Josh Nunn &ndash; Research Output

2019

Experimental Demonstration of Quantum Effects in the Operation of Microscopic Heat Engines

Klatzow, J., Becker, J. N., Ledingham, P. M., Weinzetl, C., Kaczmarek, K. T., Saunders, D. J., Nunn, J., Walmsley, I. A., Uzdin, R. & Poem, E., 22 Mar 2019, In : Physical Review Letters. 122, 11, p. 1-6 6 p., 110601.

Research output: Contribution to journal › Article

Raman quantum memory with built-in suppression of four-wave-mixing noise

Thomas, S. E., Hird, T. M., Munns, J. H. D., Brecht, B., Saunders, D. J., Nunn, J., Walmsley, I. A. & Ledingham, P. M., 3 Sep 2019, In : Physical Review A. 100, 3, 033801.

Research output: Contribution to journal › Article

3 Citations (Scopus)

Roadmap on all-optical processing

Minzioni, P., Lacava, C., Tanabe, T., Dong, J., Hu, X., Csaba, G., Porod, W., Singh, G., Willner, A. E., Almaiman, A., Torres-Company, V., Schröder, J., Peacock, A. C., Strain, M. J., Parmigiani, F., Contestabile, G., Marpaung, D., Liu, Z., Bowers, J. E., Chang, L. & 12 others, Fabbri, S., Ramos Vázquez, M., Bharadwaj, V., Eaton, S. M., Lodahl, P., Zhang, X., Eggleton, B. J., Munro, W. J., Nemoto, K., Morin, O., Laurat, J. & Nunn, J., 17 May 2019, In : Journal of Optics (United Kingdom). 21, 6, 063001.

Research output: Contribution to journal › Article

Open Access

2018

Engineering the spectral and temporal properties of a GHz-bandwidth heralded single-photon source interfaced with an on-demand, broadband quantum memory

Michelberger, P. S., Karpiński, M., Walmsley, I. A. & Nunn, J., 2018, In : Journal of Modern Optics. 65, 14, p. 1668-1679 12 p.

Research output: Contribution to journal › Article

engineering

broadband

bandwidth

photons

purity

18 Citations (Scopus)

High-speed noise-free optical quantum memory

Kaczmarek, K. T., Ledingham, P. M., Brecht, B., Thomas, S. E., Thekkadath, G. S., Lazo-Arjona, O., Munns, J. H. D., Poem, E., Feizpour, A., Saunders, D. J., Nunn, J. & Walmsley, I. A., 10 Apr 2018, In : Physical Review A. 97, 4, 042316.

Research output: Contribution to journal › Article

high speed

photons

communication

signatures

statistics

1 Citation (Scopus)

Two-Way Photonic Interface for Linking the Sr+ Transition at 422 nm to the Telecommunication C Band

Wright, T. A., Francis-Jones, R. J. A., Gawith, C. B. E., Becker, J. N., Ledingham, P. M., Smith, P. G. R., Nunn, J., Mosley, P. J., Brecht, B. & Walmsley, I. A., 31 Oct 2018, In : Physical Review Applied. 10, 4, p. 1-8 8 p., 044012.

Research output: Contribution to journal › Article

Open Access

2017

A room-temperature noise-free quantum memory for broadband light

Kaczmarek, K. T., Ledingham, P. M., Brecht, B., Thomas, S., Thekkadath, G. S., Lazo-Arjona, O., Munns, J. H. D., Poem, E., Feizpour, A., Nunn, J., Saunders, D. J. & Walmsley, I. A., Mar 2017, In : arXiv.

Research output: Contribution to journal › Article

13 Citations (Scopus)

Femtosecond laser inscription of Bragg grating waveguides in bulk diamond

Bharadwaj, V., Courvoisier, A., Fernandez-Hart, T., Ramponi, R., Galzerano, G., Nunn, J., Booth, M. J., Osellame, R., Eaton, S. M. & Salter, P. S., 1 Sep 2017, In : Optics Letters. 42, 17, p. 3451-3453 3 p.

Research output: Contribution to journal › Article

Bragg gratings

diamonds

waveguides

photonics

lasers

14 Citations (Scopus)

Theory of noise suppression in Λ -type quantum memories by means of a cavity

Nunn, J., Munns, J. H. D., Thomas, S. E., Kaczmarek, K. T., Qiu, C., Feizpour, A., Poem, E., Brecht, B., Saunders, D. E. J., Ledingham, P. M., Reddy, D. V., Raymer, M. G. & Walmsley, I. A., 31 Jul 2017, In : Physical Review A. 96, 1, 012338.

