Optimization of photomixers and antennas for continuous-wave terahertz emission (2005)
Gregory, I.S., Baker, C., Tribe, W.R., Bradley, I.V., Evans, M.J., Linfield, E.H., ...
We have studied terahertz emission from interdigitated finger photomixers coupled to planar antenna structures. Using both pulsed and continuous-wave excitation, polarization measurements reveal that...
Optimization of photomixers and antennas for continuous-wave terahertz emission (2005)
Gregory, I.S., Baker, C., Tribe, W.R., Bradley, I.V., Evans, M.J., Linfield, E.H., ...
We have studied terahertz emission from interdigitated finger photomixers coupled to planar antenna structures. Using both pulsed and continuous-wave excitation, polarization measurements reveal that...
Optimization of photomixers and antennas for continuous-wave terahertz emission (2005)
Gregory, I.S., Baker, C., Tribe, W.R., Bradley, I.V., Evans, M.J., Linfield, E.H., ...
We have studied terahertz emission from interdigitated finger photomixers coupled to planar antenna structures. Using both pulsed and continuous-wave excitation, polarization measurements reveal that...
Far-infrared modulated photoluminescence spectroscopy of InSb/GaSb quantum dot structures (2003)
Child, R. A., Nicholas, R. J., Mason, N. J., Shields, P. A., Wells, J-P. R., Bradley, I. V., ...
The first far-infrared modulated photoluminescence (FIRM-PL) measurements in InSb/GaSb quantum dots have been performed. Far-infrared absorption is found to both enhance and suppress the quantum dot...
Free-electron laser spectroscopy of optically doped semiconductors (2003)
Gregorkiewicz, T., Forcales Fernandez, M., Klik, M.A.J., Bradley, I.V., Wells, J.P.R.
Band anticrossing in dilute InNxSb1-x (2002)
Murdin, B. N., Adams, A. R., Murzyn, P., Pidgeon, C. R., Bradley, I. V., Wells, J-P. R., ...
Dilute nitrogen alloys of InSb exhibit extremely strong band gap bowing with nitrogen composition that has been associated with anticrossing between the localized resonant states of the nitrogen...
Tan, H A, Xin, Z-J, Rutt, H N, Wells, J-P R., Bradley, I V
Electron intersubband lifetimes of 1.8 ps and 2.5 ps were measured in GaAs/AlGaAs asymmetric stepped quantum well samples by using a pump-probe three-beam technique at 4 K to room temperature. At...
Tan, H A, Xin, Z-J, Rutt, H N, Wells, J-P R., Bradley, I V
Electron intersubband lifetimes of 1.8 ps and 2.5 ps were measured in GaAs/AlGaAs asymmetric stepped quantum well samples by using a pump-probe three-beam technique at 4 K to room temperature. At...
Tan, H A, Xin, Z-J, Rutt, H N, Wells, J-P R., Bradley, I V
Electron intersubband lifetimes of 1.8 ps and 2.5 ps were measured in GaAs/AlGaAs asymmetric stepped quantum well samples by using a pump-probe three-beam technique at 4 K to room temperature. At...
Tan, H A, Xin, Z-J, Rutt, H N, Wells, J-P R., Bradley, I V
Electron intersubband lifetimes of 1.8 ps and 2.5 ps were measured in GaAs/AlGaAs asymmetric stepped quantum well samples by using a pump-probe three-beam technique at 4 K to room temperature. At...
Tan, H.A., Xin, Z.J., Rutt, H.N., Wells, J.P.R., Bradley, I.V.
Electron intersubband lifetimes of 1.8 ps and 2.5 ps were measured in GaAs/AlGaAs asymmetric stepped quantum well samples by using a pump–probe three-beam technique at 4 K to room temperature. At...
Optically induced de-excitation of RE ions in a semiconductor matrix (2002)
Klik, M.A.J., Gregorkiewicz, T., Bradley, I.V., Wells, J.P.R.
Afterglow effect in photoluminescence of Si:Er (2002)
Forcales Fernandez, M., Gregorkiewicz, T., Bradley, I.V., Wells, J.P.R.
Pump-probe measurements in asymmetric stepped quantum wells using FELIX (2001)
Tan, Hock Aun, Xin, Zhi-Jun, Rutt, Harvey N, Wells, J. P. R., Bradley, I. V.
