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Pulse control protocols for preserving coherence in dipolar-coupled nuclear spin baths.

Waeber AM, Gillard G, Ragunathan G, Hopkinson M, Spencer P, Ritchie DA, Skolnick MS, Chekhovich EA.

Nat Commun. 2019 Jul 17;10(1):3157. doi: 10.1038/s41467-019-11160-6.


Momentum-dependent power law measured in an interacting quantum wire beyond the Luttinger limit.

Jin Y, Tsyplyatyev O, Moreno M, Anthore A, Tan WK, Griffiths JP, Farrer I, Ritchie DA, Glazman LI, Schofield AJ, Ford CJB.

Nat Commun. 2019 Jun 27;10(1):2821. doi: 10.1038/s41467-019-10613-2.


Amplification of nonlinear polariton pulses in waveguides.

Tapia Rodriguez LE, Walker PM, Sigurdsson H, Royall B, Farrer I, Ritchie DA, Yulin AV, Shelykh IA, Skolnick MS, Krizhanovskii DN.

Opt Express. 2019 Apr 15;27(8):10692-10704. doi: 10.1364/OE.27.010692.


Frequency-tunable continuous-wave random lasers at terahertz frequencies.

Biasco S, Beere HE, Ritchie DA, Li L, Davies AG, Linfield EH, Vitiello MS.

Light Sci Appl. 2019 May 1;8:43. doi: 10.1038/s41377-019-0152-z. eCollection 2019.


Zero-Magnetic Field Fractional Quantum States.

Kumar S, Pepper M, Holmes SN, Montagu H, Gul Y, Ritchie DA, Farrer I.

Phys Rev Lett. 2019 Mar 1;122(8):086803. doi: 10.1103/PhysRevLett.122.086803.


Long-term transmission of entangled photons from a single quantum dot over deployed fiber.

Xiang ZH, Huwer J, Stevenson RM, Skiba-Szymanska J, Ward MB, Farrer I, Ritchie DA, Shields AJ.

Sci Rep. 2019 Mar 11;9(1):4111. doi: 10.1038/s41598-019-40912-z.


A Josephson relation for fractionally charged anyons.

Kapfer M, Roulleau P, Santin M, Farrer I, Ritchie DA, Glattli DC.

Science. 2019 Feb 22;363(6429):846-849. doi: 10.1126/science.aau3539. Epub 2019 Jan 24.


Spatiotemporal continuum generation in polariton waveguides.

Walker PM, Whittaker CE, Skryabin DV, Cancellieri E, Royall B, Sich M, Farrer I, Ritchie DA, Skolnick MS, Krizhanovskii DN.

Light Sci Appl. 2019 Jan 16;8:6. doi: 10.1038/s41377-019-0120-7. eCollection 2019.


Conductance quantisation in patterned gate In0.75Ga0.25As structures up to 6  ×  (2e 2/h).

Gul Y, Creeth GL, English D, Holmes SN, Thomas KJ, Farrer I, Ellis DJ, Ritchie DA, Pepper M.

J Phys Condens Matter. 2019 Mar 13;31(10):104002. doi: 10.1088/1361-648X/aafd05. Epub 2019 Jan 9.


Systematic Study of Ferromagnetism in CrxSb2-xTe3 Topological Insulator Thin Films using Electrical and Optical Techniques.

Singh A, Kamboj VS, Liu J, Llandro J, Duffy LB, Senanayak SP, Beere HE, Ionescu A, Ritchie DA, Hesjedal T, Barnes CHW.

Sci Rep. 2018 Nov 19;8(1):17024. doi: 10.1038/s41598-018-35118-8.


LO-Phonon Emission Rate of Hot Electrons from an On-Demand Single-Electron Source in a GaAs/AlGaAs Heterostructure.

Johnson N, Emary C, Ryu S, Sim HS, See P, Fletcher JD, Griffiths JP, Jones GAC, Farrer I, Ritchie DA, Pepper M, Janssen TJBM, Kataoka M.

Phys Rev Lett. 2018 Sep 28;121(13):137703. doi: 10.1103/PhysRevLett.121.137703.


Electrical Control of the Zeeman Spin Splitting in Two-Dimensional Hole Systems.

Marcellina E, Srinivasan A, Miserev DS, Croxall AF, Ritchie DA, Farrer I, Sushkov OP, Culcer D, Hamilton AR.

Phys Rev Lett. 2018 Aug 17;121(7):077701. doi: 10.1103/PhysRevLett.121.077701.


Continuous-wave laser operation of a dipole antenna terahertz microresonator.

