20062019
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Research Output 2006 2019

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2019
15 Citations (Scopus)

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 journalArticle

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 journalArticle

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 journalArticle

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 journalArticle

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 journalArticle

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 journalArticle

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 journalArticle

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 journalArticle

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 journalArticle

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 journalArticle

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 journalArticle

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 journalArticle

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 journalArticle

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 journalArticle

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 journalArticle

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 journalArticle

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 journalArticle

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 journalArticle

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 journalArticle

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 journalArticle

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 journalArticle

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 journalArticle

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 journalArticle

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 journalArticle

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 journalArticle

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 journalArticle

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 journalArticle

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 journalArticle

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 journalArticle

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 journalArticle

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 journalArticle

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 journalArticle

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 journalArticle

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 journalArticle

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 journalArticle

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 journalArticle

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 journalArticle

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 journalArticle

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 journalArticle

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 journalArticle

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 journalArticle

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 journalArticle

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 journalArticle

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 journalArticle

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 journalArticle

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 journalArticle

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 journalArticle

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 journalArticle

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 journalArticle

figure of merit
absorbers
photons