Frieder Koenig

Friedrich Ernst Wilhelm Koenig

Postal address:
School of Physics & Astronomy
Physical Science Building
North Haugh
St Andrews
United Kingdom

E-mail: fewk@st-andrews.ac.uk

Web address: http://www.st-andrews.ac.uk/~qoi/

Direct phone: +44 (0)1334 463128

Mobile phone: +44 (0)7776461151

Fax: +44 (0)1334 463104

Research overview

Friedrich Koenig is leading research in the field of quantum optics and quantum information, in particular quantum optics in curved spacetime. The main aim is the realisation of new nonlinear processes in optical fibers using instabilities of ultrashort optical pulses which produce novel sources of light, both classically as well as for novel quantum states. These instabilities are for example the fiber-optical Cherenkov radiation or the analogue of an event horizon in fibers.

In particular, few-cycle pulses in fibers offer the unique possibility to discover the physics of Hawking radiation in the laboratory. The observation of pair production from event horizons in fibers would allow us to learn about the fundamental process responsible for the mass distribution in the universe today, in a dispersive toy model in our laboratory. Moreover, the Hawking effect is at the heart of any theory explaining the connection between quantum mechanics, gravitation, and thermodynamics, the physics of the very small, the very big, and the physics of every day.

Recent Publications

Quantum vacuum emission from a refractive-index front
Jacquet, M. J. R. & Koenig, F. E. W. 28 Aug 2015 In : Physical Review. A, Atomic, molecular, and optical physics. 92, 9 p., 023851
Research output: Contribution to journalArticle

Few-cycle fiber pulse compression and evolution of negative resonant radiation
McLenaghan, J. & Koenig, F. E. W. 10 Jun 2014 In : New Journal of Physics. 16, 14 p., 063017
Research output: Contribution to journalArticle

Negative-Frequency Resonant Radiation
Rubino, E., McLenaghan, J., Kehr, S. . S. C., Belgiorno, F., Townsend, D., Rohr, S., Kuklewicz, C. E., Leonhardt, U., Koenig, F. E. W. & Faccio, D. 18 Jun 2012 In : Physical Review Letters. 108, 25, 5 p., 253901
Research output: Contribution to journalArticle

Efficient frequency shifting of dispersive waves at solitons
Choudhary, A. & Koenig, F. E. W. 27 Feb 2012 In : Optics Express. 20, 5, p. 5538-5546 9 p.
Research output: Contribution to journalArticle

Evolution of light trapped by a soliton in a microstructured fiber
Hill, S. M., Kuklewicz, C. E., Leonhardt, U. & Koenig, F. E. W. 3 Aug 2009 In : Optics Express. 17, 16, p. 13588-13601 14 p.
Research output: Contribution to journalArticle

Fibre-optical analogue of the event horizon
Leonhardt, U., Philbin, T. G., Kuklewicz, C. E., Robertson, S., Hill, S. & Koenig, F. 2009 2009 IEEE/LEOS WINTER TOPICALS MEETING SERIES (WTM 2009). NEW YORK: IEEE, p. 217-218 2 p.
Research output: Chapter in Book/Report/Conference proceedingConference contribution

Frequency shifts at the fiber-optical event horizon
Kuklewicz, C., Philbin, T., Robertson, S., Hill, S., Koenig, F. & Leonhardt, U. 2009 Ultrafast Phenomena XVI: Proceedings of the 16th International Conference, Palazzo dei Congressi Stresa, Italy, June 9-13, 2008. Corkum, P., Silvestri, S., Nelson, K. A., Riedle, E. & Schoenlein, R. W. (eds.). Springer, p. 1018-1020 3 p. (Springer Series in Chemical Physics; vol. 92)
Research output: Chapter in Book/Report/Conference proceedingConference contribution

Fiber-optical analog of the event horizon
Philbin, T. G., Kuklewicz, C. E., Robertson, S. J., Hill, S. M., Koenig, F. E. W. & Leonhardt, U. 7 Mar 2008 In : Science. 319, 5868, p. 1367-1370 4 p.
Research output: Contribution to journalArticle

