Publications

Research Articles

Interaction of light with a single atom in the strong focusing regime. Syed Abdullah Aljunid, Brenda Chng, Martin Paesold, Gleb Maslennikov, and Christian Kurtsiefer. arXiv:1006.2191v1

High speed optical quantum random number generation. Martin Fürst, Henning Weier, Sebastian Nauerth, Davide G. Marangon, Christian Kurtsiefer, and Harald Weinfurter. Optics Express 18, 13029-13037 (2010).

The black paper of quantum cryptography: real implementation problems. Valerio Scarani, Christian Kurtsiefer. arXiv:0906.4547

Eliminating Spectral Distinguishability in Ultrafast Spontaneous Parametric Down-conversion. Hou Shun Poh, Jiaqing Lim, Ivan Marcikic, Antia Lamas-Linares, Christian Kurtsiefer. Phys. Rev. A 80,043815 (2009).

Phase shift of a weak coherent beam induced by a single atom. Syed Abdullah Aljunid, Meng Khoon Tey, Brenda Chng, Timothy Liew, Gleb Maslennikov, Valerio Scarani, Christian Kurtsiefer. Phys. Rev. Lett. 103, 153601 (2009).

Clock synchronization by remote detection of correlated photon pairs. Caleb Ho, Antia Lamas-Linares, and Christian Kurtsiefer. New Journal of Physics 11, 045011 (2009).

Daylight operation of a free space, entanglement-based quantum key distribution system. Matthew P. Peloso, Ilja Gerhardt, Caleb Ho, Antia Lamas-Linares and Christian Kurtsiefer. New Journal of Physics 11, 045007 (2009).

Interfacing light and single atoms with a lens. Meng Khoon Tey, Gleb Maslennikov, Timothy C.H. Liew, Syed Abdullah Aljunid, Florian Huber, Brenda Chng, Zilong Chen, Valerio Scarani, Christian Kurtsiefer, New Journal of Physics 11, 043011 (2009).

2008

Accuracy of minimal and optimal qubit tomography for finite-length experiments. Alexander Ling, Antia Lamas-Linares and Christian Kurtsiefer (2008).

Wigner tomography of two qubit states and quantum cryptography. Thomas Durt, Christian Kurtsiefer, Antia Lamas-Linares, Alexander Ling, Phys. Rev. A 78, 040001 (2008).

Experimental quantum key distribution based on a Bell test. Alexander Ling, Mattew P. Peloso, Ivan Marcikic, Valerio Scarani, Antia Lamas-Linares, Christian Kurtsiefer. Physical Review A 78, 020301 (R) (2008).

Sagnac-loop phase shifter with polarization-independent operation. Tien Tjuen Ng, Darwin Gosal, Antia Lamas-Linares and Christian Kurtsiefer (2008).

Strong interaction between light and a single trapped atom without the need for a cavity. Meng Khoon Tey, Zilong Chen, Syed Abdullah Aljunid, Brenda Chng, Florian Huber, Gleb Maslennikov and Christian Kurtsiefer, Nature Physics 4, 924-927 (2008).

Absolute emission of spontaneous parametric down conversion into single transverse Gaussian modes. Alexander Ling, Antia Lamas-Linares and Christian Kurtsiefer, Phys. Rev. A 77, 043834 (2008).

Testing quantum correlations versus single-particle properties within Leggett's model and beyond. Cyril Branciard, Nicolas Brunner, Nicolas Gisin, Antia Lamas-Linares, Alexander Ling, Christian Kurtsiefer and Valerio Scarani, Nature Physics 4, 681-685 (2008). (earlier version: arXiv:0801:2241)

Experimental demonstration of a quantum protocol for Byzantine agreement and liar detection. Sasha Gaertner, Mohammed Bourennane, Christian Kurtsiefer, Adan Cabello and Harald Weinfurter, Phys. Rev. Lett. 100, 070504 (2008).

