in several sectors, including 6G communication, security and imaging. In this work, we present the topological Dirac semimetal cadmium arsenide
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::852a15e91e44ce6ca67bed1b1f4407a9
https://doi.org/10.1109/irmmw-thz50927.2022.9895566
https://doi.org/10.1109/irmmw-thz50927.2022.9895566
Autor:
Ford M. Wagner, Simas Melnikas, Joel Cramer, Djamshid A. Damry, Chelsea Q. Xia, Kun Peng, Gerhard Jakob, Mathias Kläui, Simonas Kičas, Michael B. Johnston
Spintronic metal thin films excited by femtosecond laser pulses have recently emerged as excellent broadband sources of terahertz (THz) radiation. Unfortunately, these emitters transmit a significant proportion of the incident excitation laser, which
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b8e06e05673d857946544a153cc751a6
Autor:
Elias Z. Stutz, Mahdi Zamani, Djamshid A. Damry, Léa Buswell, Rajrupa Paul, Simon Escobar Steinvall, Jean-Baptiste Leran, Jessica L. Boland, Mirjana Dimitrievska, Anna Fontcuberta i Morral
Publikováno v:
Stutz, E Z, Zamani, M, Damry, D, Buswell, L, Paul, R, Steinvall, S E, Leran, J-B, Boland, J, Dimitrievska, M & Fontcuberta i Morral, A 2022, ' Showcasing the optical properties of monocrystalline zinc phosphide thin films as an earth-abundant photovoltaic absorber ', Materials Advances, vol. 3, no. 2, pp. 1295-1303 . https://doi.org/10.1039/d1ma00922b
Zinc phosphide, Zn3P2, is a semiconductor with a high absorption coefficient in the spectral range relevant for single junction photovoltaic applications. It is made of elements abundant in the Earth's crust, opening up a pathway for large deployment
Autor:
Rajrupa Paul, Stefan W. Tabernig, Joel Reñé Sapera, Julien Hurni, Anja Tiede, Xinyun Liu, Djamshid A. Damry, Vanessa Conti, Mahdi Zamani, Simon Escobar Steinvall, Mirjana Dimitrievska, Esther Alarcon-Lladó, Valerio Piazza, Jessica Boland, Franz-Josef Haug, Albert Polman, Anna Fontcuberta i Morral
Publikováno v:
Solar Energy Materials and Solar Cells. 256:112349
Zinc phosphide (Zn3P2) has been lauded as a promising solar absorber material due to its functional properties and the abundance of zinc and phosphorous. In the last 4 decades, there has not been any significant improvement in the efficiencies of Zn3
Autor:
Michael B. Johnston, Marina R. Filip, Jessica L. Boland, Thorsten Hesjedal, Dharmalingam Prabhakaran, Djamshid A. Damry, Chelsea Q. Xia, Piet Schönherr, Laura M. Herz
Using ultrafast optical-pump terahertz-probe spectroscopy (OPTP) and ultrafast terahertz emission spectroscopy, we showcase the electron and hole dynamics in Cd 3 As 2 nanowires (NWs), a well-known 3D Dirac semimetal a subgroup of the newly discovere
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::33b65fe0fdccdfb5b4e6cd5241061f82
https://doi.org/10.1109/irmmw-thz50926.2021.9567041
https://doi.org/10.1109/irmmw-thz50926.2021.9567041
Autor:
Kun Peng, Chennupati Jagadish, Michael J. Strain, Sabrina Sterzl, Fanlu Zhang, Mathias Uller Rothmann, Michael B. Johnston, Martin D. Dawson, Hark Hoe Tan, Benoit Guilhabert, Antonio Hurtado, Lan Fu, Dimitars Jevtics, Laura M. Herz, Djamshid A. Damry
Publikováno v:
2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC).
Polarization encoding for pulsed terahertz (THz) systems are highly desired. For example, polarization-resolved THz time-domain spectroscopy (THz-TDS) allows studying the anisotropic dielectric properties of materials and even lead to new techniques
Autor:
Mathias Uller Rothmann, Djamshid A. Damry, Laura M. Herz, Michael B. Johnston, Hark Hoe Tan, Benoit Guilhabert, Antonio Hurtado, Chennupati Jagadish, Martin D. Dawson, Lan Fu, Kun Peng, Dimitars Jevtics, Fanlu Zhang, Michael J. Strain, Sabrina Sterzl
Publikováno v:
Conference on Lasers and Electro-Optics.
In this study, a novel type of broadband polarization-sensitive photoconductive terahertz detectors based on crossed nanowire networks is demonstrated, enabling fast and precise polarization terahertz time-domain spectroscopy measurements.
Autor:
Piet Schönherr, Chelsea Q. Xia, Laura M. Herz, Djamshid A. Damry, Thorsten Hesjedal, Michael B. Johnston, Jessica L. Boland
Publikováno v:
2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz).
We employ ultrafast optical-pump terahertz-probe spectroscopy and ultrafast THz emission spectroscopy to investigate the ultrafast charge carrier dynamics in the 3D Dirac semi-metal Cd 3 As 2 . We extract the temperature-dependent electron mobility (
Autor:
Benoit Guilhabert, Laura M. Herz, Fanlu Zhang, Michael J. Strain, Sabrina Sterzl, Antonio Hurtado, Kun Peng, Martin D. Dawson, Chennupati Jagadish, Djamshid A. Damry, Lan Fu, Michael B. Johnston, Hark Hoe Tan, Mathias Uller Rothmann, Dimitars Jevtics
Publikováno v:
Science
Nanowire-based THz detection Terahertz (THz) radiation is an interesting region of the electromagnetic spectrum lying between microwaves and infrared. Non-ionizing and transparent to most fabrics, it is finding application in security screening and i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3f83cfc397b00b6e129d84718823d023
https://strathprints.strath.ac.uk/72355/7/Peng_etal_Science_2020_Three_dimensional_cross_nanowire_networks_recover_full.pdf
https://strathprints.strath.ac.uk/72355/7/Peng_etal_Science_2020_Three_dimensional_cross_nanowire_networks_recover_full.pdf
Autor:
Djamshid A. Damry, Hannah J. Joyce, Chennupati Jagadish, Jessica L. Boland, Hark Hoe Tan, Sarwat E. Baig, Michael B. Johnston
Publikováno v:
MRS Advances. 2:1475-1480
Progress in ultrafast terahertz (THz) communications has been limited due to the lack of picosecond switchable modulators with sufficient modulation depth. Gallium arsenide nanowires are ideal candidates for THz modulators as they absorb THz radiatio