Optical analogue of the event horizon demonstrated with microstructured fibers - art. no. 69871C
Philbin, T. G., Kuklewicz, C., Robertson, S., Hill, S., Koenig, F. & Leonhardt, U. 2008 METAMATERIALS III. Johnson, N. P., Ozbay, E., Zheludev, N. I. & Ziolkowski, R. W. (eds.). BELLINGHAM: SPIE, p. C9871-C9871 8 p.
Research output: Chapter in Book/Report/Conference proceedingConference contribution

Efficient and spectrally bright source of polarization-entangled photons
Koenig, F. E. W., Mason, E. J., Wong, F. N. C. & Albota, M. A. Mar 2005 In : Physical Review. A, Atomic, molecular, and optical physics. 71, 3, p. 0338051-0338057
Research output: Contribution to journalArticle

Extended phase matching of second-harmonic generation in periodically poled KTiOPO4 with zero group-velocity mismatch
Koenig, F. E. W. & Wong, F. N. C. 8 Mar 2004 In : Applied Physics Letters. 84, 10, p. 1644-1646 3 p.
Research output: Contribution to journalArticle

Quantum solitons in optical fibres: basic requisites for experimental quantum communication
Leuchs, G., Silberhorn, C., Koenig, F. E. W., Sizmann, A., Korolkova, N., Braunstein, S. L. (ed.) & Pati, A. K. (ed.) 2003
Research output: Other contribution

Efficient generation of tunable photon pairs at 0.8 and 1.6 micrometer
Mason, E. J., Albota, M. A., Koenig, F. E. W. & Wong, F. N. C. 1 Dec 2002 In : Optics Letters. 27, 23, p. 2115-2117 3 p.
Research output: Contribution to journalArticle

Soliton backaction-evading measurement using spectral filtering
Koenig, F. E. W., Buchler, B., Rechtenwald, T., Leuchs, G. & Sizmann, A. Oct 2002 In : Physical Review. A, Atomic, molecular, and optical physics. 66, 4, p. 0438101-0438105
Research output: Contribution to journalArticle

Transient photon-number correlations of interacting solitons
Koenig, F. E. W., Zielonka, M. A. & Sizmann, A. Jul 2002 In : Physical Review. A, Atomic, molecular, and optical physics. 66, 1, p. 013812 13812 p.
Research output: Contribution to journalArticle

QND Measurement of the Photon Number
Koenig, F. E. W. 2002
Research output: Other contribution

Generation of Continuous Variable Einstein-Podolsky-Rosen Entanglement via the Kerr Nonlinearity in an Optical Fiber
Silberhorn, C., Lam, P. K., Weiss, O., Koenig, F. E. W., Korolkova, N. & Leuchs, G. 7 May 2001 In : Physical Review Letters. 86, 19, p. 4267-4270 4 p.
Research output: Contribution to journalArticle

Enhanced quantum correlations in bound higher-order solitons
Schmidt, E., Knöll, L., Welsch, D-G., Zielonka, M., Koenig, F. E. W. & Sizmann, A. 30 Oct 2000
Research output: Other contribution

Quantum correlations of colliding solitons
Sizmann, A., Koenig, F. E. W., Zielonka, M., Steidl, R., Rechtenwald, T. & Hasegawa, A. (ed.) 2000
Research output: Other contribution

Fibre-optic photon-number squeezing in the normal group-velocity dispersion regime
Koenig, F. E. W., Spälter, S., Shumay, I. L., Sizmann, A., Fauster, T. & Leuchs, G. Dec 1998 In : Journal of Modern Optics. 45, p. 2425-2431 7 p.
Research output: Contribution to journalArticle

Photon-number squeezed solitons from an asymmetric fiber-optic Sagnac interferometer,
Schmitt, S., Ficker, J., Wolff, M., Koenig, F. E. W., Sizmann, A. & Leuchs, G. 21 Sep 1998
Research output: Other contribution

Noise-free quantum-nondemolition measurement using optical solitons
Courty, J. M., Spälter, S., Koenig, F. E. W., Sizmann, A. & Leuchs, G. Aug 1998 In : Physical Review. A, Atomic, molecular, and optical physics. 58, 2, p. 1501-1508 8 p.
Research output: Contribution to journalArticle

Observation of multimode quantum correlations in fiber optical solitons
Spälter, S., Korolkova, N., Koenig, F. E. W., Sizmann, A. & Leuchs, G. 27 Jul 1998
Research output: Other contribution