34 citations · 121 across the 10 of their papers we have counts for
10 papers
Diamond Diode for Extreme Venus Environments
Harshad Surdi, Gabriel Munro-Ludders, Mohamadali Malakoutian +9
A diamond Schottky PIN diode (SPIND) with the highest reported current density to date of ~116 kA/cm2 is demonstrated carrying a total current of ~1.3 A through a 50 micron wide ps…
Excess Noise in High-Current Diamond Diodes -- Physical Mechanisms and Implications for Reliability Assessment
Subhajit Ghosh, Harshad Surdi, Fariborz Kargar +5
We report results of an investigation of low-frequency excess noise in high-current diamond diodes. It was found that the electronic excess noise of the diamond diodes is dominated…
A Superconducting Phase Shifter and Traveling Wave Kinetic Inductance Parametric Amplifier for W-Band Astronomy
George Che, Samuel Gordon, Peter Day +7
The W-Band () sky contains a plethora of information about star formation, galaxy evolution and the cosmic microwave background. We have designed and fabrica…
Polarization Sensitive Multi-Chroic MKIDs
Bradley R. Johnson, Daniel Flanigan, Maximilian H. Abitbol +18
We report on the development of scalable prototype microwave kinetic inductance detector (MKID) arrays tailored for future multi-kilo-pixel experiments that are designed to simulta…
Single and multiband THz Metamaterial Polarizers
Bagvanth Reddy Sangala, Arvind Nagarajan, Prathmesh Deshmukh +4
We report single and multiband linear polarizers for terahertz (THz) frequencies using cut-wire metamaterials (MM). The MMs are designed by finite element method, fabricated by ele…
A Broadband Dipolar Resonance in THz Metamaterials
Bagvanth Reddy Sangala, Harshad Surdi, Achanta Venu Gopal +1
We demonstrate a THz metamaterial with broadband dipole resonance originating due to the hybridization of LC resonances. The structure optimized by finite element method simulation…
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…
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…
Physical, optical and nonlinear properties of InS single crystal
Pallavi Kushwaha, Anuradha Patra, E. Anjali +6
Indium Sulphide (InS) single crystals are successfully grown by In flux. Single crystal X-ray diffraction shows orthorhombic structure of Pnnm space group. Ellipsometry measurement…
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…