Masini L, Pitanti A, Baldacci L, Vitiello MS, Degl'Innocenti R, Beere HE, Ritchie DA, Tredicucci A.

Light Sci Appl. 2017 Oct 6;6(10):e17054. doi: 10.1038/lsa.2017.54. eCollection 2017 Oct.


Correlating Photoluminescence and Structural Properties of Uncapped and GaAs-Capped Epitaxial InGaAs Quantum Dots.

Dey AB, Sanyal MK, Farrer I, Perumal K, Ritchie DA, Li Q, Wu J, Dravid V.

Sci Rep. 2018 May 14;8(1):7514. doi: 10.1038/s41598-018-25841-7.


Continuous-wave highly-efficient low-divergence terahertz wire lasers.

Biasco S, Garrasi K, Castellano F, Li L, Beere HE, Ritchie DA, Linfield EH, Davies AG, Vitiello MS.

Nat Commun. 2018 Mar 16;9(1):1122. doi: 10.1038/s41467-018-03440-4.


A quantum light-emitting diode for the standard telecom window around 1,550 nm.

Müller T, Skiba-Szymanska J, Krysa AB, Huwer J, Felle M, Anderson M, Stevenson RM, Heffernan J, Ritchie DA, Shields AJ.

Nat Commun. 2018 Feb 28;9(1):862. doi: 10.1038/s41467-018-03251-7.


High mobility In0.75Ga0.25As quantum wells in an InAs phonon lattice.

Chen C, Holmes SN, Farrer I, Beere HE, Ritchie DA.

J Phys Condens Matter. 2018 Feb 16;30(10):105705. doi: 10.1088/1361-648X/aaa947. [Epub ahead of print]


High mobility In<sub>0.75</sub>Ga<sub>0.25</sub>As quantum wells in an InAs phonon lattice.

Chen C, Holmes SN, Farrer I, Beere HE, Ritchie DA.

J Phys Condens Matter. 2018 Jan 19. doi: 10.1088/1361-648X/aaa947. [Epub ahead of print]


Coherent detection of THz laser signals in optical fiber systems.

Folland TG, Marshall OP, Beere HE, Ritchie DA, Chakraborty S.

Opt Express. 2017 Oct 16;25(21):25566-25573. doi: 10.1364/OE.25.025566.


Dark Solitons in High Velocity Waveguide Polariton Fluids.

Walker PM, Tinkler L, Royall B, Skryabin DV, Farrer I, Ritchie DA, Skolnick MS, Krizhanovskii DN.

Phys Rev Lett. 2017 Sep 1;119(9):097403. doi: 10.1103/PhysRevLett.119.097403. Epub 2017 Aug 31.


Mechanisms for Strong Anisotropy of In-Plane g-Factors in Hole Based Quantum Point Contacts.

Miserev DS, Srinivasan A, Tkachenko OA, Tkachenko VA, Farrer I, Ritchie DA, Hamilton AR, Sushkov OP.

Phys Rev Lett. 2017 Sep 15;119(11):116803. doi: 10.1103/PhysRevLett.119.116803. Epub 2017 Sep 12.


Contactless graphene conductivity mapping on a wide range of substrates with terahertz time-domain reflection spectroscopy.

Lin H, Braeuninger-Weimer P, Kamboj VS, Jessop DS, Degl'Innocenti R, Beere HE, Ritchie DA, Zeitler JA, Hofmann S.

Sci Rep. 2017 Sep 6;7(1):10625. doi: 10.1038/s41598-017-09809-7.


On-Chip Andreev Devices: Hard Superconducting Gap and Quantum Transport in Ballistic Nb-In0.75 Ga0.25 As-Quantum-Well-Nb Josephson Junctions.

Delfanazari K, Puddy RK, Ma P, Yi T, Cao M, Gul Y, Farrer I, Ritchie DA, Joyce HJ, Kelly MJ, Smith CG.

Adv Mater. 2017 Oct;29(37). doi: 10.1002/adma.201701836. Epub 2017 Aug 14.


External amplitude and frequency modulation of a terahertz quantum cascade laser using metamaterial/graphene devices.

Kindness SJ, Jessop DS, Wei B, Wallis R, Kamboj VS, Xiao L, Ren Y, Braeuninger-Weimer P, Aria AI, Hofmann S, Beere HE, Ritchie DA, Degl'Innocenti R.

Sci Rep. 2017 Aug 9;7(1):7657. doi: 10.1038/s41598-017-07943-w.


Controlled spatial separation of spins and coherent dynamics in spin-orbit-coupled nanostructures.