Research output: Contribution to journal › Article

Open Access

retarding

cavities

photons

four-wave mixing

routes

2016

50 Citations (Scopus)

11 Downloads (Pure)

Cavity-enhanced room-temperature broadband Raman memory

Saunders, D. J., Munns, J. H. D., Champion, T. F. M., Qiu, C., Kaczmarek, K. T., Poem, E., Ledingham, P. M., Walmsley, I. A. & Nunn, J., 4 Mar 2016, In : Physical Review Letters. 116, 9, p. 1-5 5 p., 090501.

Research output: Contribution to journal › Article

broadband

cavities

room temperature

four-wave mixing

vapors

5 Citations (Scopus)

Editorial: Building Quantum Networks

Walmsley, I. A. & Nunn, J., 21 Oct 2016, In : Physical Review Applied. 6, 4, 1 p., 040001.

Research output: Contribution to journal › Article

6 Citations (Scopus)

In situ characterization of an optically thick atom-filled cavity

Munns, JHD., Qiu, C., Ledingham, PM., Walmsley, IA., Nunn, J. & Saunders, DJ., 2016, In : Physical Review A. 93, 1, p. 013858 1 p., 013858.

Research output: Contribution to journal › Article

cavities

atoms

cesium vapor

monatomic gases

optical density

2015

14 Citations (Scopus)

Broadband noise-free optical quantum memory with neutral nitrogen-vacancy centers in diamond

Poem, E., Weinzetl, C., Klatzow, J., Kaczmarek, K. T., Munns, J. H. D., Champion, T. F. M., Saunders, D. J., Nunn, J. & Walmsley, I. A., 8 May 2015, In : Physical Review B : Condensed Matter and Materials Physics. 91, 20, 205108.

Research output: Contribution to journal › Article

Diamond

Ground state

Vacancies

Diamonds

Nitrogen

46 Citations (Scopus)

Interfacing GHz-bandwidth heralded single photons with a warm vapour Raman memory

Michelberger, P. S., Champion, T. F. M., Sprague, M. R., Kaczmarek, K. T., Barbieri, M., Jin, X. M., England, D. G., Kolthammer, W. S., Saunders, D. J., Nunn, J. & Walmsley, I. A., 1 Apr 2015, In : New Journal of Physics. 17, 043006.

Research output: Contribution to journal › Article

vapors

bandwidth

photons

multiplexing

traveling waves

6 Citations (Scopus)

Nonclassical correlations between terahertz-bandwidth photons mediated by rotational quanta in hydrogen molecules

Bustard, P. J., Erskine, J., England, D. G., Nunn, J., Hockett, P., Lausten, R., Spanner, M. & Sussman, B. J., 15 Mar 2015, In : Optics Letters. 40, 6, p. 922-925 4 p.

Research output: Contribution to journal › Article

Open Access

bandwidth

photons

hydrogen

photonics

molecules

17 Citations (Scopus)

Tomography of photon-number resolving continuous-output detectors

Humphreys, P. C., Metcalf, B. J., Gerrits, T., Hiemstra, T., Lita, A. E., Nunn, J., Nam, S. W., Datta, A., Kolthammer, W. S. & Walmsley, I. A., 21 Oct 2015, In : New Journal of Physics. 17, 10, 103044.

Research output: Contribution to journal › Article

tomography

output

detectors

photons

principal components analysis

19 Citations (Scopus)

Ultrahigh and persistent optical depths of cesium in Kagomé-type hollow-core photonic crystal fibers

Kaczmarek, K. T., Saunders, D. J., Sprague, M. R., Kolthammer, W. S., Feizpour, A., Ledingham, P. M., Brecht, B., Poem, E., Walmsley, I. A. & Nunn, J., 1 Dec 2015, In : Optics Letters. 40, 23, p. 5582-5585 4 p.

Research output: Contribution to journal › Article

cesium

optical thickness

hollow

photonics

fibers

2014

93 Citations (Scopus)

Broadband single-photon-level memory in a hollow-core photonic crystal fibre

Sprague, M. R., Michelberger, P. S., Champion, T. F. M., England, D. G., Nunn, J., Jin, X. M., Kolthammer, W. S., Abdolvand, A., Russell, P. S. J. & Walmsley, I. A., 16 Mar 2014, In : Nature Photonics. 8, 4, p. 287-291 5 p.