2007

Experimental Falsification of Leggett's non-Local Variable Model. Cyril Branciard, Alexander Ling, Nicolas Gisin, Christian Kurtsiefer, Antia Lamas-Linares and Valerio Scarani, Phys. Rev. Lett. 99, 210407 (2007).

An atom and a photon. J. Volz, M. Weber, D. Schlenk, W. Rosenfeld, C. Kurtsiefer and H. Weinfurter, Laser Physics 17, 1007 (2007).

Breaking a quantum key distribution system through a timing side channel. Antia Lamas-Linares and Christian Kurtsiefer, Opt. Express 15, 9388 (2007).

Experimental demonstration of four-party quantum secret sharing. Sasha Gaertner, Christian Kurtsiefer, Mohammed Bourennane, Harald Weinfurter, Phys. Rev. Lett 98, 020503 (2007).

Joint Spectrum Mapping of Polarization Entanglement in Spontaneous Parametric Down-conversion. Hou Shun Poh, Chune Yang Lum, Ivan Marcikic, Antia Lamas-Linares, Christian Kurtsiefer, Phys. Rev. A 75, 043816 (2007).

2006

Free-space quantum key distribution with entangled photons. Ivan Marcikic, Antia Lamas-Linares, Christian Kurtsiefer. Applied Physics Letters 89, 101122 (2006).

Experimental quantum secret sharing. Christian Schmid, Pavel Trojek, Sascha Gaertner, Mohamed Bourennane, Christian Kurtsiefer, Marek Zukowski, and Harald Weinfurter, Fortschr. Phys. 54, 831-839 (2006).

Experimental Polarization State Tomography using Optimal Polarimeters. Alex Ling, Soh Kee Pang, Antia Lamas-Linares, Christian Kurtsiefer. Phys. Rev. A 74, 022309 (2006).

Preparation of Bell States with Controlled White Noise. Alex Ling, Peng Yuan Han, Antia Lamas-Linares, Christian Kurtsiefer. Laser Physics 16, 1140 (2006).

Observation of Entanglement of a Single Photon with a Trapped Atom. Volz, M. Weber, D. Schlenk, W. Rosenfeld, J. Vrana, K. Saucke, C. Kurtsiefer, and H. Weinfurter, Phys. Rev. Lett. 96, 030404 (2006).

An Optimal Photon Counting Polarimeter. Alex Ling, Soh Kee Pang, Antia Lamas-Linares, Christian Kurtsiefer, Journal of Modern Optics 53, 1523 (2006).

Complete Deterministic Linear Optics Bell State Analysis. Carsten Schuck, Gerhard Huber, Christian Kurtsiefer, and Harald Weinfurter, Phys. Rev. Lett. 96, 190501 (2006).

Entanglement Persistency of Multiphoton Entangled States. M. Bourennane, M. Eibl, S. Gaertner, N. Kiesel, Ch. Kurtsiefer, and H. Weinfurter:, Phys. Rev. Lett. 96, 100502 (2006).

Experimental noise resistant Bell inequality violations for polarization-entangled photons. Fabio A. Bovino, Giuseppe Castagnoli, Adan Cabello, Antia Lamas-Linares. Phys. Rev. A 73, 062110 (2006).

Analysis of a single-atom dipole trap. Markus Weber, Juergen Volz, Karen Saucke, Christian Kurtsiefer, and Harald Weinfurter, Phys. Rev. A 73, 043406 (2006).

Single photon emission from SiV centres in diamond produced by ion implantation. C. Wang, Ch. Kurtsiefer, H. Weinfurter and B. Burchard, J. Phys. B 39, 37-41 (2006).

2005

Fast and compact multichannel photon coincidence unit for quantum information processing. S. Gaertner, H. Weinfurter, and Ch. Kurtsiefer: Rev. Sci. Instrum. 76, 123108 (2005).

Bell's inequalities with realistic noise for polarization-entangled photons. Adan Cabello, Alvaro Feito, Antia Lamas-Linares, Phys. Rev. A 72, 052112 (2005).

