Kumaravelu Ganesan

Effect of radiation damage on the quantum optical properties of nitrogen vacancies in diamond

H Genish, K Ganesan, A Stacey, S Prawer, M Rosenbluh

Journal article  |  2020  |  Diamond and Related Materials

Single crystal diamond (<5 ppm nitrogen) containing native NV centers with coherence time of 150 μs was irradiated with 2 MeV alph..

Improved wetting of gold active braze alloy on diamond for use in medical implants

K Edalati, M Stamp, K Ganesan, A Stacey, G Martin-Hardy, R Fontaine, S Prawer, DJ Garrett

Journal article  |  2020  |  Diamond and Related Materials

Medical implants containing active electronics must have a leak-proof encapsulation to be certified as safe for human use. Implant..

Photonic devices fabricated from (111)-oriented single crystal diamond

Blake Regan, Sejeong Kim, Anh TH Ly, Aleksandra Trycz, Kerem Bray, Kumaravelu Ganesan, Milos Toth, Igor Aharonovich

Journal article  |  2020  |  InfoMat

Diamond is a material of choice in the pursuit of integrated quantum photonic technologies. So far, the majority of photonic devic..

In vivofeasibility of epiretinal stimulation using ultrananocrystalline diamond electrodes

Mohit N Shivdasani, Mihailo Evans, Owen Burns, Jonathan Yeoh, Penelope J Allen, David AX Nayagam, Joel Villalobos, Carla J Abbott, Chi D Luu, Nicholas L Opie, Anu Sabu, Alexia L Saunders, Michelle McPhedran, Lisa Cardamone, Ceara McGowan, Vanessa Maxim, Richard A Williams, Kate E Fox, Rosemary Cicione, David J Garrett, et al.

Journal article  |  2020  |  JOURNAL OF NEURAL ENGINEERING

OBJECTIVE: Due to their increased proximity to retinal ganglion cells (RGCs), epiretinal visual prostheses present the opportunity..

A single sensor based multispectral imaging camera using a narrow spectral band color mosaic integrated on the monochrome CMOS image sensor

Xin He, Yajing Liu, Kumar Ganesan, Arman Ahnood, Paul Beckett, Fatima Eftekhari, Dan Smith, Md Hemayet Uddin, Efstratios Skafidas, Ampalavanapillai Nirmalathas, Ranjith Rajasekharan Unnithan

Journal article  |  2020  |  APL Photonics

A multispectral image camera captures image data within specific wavelength ranges in narrow wavelength bands across the electroma..

Anisotropic three-dimensional weak localization in ultrananocrystalline diamond films with nitrogen inclusions

LH Willems van Beveren, DL Creedon, N Eikenberg, K Ganesan, BC Johnson, G Chimowa, D Churochkin, S Bhattacharyya, S Prawer

Journal article  |  2020  |  PHYSICAL REVIEW B

We present a study of the structural and electronic properties of ultrananocrystalline diamond films that were modified by adding ..

3D Diamond Electrode Array for High-Acuity Stimulation in Neural Tissue

MEM Stamp, W Tong, K Ganesan, S Prawer, MR Ibbotson, DJ Garrett

Journal article  |  2020  |  ACS Applied Bio Materials

Innovations in micro-and nanofabrication technologies enable the manufacture of multielectrode arrays for use in neuromodulation a..

Improved visual acuity using a retinal implant and an optimized stimulation strategy

Wei Tong, Melanie Stamp, Nicholas Apollo, Kumaravelu Ganesan, Hamish Meffin, Steven Prawer, David J Garrett, Michael R Ibbotson

Journal article  |  2020  |  Journal of Neural Engineering

Objective. Retinal prosthetic devices hold great promise for the treatment of retinal degenerative diseases such as retinitis pigm..

Hybrid diamond/ carbon fiber microelectrodes enable multimodal electrical/chemical neural interfacing

Maryam A Hejazi, Wei Tong, Alastair Stacey, Artemio Soto-Breceda, Michael R Ibbotson, Molis Yunzab, Matias I Maturana, Ali Almasi, Young Jun Jung, Shi Sun, Hamish Meffin, Jian Fang, Melanie EM Stamp, Kumaravelu Ganesan, Kate Fox, Aaqil Rifai, Athavan Nadarajah, Samira Falahatdoost, Steven Prawer, Nicholas V Apollo, et al.

Journal article  |  2020  |  Biomaterials

Implantable medical devices are now in regular use to treat or ameliorate medical conditions, including movement disorders, chroni..

Direct Electrohydrodynamic Patterning of High-Performance All Metal Oxide Thin-Film Electronics.

You Liang, Jason Yong, Yang Yu, Ampalavanapillai Nirmalathas, Kumaravelu Ganesan, Robin Evans, Babak Nasr, Efstratios Skafidas

Journal article  |  2019  |  ACS Nano

In this paper, we propose a scalable approach toward all-printed high-performance metal oxide thin-film transistors (TFTs), using ..