Key pubilcations on Terahertz Technology

The application of one-dimensional nanostructures in terahertz frequency devices Peng et al. Appl. Phys. Rev., 8:041314 (Dec 2021) [ pdf ][ DOI:10.1063/5.0060797 ] We review the exciting field of 1D terahertz devices, with emphasis on semiconductor nanowires and carbon nanotubes	Hot electron cooling in InSb probed by ultrafast time-resolved terahertz cyclotron resonance Xia et al. Phys. Rev. B, 103:245205 (Jun 2021) [ pdf ][ DOI:10.1103/PhysRevB.103.245205 ] We develop and apply the technique of time resolved cyclotron resonance to observe electron cooling in the narrow bandgap semiconductor indium antimonide and find excellent agreement with first principles GW calculations.	Temperature-dependent refractive index of quartz at terahertz frequencies Davies et al. J. Infrared Millim. Terahertz Waves, 39:1236-1248 (Dec 2018) [ pdf ][ DOI:10.1007/s10762-018-0538-7 ]
An ultrafast switchable terahertz polarization modulator based on iii-v semiconductor nanowires Baig et al. Nano Lett., 17:2603-2610 (Apr 2017) [ pdf ][ DOI:10.1021/acs.nanolett.7b00401 ] Here, we present a novel ultrafast active THz polarization modulator based on GaAs semiconductor nanowires. The device has a picosecond switching time and broad bandwidth (0.1 and 4 THz).	The 2017 terahertz science and technology roadmap Dhillon et al. J. Phys. D-Appl. Phys., 50:043001 (Feb 2017) [ pdf ][ DOI:10.1088/1361-6463/50/4/043001 ] Comprehensive roadmap of terahertz science and technology in 2017. This 50 page article reviews that state-of-the-art and predicts future directions or research.	Single Nanowire Photoconductive Terahertz Detectors Peng et al. Nano Lett., 15:206-210 (Jan 2015) [ pdf ][ DOI:10.1021/nl5033843 ] We have developed a phase sensitive detector of coherent THz radiation based on a single nanowire. The device uses one GaAs/AlGaAs core-shell nanowire as is active component.
An ultrafast carbon nanotube terahertz polarisation modulator Docherty et al. J. Appl. Phys., 115:203108 (May 2014) [ pdf ][ DOI:10.1063/1.4879895 ] We demonstrate the potential of unaligned carbon nanotubes as dynamically tunable THz polarisers	Improved performance of {GaAs}-based terahertz emitters via surface passivation and silicon nitride encapsulation Headley et al. IEEE J. Sel. Top. Quantum Electron., 17:17-21 (Jan 2011) [ pdf ][ DOI:10.1109/JSTQE.2010.2047006 ] We have improved the stability and performance of terahertz photoconductive switches using a combination of chemical surface passivation and silicon nitride encapsulation.	Photoconductive response correction for detectors of terahertz radiation Castro-Camus et al. J. Appl. Phys., 104:053113 (Sep 2008) [ pdf ][ DOI:10.1063/1.2969035 ] We present a deconvolution method for correcting the spectral response of photoconductive THz detectors. We have also optimised ion-implanted materials for THz detector applications.
Simulation and optimisation of terahertz emission from InGaAs and InP photoconductive switches Lloyd-Hughes et al. Solid State Commun., 136:595-600 (Dec 2005) [ pdf ][ DOI:10.1016/j.ssc.2005.09.037 ] We simulate the terahertz emission from laterally biased InGaAs and InP using a three-dimensional carrier dynamics model in order to optimise the semiconductor material.	Generation of high-power terahertz pulses in a prism Johnston et al. Opt. Lett., 27:1935-1937 (Nov 2002) [ pdf ][ DOI:10.1364/OL.27.001935 ] A compact, high-power emitter of half-cycle terahertz (THz) radiation is demonstrated which produces pulses 20 times more powerful than conventional emitters.	Simulation of terahertz generation at semiconductor surfaces Johnston et al. Phys. Rev. B, 65:165301 (Apr 2002) [ pdf ][ DOI:10.1103/PhysRevB.65.165301 ] A semiclassical Monte Carlo model was developed which was used to distinguish between surface depletion field and photo-Dember mechanisms for generating THz radiation, and explain magnetic field enhanced THz generation.