activity
20132021
most citedUp to 70 THz bandwidth from implanted Ge photoconductive antenna excited by a fibre laser

57 citations · 149 across the 6 of their papers we have counts for

collaborators

6 papers

physics.ins-det2021★ 21 cited

Tunable cryogenic THz cavity for strong light-matter coupling in complex materials

Giacomo Jarc, Shahla Yasmin Mathengattil, Francesca Giusti +8

We report here the realization and commissioning of an experiment dedicated to the study of the optical properties of light matter hybrids constituted of crystalline samples embedd…

physics.optics2019★ 57 cited

Up to 70 THz bandwidth from implanted Ge photoconductive antenna excited by a fibre laser

Abhishek Singh, Alexej Pashkin, Stephan Winnerl +6

Phase-stable electromagnetic pulses in the THz frequency range offer several unique capabilities in time-resolved spectroscopy. However, the diversity of their application is limit…

cond-mat.mtrl-sci2014★ 22 cited

Carbon Irradiated SI-GaAs for Photoconductive THz Detection

Abhishek Singh, Sanjoy Pal, Harshad Surdi +5

We report here a photoconductive material for THz generation and detection with sub-picosecond carrier lifetime made by C12 (Carbon) irradiation on commercially available semi-insu…

cond-mat.mes-hall2014★ 15 cited

Microlensless Interdigitated Photoconductive Terahertz Emitters

Abhishek Singh, S. S. Prabhu

We report here fabrication of interdigitated photoconductive antenna (iPCA) terahertz (THz) emitters based on plasmonic electrode design. Novel design of this iPCA enables it to wo…

cond-mat.mtrl-sci2013★ 34 cited

Highly Efficient and Electrically Robust Carbon Irradiated SI-GaAs Based Photoconductive THz Emitters

Abhishek Singh, Sanjoy Pal, Harshad Surdi +3

We demonstrate here an efficient THz source with low electrical power consumption. We have increased the maximum THz radiation power emitted from SI-GaAs based photoconductive emit…

cond-mat.mes-hall2013

Improved Efficiency of Photoconductive THz Emitters by Increasing the Effective Contact Length of Electrodes

Abhishek Singh, Harshad Surdi, V. V. Nikesh +2

We study the effect of a surface modification at the interface between metallic electrodes and semiconducting substrate in Semi-Insulating GaAs (SI-GaAs) based photoconductive emit…