Lo ST, Chen CH, Fan JC, Smith LW, Creeth GL, Chang CW, Pepper M, Griffiths JP, Farrer I, Beere HE, Jones GAC, Ritchie DA, Chen TM.

Nat Commun. 2017 Jul 10;8:15997. doi: 10.1038/ncomms15997.


High Open-Circuit Voltages in Tin-Rich Low-Bandgap Perovskite-Based Planar Heterojunction Photovoltaics.

Zhao B, Abdi-Jalebi M, Tabachnyk M, Glass H, Kamboj VS, Nie W, Pearson AJ, Puttisong Y, Gödel KC, Beere HE, Ritchie DA, Mohite AD, Dutton SE, Friend RH, Sadhanala A.

Adv Mater. 2017 Jan;29(2). doi: 10.1002/adma.201604744. Epub 2016 Nov 7.


Investigation of hollow cylindrical metal terahertz waveguides suitable for cryogenic environments.

Wallis R, Innocenti RD, Jessop DS, Mitrofanov O, Bledt CM, Melzer JE, Harrington JA, Beere HE, Ritchie DA.

Opt Express. 2016 Dec 26;24(26):30002-30014. doi: 10.1364/OE.24.030002.


Anisotropic Pauli Spin Blockade of Holes in a GaAs Double Quantum Dot.

Wang DQ, Klochan O, Hung JT, Culcer D, Farrer I, Ritchie DA, Hamilton AR.

Nano Lett. 2016 Dec 14;16(12):7685-7689. Epub 2016 Dec 1.


Nonlinear spectra of spinons and holons in short GaAs quantum wires.

Moreno M, Ford CJ, Jin Y, Griffiths JP, Farrer I, Jones GA, Ritchie DA, Tsyplyatyev O, Schofield AJ.

Nat Commun. 2016 Sep 15;7:12784. doi: 10.1038/ncomms12784.


Spin-Dependent Transport in Fe/GaAs(100)/Fe Vertical Spin-Valves.

Wong PK, Zhang W, Wu J, Will IG, Xu Y, Xia K, Holmes SN, Farrer I, Beere HE, Ritchie DA.

Sci Rep. 2016 Jul 19;6:29845. doi: 10.1038/srep29845.


A semiconductor photon-sorter.

Bennett AJ, Lee JP, Ellis DJ, Farrer I, Ritchie DA, Shields AJ.

Nat Nanotechnol. 2016 Oct;11(10):857-860. doi: 10.1038/nnano.2016.113. Epub 2016 Jul 18.


Double-layer-gate architecture for few-hole GaAs quantum dots.

Wang DQ, Hamilton AR, Farrer I, Ritchie DA, Klochan O.

Nanotechnology. 2016 Aug 19;27(33):334001. doi: 10.1088/0957-4484/27/33/334001. Epub 2016 Jul 8.


Topological states and phase transitions in Sb2Te3-GeTe multilayers.

Nguyen TA, Backes D, Singh A, Mansell R, Barnes C, Ritchie DA, Mussler G, Lanius M, Grützmacher D, Narayan V.

Sci Rep. 2016 Jun 13;6:27716. doi: 10.1038/srep27716.


Single-Photon Superradiance from a Quantum Dot.

Tighineanu P, Daveau RS, Lehmann TB, Beere HE, Ritchie DA, Lodahl P, Stobbe S.

Phys Rev Lett. 2016 Apr 22;116(16):163604. doi: 10.1103/PhysRevLett.116.163604. Epub 2016 Apr 21.


Cavity-enhanced coherent light scattering from a quantum dot.

Bennett AJ, Lee JP, Ellis DJ, Meany T, Murray E, Floether FF, Griffths JP, Farrer I, Ritchie DA, Shields AJ.

Sci Adv. 2016 Apr 22;2(4):e1501256. doi: 10.1126/sciadv.1501256. eCollection 2016 Apr.


Time-of-Flight Measurements of Single-Electron Wave Packets in Quantum Hall Edge States.

Kataoka M, Johnson N, Emary C, See P, Griffiths JP, Jones GA, Farrer I, Ritchie DA, Pepper M, Janssen TJ.

Phys Rev Lett. 2016 Mar 25;116(12):126803. doi: 10.1103/PhysRevLett.116.126803. Epub 2016 Mar 22.


Improved Tuning Fork for Terahertz Quartz-Enhanced Photoacoustic Spectroscopy.

Sampaolo A, Patimisco P, Giglio M, Vitiello MS, Beere HE, Ritchie DA, Scamarcio G, Tittel FK, Spagnolo V.

Sensors (Basel). 2016 Mar 25;16(4):439. doi: 10.3390/s16040439.