Experimental Single Qubit Quantum Secret Sharing. C. Schmid, P. Trojek, M. Bourennane, Ch. Kurtsiefer, M. Zukowski, and H. Weinfurter, Phys. Rev. Lett. 95, 230505 (2005).

For a complete list of research publications from the wider Quantum Information group please visit the federation page.

Theses

Towards resolved-sideband Raman cooling of a single Rb-87 atom in a FORT. Lee Jianwei (Master thesis 2010).

Towards a high quality polarization-entangled multi-photon source. Poh Hou Shun (Master thesis 2009).

Daylight operation of a free-space, entanglement-based quantum key distribution system. Matthew P. Peloso (Masters thesis 2009).

Single photon generation from a single molecule at room temperature. Mai Lijian (Honours thesis 2009).

Interfacing light and a single quantum system with a lens. Tey Meng Khoon (PhD thesis 2009).

Entangled state preparation for optical quantum communication. Alexander Ling (PhD thesis 2008).

A fast polarization independent phase shifter for light. Ng Tien Tjuen (Honours thesis 06/07).

Towards a high quality 4-photon source. Lim Jiaqin (Honours thesis 06/07).

A narrow-band source for polarization-entangled photon pairs. Arpan Roy (Honours thesis 06/07).

Towards quantum key distribution in daylight. Caleb Ho (Honours thesis 06/07).

Optical Autocorrelation using Non-Linearity in a Simple Photodiode. Syed Abdullah Aljunid (Honours thesis 2006).

Efficient polarization measurement for quantum cryptography. Soo Kee Pang (Honours thesis 05/06).

Experiments with Multi-Photon states. Poh Hou Shun (Honours thesis 04/05).

Wong Ming Liang (Honours thesis 04/05).

Characterization of Entangled Photons via a Bell's Inequality. Peng Yun Han (Honours Thesis 04/05).

Foo Pei Yih (Honours thesis 2004).

Posters and talks

Substantial interaction between an single atom and a focused light beam. DAMOP Meeting 2010, Houston, Tx, USA [DAMOP2010]. Talk X6.3 by Gleb Maslennikov, May 2010.

Towards Raman Cooling of a Single Atom in a Tightly Focused Optical Tweezer. DAMOP Meeting 2010, Houston, Tx, USA [DAMOP2010]. Poster E1.130 by Jianwei Lee at al., May 2010.

Implementation of an attack scheme on a practical QKD system. DAMOP Meeting 2010, Houston, Tx, USA [DAMOP2010]. Talk B6.3 by Antia Lamas-Linares, May 2010.

Substantial interaction between a single atom and a focused light beam. DPG Spring Meeting 2010, Hannover, Germany [DPG2010]. Invited talk by Gleb Maslennikov, March 2010.

Implementation of an attack scheme on a practical QKD system. DPG Spring Meeting 2010, Hannover, Germany [DPG2010]. Talk Q56.5 by Christian Kurtsiefer, March 2010.

Substantial scattering of photons by a Single Atom. Mini workshop on Photonics, ICFO Castelldefels, Spain [ICFO]. Talk by Christian Kurtsiefer

Implementation of an attack scheme on a practical QKD system. Workshop on Cryptography from Storage Imperfections, IQI Caltech, Pasadena, CA, USA [WCSI 2010]. Talk by Christian Kurtsiefer, March 2010.

Implementation of an attack scheme on a practical QKD system. Int. Conf. on Quantum Information and Technology, NII Tokyo, Japan [ICQIT2009]. Invited talk by Christian Kurtsiefer, December 2009.

Substantial scattering of photons by a Single Atom. Single Photon Workshop 2009, NIST Boulder, CO, USA. [SPW09]. Invited talk by Christian Kurtsiefer, November 2009.

How we eavesdropped 100% of a quantum cryptographic key. Hacking at Random, Amsterdam, Netherlands. [HAR2009]. Talk and Demonstration by Ilja Gerhardt, August 2009.

How to break quantum cryptography. DEFCON17, Las Vegas, NV, USA. [DEFCON]. Exhibition Poster, August 2009.