Research output: Contribution to journal › Article

Photonic crystal fibers

hollow

Photons

photonics

broadband

37 Citations (Scopus)

Continuous-variable quantum computing in optical time-frequency modes using quantum memories

Humphreys, P. C., Kolthammer, W. S., Nunn, J., Barbieri, M., Datta, A. & Walmsley, I. A., 25 Sep 2014, In : Physical Review Letters. 113, 3, 130502.

Research output: Contribution to journal › Article

quantum computation

coding

selectivity

photonics

11 Citations (Scopus)

Efficient Raman generation in a waveguide: A route to ultrafast quantum random number generation

England, D. G., Bustard, P. J., Moffatt, D. J., Nunn, J., Lausten, R. & Sussman, B. J., Feb 2014, In : Applied Physics Letters. 104, 5, 051117.

Research output: Contribution to journal › Article

random numbers

routes

Raman spectra

waveguides

potassium phosphates

2013

5 Citations (Scopus)

Compact entanglement distillery using realistic quantum memories

Chakhmakhchyan, L., Guérin, S., Nunn, J. & Datta, A., 11 Oct 2013, In : Physical Review A: Atomic, Molecular, and Optical Physics. 88, 4, 042312.

Research output: Contribution to journal › Article

subtraction

beam splitters

transmissivity

distillation

interactions

24 Citations (Scopus)

Efficient optical pumping and high optical depth in a hollow-core photonic-crystal fibre for a broadband quantum memory

Sprague, M. R., England, D. G., Abdolvand, A., Nunn, J., Jin, X. M., Steven Kolthammer, W., Barbieri, M., Rigal, B., Michelberger, P. S., Champion, T. F. M., Russell, P. S. J. & Walmsley, I. A., May 2013, In : New Journal of Physics. 15, 055013.

Research output: Contribution to journal › Article

optical pumping

optical thickness

hollow

photonics

broadband

83 Citations (Scopus)

Enhancing multiphoton rates with quantum memories

Nunn, J., Langford, N. K., Kolthammer, W. S., Champion, T. F. M., Sprague, M. R., Michelberger, P. S., Jin, X. M., England, D. G. & Walmsley, I. A., 25 Mar 2013, In : Physical Review Letters. 110, 13, 133601.

Research output: Contribution to journal › Article

photons

figure of merit

resources

bandwidth

scaling

1 Citation (Scopus)

Entang-bling: Observing quantum correlations in room-temperature solids

Walmsley, I. A., Lee, K. C., Sprague, MR., Sussman, BJ., Nunn, J., Langford, NK., Jin, X-M., Champion, T., Michelberger, P., Reim, KF., England, DG. & Jaksch, D., 2013, In : Journal of Physics: Conference Series. 442, 1, 012004.

Research output: Contribution to journal › Article

room temperature

diamonds

vibrational states

photons

47 Citations (Scopus)

From photons to phonons and back: A THz optical memory in diamond

England, D. G., Bustard, P. J., Nunn, J., Lausten, R. & Sussman, B. J., 9 Dec 2013, In : Physical Review Letters. 111, 24, 243601.

Research output: Contribution to journal › Article

phonons

diamonds

photons

four-wave mixing

bandwidth

74 Citations (Scopus)

Large-alphabet time-frequency entangled quantum key distribution by means of time-to-frequency conversion

Nunn, J., Wright, L. J., Söller, C., Zhang, L., Walmsley, I. A. & Smith, B. J., 1 Jul 2013, In : Optics Express. 21, 13, p. 15959-15973 15 p.

Research output: Contribution to journal › Article

alphabets

frequency converters

phase modulation

coding

degrees of freedom

1 Citation (Scopus)

Quantum engineering: Diamond envy

Nunn, J., 10 Feb 2013, In : Nature Physics. 9, 3, p. 136-137 2 p.

Research output: Contribution to journal › Article

14 Citations (Scopus)

Quantum random bit generation using energy fluctuations in stimulated Raman scattering

Bustard, P. J., England, D. G., Nunn, J., Moffatt, D., Spanner, M., Lausten, R. & Sussman, B. J., 2 Dec 2013, In : Optics Express. 21, 24, p. 29350-29357 8 p.

