Henning, Ian D., Adams, Michael J., Vaughan, Martin, Abraham, Thomas, Sun, Yun, Dyson, Angela, Moodie, David G., Rogers, Dave C., Cannard, Paul J., Dosanjh, Sukhjiban, Skuse, Mark, Firth, Richard J., "Novel antenna-integrated photodiodes with strained absorbers designed for use as terahertz sources", Ieee Journal Of Selected Topics In Quantum Electronics, 2011