What is Bell's Inequality. DEFCON17, Las Vegas, NV, USA. [DEFCON]. Exhibition Poster, August 2009.

A Phase shift of a weak coherent beam by a single atom. Workshop on Laser Physics 2009, Barcelona, Spain. [LPHYS'09]. Invited talk by Gleb Maslennikov, July 2009.

Substantial scattering of a Weak Coherent Beam by a Single Atom. EQEC09-CLEO/Europe, Munich, Germany. [CLEO/Europe] Talk by Christian Kurtsiefer, June 2009.

Entanglement-Based Free Space Quantum Cryptography in Full Daylight. CLEO/IQEC09, Baltimore, MD, USA. [CLEO09]. Talk by Ilja Gerhardt, June 2009.

A Phase shift of a weak coherent beam by a single atom. CLEO/IQEC09, Baltimore, MD, USA. [CLEO09]. Talk by Talk by Syed Abdullah Aljunid, June 2009.

Measuring Atomic Oscillator strengths by single atom spectroscopy. CLEO/IQEC09, Baltimore, MD, USA. [CLEO09]. Poster by Lee JianWei, June 2009.

Phase shift of a weak coherent beam by a single atom. DAMOP 2009, Charlottesville, Virginia, USA. [DAMOP 2009]. Talk by Syed Abdullah Aljunid, May 2009.

Entanglement-based Free Space Quantum Cryptography in Daylight. DAMOP 2009, Charlottesville, Virginia, USA. [DAMOP 2009]. Talk by Antia Lamas-Linares, May 2009.

Interfacing light and single atoms with a lens. OPTO/SPIE Photonics West 2009, San Jose, USA. Invited talk by Christian Kurtsiefer, January 2009.

Status of R&D on Quantum Communication and related research in Singapore. Updating quantum cryptography 2008, Tokio, Japan. [UQC 2008]. Talk by Christian Kurtsiefer, December 2008.

A taste of experimental quantuminformation techniques / Aspects of Quantum Cryptography. [Asher Peres International School of Physics 2008], Sydney, Australia. Lecturs by Christian Kurtsiefer, November 2008.

Interfacing light and a single atom with a lens. 4th APCQIS, Cairns, Australia. [APCQIS 2008]. Poster, July 2008.

From Bell to Leggett and back again. 4th APCQIS, Cairns, Australia. [APCQIS 2008]. Talk by Antia Lamas-Linares, July 2008.

What can you do with photonic qubits. LASPHYS 2008, Trondheim, Norway. [LASPHYS'08]. Talk by Christian Kurtsiefer, July 2008.

Interfacing light and single atom with a lens. LASPHYS 2008, Trondheim, Norway. [LASPHYS'08]. Talk by Gleb Maslennikov, July 2008.

Strong Interaction Between Light and a Single Trapped Atom Without a Cavity. DAMOP 2008, State College, Pennsilvanya, USA. [DAMOP 2008]. Talk by Tey Meng Khoon, May 2008.

Strong interaction between light and single trapped atom without a cavity. CLEO/QELS 2008, San Jose, USA. [CLEO 2008]. Talk by Gleb Maslennikov, May 2008.

Absolute rate of SPDC into single transverse Gaussian modes. CLEO/QELS 2008, San Jose, USA. [CLEO 2008]. Talk by Antia Lamas-Linares, May 2008.

Practical quantum cryptography and possible attacks. Googletechtalks, Google campus. Talk by Alex Ling, January 2008.

Device independent quantum key distribution. Photonics West: Advanced Optical Concepts in Quantum Computing, Memory and Communication, San Jose, USA. Poster, January 2008.

Practical quantum cryptography and possible attacks. Chaos Communication Congress, Berlin, Germany. [24C3]. Talk by Alex Ling, Ilja Gerhardt, Antia Lamas-Linares and Christian Kurtsiefer, December 2007.