Research output: Contribution to journal › Article

Raman spectra

random numbers

pulses

data sampling

cryptography

8 Citations (Scopus)

Sequential path entanglement for quantum metrology

Jin, X. M., Peng, C. Z., Deng, Y., Barbieri, M., Nunn, J. & Walmsley, I. A., 7 May 2013, In : Scientific Reports. 3, 1779.

Research output: Contribution to journal › Article

Open Access

metrology

photons

resources

polarization

preparation

31 Citations (Scopus)

Strategies for enhancing quantum entanglement by local photon subtraction

Bartley, T. J., Crowley, P. JD., Datta, A., Nunn, J., Zhang, L. & Walmsley, I., 13 Feb 2013, In : Physical Review A. 87, 2, p. 022313

Research output: Contribution to journal › Article

subtraction

photons

transmissivity

beam splitters

compressing

2012

46 Citations (Scopus)

Compact continuous-variable entanglement distillation

Datta, A., Zhang, L., Nunn, J., Langford, N. K., Feito, A., Plenio, M. B. & Walmsley, I. A., 8 Feb 2012, In : Physical Review Letters. 108, 6, 060502.

Research output: Contribution to journal › Article

distillation

resources

modules

28 Citations (Scopus)

High-fidelity polarization storage in a gigahertz bandwidth quantum memory

England, D. G., Michelberger, P. S., Champion, T. F. M., Reim, K. F., Lee, K. C., Sprague, M. R., Jin, X. M., Langford, N. K., Kolthammer, W. S., Nunn, J. & Walmsley, I. A., 28 Jun 2012, In : Journal of Physics B: Atomic, Molecular and Optical Physics. 45, 12, 124008.

Research output: Contribution to journal › Article

bandwidth

polarization

large scale integration

rails

retrieval

72 Citations (Scopus)

Macroscopic non-classical states and terahertz quantum processing in room-temperature diamond

Lee, K. C., Sussman, B. J., Sprague, M. R., Michelberger, P., Reim, K. F., Nunn, J., Langford, N. K., Bustard, P. J., Jaksch, D. & Walmsley, I. A., Jan 2012, In : Nature Photonics. 6, 1, p. 41-44 4 p.

Research output: Contribution to journal › Article

Diamond

Diamonds

diamonds

room temperature

Processing

54 Citations (Scopus)

Multipulse addressing of a raman quantum memory: configurable beam splitting and efficient readout

Reim, K. F., Nunn, J., Jin, X-M., Michelberger, PS., Champion, TFM., England, D. G., Lee, KC., Kolthammer, WS., Langford, NK. & Walmsley, IA., 2012, In : Physical Review Letters. 108, 26, 263602.

Research output: Contribution to journal › Article

readout

beam splitters

photonics

quantum communication

quantum computation

Quantum diamonds

Nunn, J. & Walmsley, I., 2012, In : Optics and Photonics News. 23, 10, p. 34-41 8 p.

Research output: Contribution to journal › Article

Gems

Diamond

Quantum theory

quantum mechanics

Diamonds

2011

160 Citations (Scopus)

Entangling macroscopic diamonds at room temperature

Lee, K. C., Sprague, M. R., Sussman, B. J., Nunn, J., Langford, N. K., Jin, X. M., Champion, T., Michelberger, P., Reim, K. F., England, D., Jaksch, D. & Walmsley, I. A., 2 Dec 2011, In : Science. 334, 6060, p. 1253-1256 4 p.

Research output: Contribution to journal › Article

diamonds

room temperature

vibrational states

photons

19 Citations (Scopus)

Integrated photonic sensing

Thomas-Peter, N., Langford, N. K., Datta, A., Zhang, L., Smith, B. J., Spring, J. B., Metcalf, B. J., Coldenstrodt-Ronge, H. B., Hu, M. & Nunn, J., 2011, In : New Journal of Physics. 13, 5, 055024.

Research output: Contribution to journal › Article

Open Access

147 Citations (Scopus)

Single-photon-level quantum memory at room temperature

Reim, KF., Michelberger, P., Lee, KC., Nunn, J., Langford, NK. & Walmsley, IA., 25 Jul 2011, In : Physical Review Letters. 107, 5, p. 053603

Research output: Contribution to journal › Article

photons

room temperature

cesium vapor

repeaters

coherent light

2010

36 Citations (Scopus)

Comparing phonon dephasing lifetimes in diamond using transient coherent ultrafast phonon spectroscopy

Lee, KC., Sussman, B. J., Nunn, J., Lorenz, VO., Reim, K., Jaksch, D., Walmsley, IA., Spizzirri, P. & Prawer, S., 2010, In : Diamond and Related Materials. 19, 10, p. 1289-1295 7 p.