Three beam pump-probe measurements in asymmetric stepped quantum wells were conducted using the FELIX free electron laser. We have measured electron intersubband lifetimes of 1.8 ps and 2.5 ps in two...
Auger recombination in long-wavelength infrared InNxSb1-x alloys (2001)
Murdin, B. N., Kamal-Saadi, M., Lindsay, A., O'Reilly, E. P., Adams, A. R., Nott, G. J., ...
Dilute nitrogen alloys of InSb exhibit strong band gap bowing with increasing nitrogen composition, shifting the absorption edge to longer wavelengths. The conduction band dispersion also has an...
Pump-probe measurements in asymmetric stepped quantum wells using FELIX (2001)
Tan, H A, Xin, Z-J, Rutt, H N, Wells, J P R, Bradley, I V
Three beam pump-probe measurements in asymmetric stepped quantum wells were conducted using the FELIX free electron laser. We have measured electron intersubband lifetimes of 1.8 ps and 2.5 ps in two...
Pump-probe measurements in asymmetric stepped quantum wells using FELIX (2001)
Tan, H A, Xin, Z-J, Rutt, H N, Wells, J P R, Bradley, I V
Three beam pump-probe measurements in asymmetric stepped quantum wells were conducted using the FELIX free electron laser. We have measured electron intersubband lifetimes of 1.8 ps and 2.5 ps in two...
Pump-probe measurements in asymmetric stepped quantum wells using FELIX (2001)
Tan, H A, Xin, Z-J, Rutt, H N, Wells, J P R, Bradley, I V
Three beam pump-probe measurements in asymmetric stepped quantum wells were conducted using the FELIX free electron laser. We have measured electron intersubband lifetimes of 1.8 ps and 2.5 ps in two...
Pump-probe measurements in asymmetric stepped quantum wells using FELIX (2001)
Tan, H.A., Xin, Z.J., Rutt, H.N., Wells, J.P.R., Bradley, I.V.
Three beam pump-probe measurements in asymmetric stepped quantum wells were conducted using the FELIX free electron laser. We have measured electron intersubband lifetimes of 1.8 ps and 2.5 ps in two...
Temporal characteristics of the optical storage effect in Si:Er (2001)
Forcales Fernandez, M., Bradley, I.V., Wells, J.P.R., Gregorkiewicz, T.
Time-resolved investigation of the mid-infrared-induced enhancement of Er3+ emission in Si (2001)
Forcales Fernandez, M., Bradley, I.V., Wells, J.P.R., Gregorkiewicz, T.
Optically induced Auger recombination of Yb3+ in p-type InP (2001)
Klik, M.A.J., Bradley, I.V., Wells, J.P.R., Gregorkiewicz, T.
Mid-infrared induced quenching of photoluminescence in Si:Er (2001)
Forcales Fernandez, M., Bradley, I.V., Wells, J.P.R., Gregorkiewicz, T.
Pump-probe measurements in asymmetric stepped quantum wells using FELIX (2001)
Tan, H A, Xin, Z-J, Rutt, H N, Wells, J P R, Bradley, I V
Three beam pump-probe measurements in asymmetric stepped quantum wells were conducted using the FELIX free electron laser. We have measured electron intersubband lifetimes of 1.8 ps and 2.5 ps in two...
Suppression of Auger recombination in long-wavelength quantum well W-structure lasers (2000)
Findlay, P. C., Wells, J-P. R., Bradley, I. V., Crowder, J. G., Pidgeon, C. R., Murdin, B. N., ...
Double-resonance spectroscopy of InAsÕGaAs self-assembled quantum dots (2000)
Murdin, B. N., Hollingworth, A. R., Barker, J. A., Clarke, D. G., Findlay, P. C., Pidgeon, C. R., ...
We present far-/near-infrared double resonance measurements of self-assembled InAs/GaAs quantum dots. The far-infrared resonance is unambiguously associated with a bound-bound intraband transition in...
Pidgeon, C. R., Wells, J.-P. R., Bradley, I. V., Murdin, B. N.
A brief review is given of lifetime and line broadening studies with the free electron laser at FOM-Rijnhuizen (FELIX), emphasising work on far infrared (FIR) modulated photoluminescence (PL) of...
Thesis (Ph. D.)--University of Surrey, 1993.