Aspects of Practical Quantum Key Distribution Schemes. 6th International conference on cryptology and network security (CANS), Singapore. Talk by Christian Kurtsiefer, December 2007.

Experimental falsification of Leggett's model and device independent QKD. Quantum Information Processing and Computation, Barcelona, Spain. [QIPC 2007]. Talk by Antia Lamas-Linares, October 2007.

Extinction of light by a single trapped atom. Photons, Atoms and Qubits 2007, London, UK. [PAQ 2007]. Poster, September 2007.

Experimental setup for direct measurement of a single atom optical absorption cross-section. Conference on Lasers and Electro-Optics, Seoul, Korea. [CLEO-PR 2007]. Poster, August 2007.

A polarization-independent fast light switch. Conference on Laser and Electro-Optics, Seoul, Korea. [CLEO-PR 2007]. Poster, August 2007.

Free-space distribution of entangled photons in daylight conditions. Conference on Lasers and Electro-Optics, Seoul, Korea. [CLEO-PR 2007]. Talk by Antia Lamas-Linares, August 2007.

Spying on a quantum key distribution system through a timing side channel. Theory and Realisation of Practical Quantum Key Distribution, Waterloo, Canada. [Tropical QKD]. Poster, June 2007.

Free-Space Quantum Key Distribution using Polarization Entangled Photons. Theory and Realisation of Practical Quantum Key Distribution, Waterloo, Canada. [Tropical QKD]. Talk by Christian Kurtsiefer, June 2007.

Free-Space Quantum Key Distribution using Polarization Entangled Photons. Annual meeting of the Division of Atomic, Molecular and Optical Physics of APS, Calgary, Canada [DAMOP 2007]. Talk by Christian Kurtsiefer, June 2007.

Joint spectrum mapping of polarization entanglement in parametric down-conversion. Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference, Baltimore, US [CLEO/QELS 2007]. Talk by Hou Shun Poh, May 2007.

Free-space quantum key distribution using polarization-entangled photons. International Conference on Quantum Communication Measurement and Computing, Tsukuba, Japan [QCMC2006]. Talk by Christian Kurtsiefer, December 2006.

Joint Spectrum Mapping of Polarization Entanglement in Parametric Down Conversion. International Conference on Quantum Communication Measurement and Computing, Tsukuba, Japan [QCMC2006]. Poster, December 2006.

Optimal State Estimation Experiments for Photon Polarization. SPIE Optics and Photonics, San Diego, US. [SPIE O&P 2006]. Talk by Alex Ling, August 2006.

Experimental polarization state tomography using photon counting polarimeters. Alexander Ling, Kee Pang Soh, Antia Lamas-Linares and Christian Kurtsiefer, Proceedings of SPIE v. 6305, August 2006.

Quantum key distribution over large distances using entangled photon pairs. International Quantum Electronics Conference and Conference on Lasers and Electro-Optics Pacific Rim, Tokio, Japan. [IQEC/CLEO-PR 2005]. Talk by Ivan Marcikic, July 2005.

Preparation of Bell states with controlled white noise. International Quantum Electronics Conference and Conference on Lasers and Electro-Optics Pacific Rim, Tokio, Japan. [IQEC/CLEO-PR 2005]. Talk by Alex Ling, July 2005.

Proceedings

Interfacing light and single atoms with a lens. M.K. Tey, S.A. Aljunid, F. Huber, B. Chng, Z. Chen, G. Maslennikov, C. Kurtsiefer; Proc. of SPIE Vol. 7236, 723606 (2009).

Experimental E91 quantum key distribution. A. Ling, M. Peloso, I. Marcikic, A. Lamas-Linares, C. Kurtsiefer; Proc. SPIE 6903, 69030U (2008).

Experimental polarization state tomography using photon counting polarimeters. A. Ling, K.P. Soh, A. Lamas-Linares, C. Kurtsiefer; Proc. SPIE 6305, 63050A (2006)

Lectures

Quantum Optics Devices. A. Lamas-Linares and C. Kurtsiefer.
Les Houches Singapore summer school 2009.