Research output: Contribution to journal › Article

Diamond

Diamonds

Spectroscopy

Vapors

Temperature

27 Citations (Scopus)

Optimal experiment design for quantum state tomography: Fair, precise, and minimal tomography

Nunn, J., Smith, BJ., Puentes, G., Walmsley, IA. & Lundeen, JS., 22 Apr 2010, In : Physical Review A. 81, 4, p. 042109 1 p.

Research output: Contribution to journal › Article

experiment design

tomography

inversions

optimization

simulation

6 Citations (Scopus)

Quantum memory in an optical lattice

Nunn, J., Dorner, U., Michelberger, P., Reim, KF., Lee, KC., Langford, NK., Walmsley, IA. & Jaksch, D., 23 Aug 2010, In : Physical Review A. 82, 2, p. 022327

Research output: Contribution to journal › Article

photons

atoms

group velocity

tuning

2009

Quantum optics: Putting quantum memories on ice

Nunn, J., 2009, In : Nature Photonics. 3, 9, p. 497-498 2 p.

Research output: Contribution to journal › Article

Quantum optics

quantum optics

Ice

quantum computation

Freezing

19 Citations (Scopus)

Simplified quantum process tomography

Branderhorst, MPA., Nunn, J., Walmsley, IA. & Kosut, RL., 2009, In : New Journal of Physics. 11, 11, p. 115010

Research output: Contribution to journal › Article

tomography

simplification

scaling

operators

estimates

2008

37 Citations (Scopus)

Efficient spatially resolved multimode quantum memory

Surmacz, K., Nunn, J., Reim, K., Lee, KC., Lorenz, VO., Sussman, B., Walmsley, IA. & Jaksch, D., 8 Sep 2008, In : Physical Review A. 78, 3, p. 033806 1 p.

Research output: Contribution to journal › Article

retrieval

spatial filtering

transverse momentum

simulation

32 Citations (Scopus)

Measuring phonon dephasing with ultrafast pulses using Raman spectral interference

Waldermann, FC., Sussman, B. J., Nunn, J., Lorenz, VO., Lee, KC., Surmacz, K., Lee, KH., Jaksch, D., Walmsley, IA. & Spizziri, P., 9 Oct 2008, In : Physical Review B. 78, 15, p. 155201

Research output: Contribution to journal › Article

Phonons

interference

phonons

pulses

Diamond

100 Citations (Scopus)

Multimode memories in atomic ensembles

Nunn, J., Reim, K., Lee, K. C., Lorenz, V. O., Sussman, B. J., Walmsley, I. A. & Jaksch, D., Dec 2008, In : Physical Review Letters. 101, 26, p. 260502 1 p.

Research output: Contribution to journal › Article

quantum communication

quantum computation

atoms

2007

71 Citations (Scopus)

Creating diamond color centers for quantum optical applications

Waldermann, FC., Olivero, P., Nunn, J., Surmacz, K., Wang, ZY., Jaksch, D., Taylor, RA., Walmsley, IA., Draganski, M. & Reichart, P., 2007, In : Diamond and Related Materials. 16, 11, p. 1887-1895 9 p.

Research output: Contribution to journal › Article

160 Citations (Scopus)

Mapping broadband single-photon wave packets into an atomic memory

Nunn, J., Walmsley, IA., Raymer, M. G., Surmacz, K., Waldermann, F. C., Wang, Z. & Jaksch, D., 22 Jan 2007, In : Physical Review A: Atomic, Molecular, and Optical Physics. 75, 1, 11401R.

Research output: Contribution to journal › Article

wave packets

broadband

decomposition

photons

pulses

2006

11 Citations (Scopus)

Entanglement fidelity of quantum memories

Surmacz, K., Nunn, J., Waldermann, FC., Wang, Z., Walmsley, IA. & Jaksch, D., 13 Nov 2006, In : Physical Review A. 74, 5, p. 050302 1 p.

Research output: Contribution to journal › Article

figure of merit

absorbers

photons