Hyperuniform disordered terahertz quantum cascade laser.

Degl'Innocenti R, Shah YD, Masini L, Ronzani A, Pitanti A, Ren Y, Jessop DS, Tredicucci A, Beere HE, Ritchie DA.

Sci Rep. 2016 Jan 13;6:19325. doi: 10.1038/srep19325.


Density dependent composition of InAs quantum dots extracted from grazing incidence x-ray diffraction measurements.

Sharma M, Sanyal MK, Farrer I, Ritchie DA, Dey AB, Bhattacharyya A, Seeck OH, Skiba-Szymanska J, Felle M, Bennett AJ, Shields AJ.

Sci Rep. 2015 Oct 28;5:15732. doi: 10.1038/srep15732.


Efficient coupling of double-metal terahertz quantum cascade lasers to flexible dielectric-lined hollow metallic waveguides.

Wallis R, Degl'Iinnocenti R, Jessop DS, Ren Y, Klimont A, Shah YD, Mitrofanov O, Bledt CM, Melzer JE, Harrington JA, Beere HE, Ritchie DA.

Opt Express. 2015 Oct 5;23(20):26276-87. doi: 10.1364/OE.23.026276.


Ultra-low-power hybrid light-matter solitons.

Walker PM, Tinkler L, Skryabin DV, Yulin A, Royall B, Farrer I, Ritchie DA, Skolnick MS, Krizhanovskii DN.

Nat Commun. 2015 Sep 24;6:8317. doi: 10.1038/ncomms9317.


Hierarchy of modes in an interacting one-dimensional system.

Tsyplyatyev O, Schofield AJ, Jin Y, Moreno M, Tan WK, Ford CJ, Griffiths JP, Farrer I, Jones GA, Ritchie DA.

Phys Rev Lett. 2015 May 15;114(19):196401. Epub 2015 May 11.


THz saturable absorption in turbostratic multilayer graphene on silicon carbide.

Bianco F, Miseikis V, Convertino D, Xu JH, Castellano F, Beere HE, Ritchie DA, Vitiello MS, Tredicucci A, Coletti C.

Opt Express. 2015 May 4;23(9):11632-40. doi: 10.1364/OE.23.011632.


Phase-locked arrays of surface-emitting graded-photonic-heterostructure terahertz semiconductor lasers.

Halioua Y, Xu G, Moumdji S, Li L, Zhu J, Linfield EH, Davies AG, Beere HE, Ritchie DA, Colombelli R.

Opt Express. 2015 Mar 9;23(5):6915-23. doi: 10.1364/OE.23.006915.


THz waveguide adapters for efficient radiation out-coupling from double metal THz QCLs.

Castellano F, Li L, Linfield EH, Davies AG, Beere HE, Ritchie DA, Vitiello MS.

Opt Express. 2015 Feb 23;23(4):5190-200. doi: 10.1364/OE.23.005190.


Demonstration of a fully integrated superconducting receiver with a 2.7 THz quantum cascade laser.

Miao W, Lou Z, Xu GY, Hu J, Li SL, Zhang W, Zhou KM, Yao QJ, Zhang K, Duan WY, Shi SC, Colombelli R, Beere HE, Ritchie DA.

Opt Express. 2015 Feb 23;23(4):4453-8. doi: 10.1364/OE.23.004453.


Harvesting dissipated energy with a mesoscopic ratchet.

Roche B, Roulleau P, Jullien T, Jompol Y, Farrer I, Ritchie DA, Glattli DC.

Nat Commun. 2015 Apr 1;6:6738. doi: 10.1038/ncomms7738.


Detecting noise with shot noise using on-chip photon detector.

Jompol Y, Roulleau P, Jullien T, Roche B, Farrer I, Ritchie DA, Glattli DC.

Nat Commun. 2015 Jan 27;6:6130. doi: 10.1038/ncomms7130.


All-electric all-semiconductor spin field-effect transistors.

Chuang P, Ho SC, Smith LW, Sfigakis F, Pepper M, Chen CH, Fan JC, Griffiths JP, Farrer I, Beere HE, Jones GA, Ritchie DA, Chen TM.

Nat Nanotechnol. 2015 Jan;10(1):35-9. doi: 10.1038/nnano.2014.296. Epub 2014 Dec 22.


Noncollinear paramagnetism of a GaAs two-dimensional hole system.

Yeoh LA, Srinivasan A, Klochan O, Winkler R, Zülicke U, Simmons MY, Ritchie DA, Pepper M, Hamilton AR.

Phys Rev Lett. 2014 Dec 5;113(23):236401. Epub 2014 Dec 3.


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