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Paderborn University in spring. Show image information

Paderborn University in spring.

Photo: Paderborn University, Kamil Glabica.

Dr. Harald Herrmann

Dr. Harald Herrmann

Integrated Quantum Optics

Docent - Group leader "Device Development"

+49 5251 60-5879
+49 5251 60-5886
Pohlweg 47-49
33098 Paderborn
Selected Publications

A versatile design for resonant guided-wave parametric down-conversion sources for quantum repeaters
Benjamin Brecht, Kai-Hong Luo, Harald Herrmann, Christine Silberhorn
arXiv:1507.08840 (2015)

Direct generation of genuine single-longitudinal-mode narrowband photon pairs
Kai-Hong Luo, Harald Herrmann, Stephan Krapick, Benjamin Brecht, Raimund Ricken, Viktor Quiring, Hubertus Suche, Wolfgang Sohler, Christine Silberhorn
New J. Phys. 17 (2015) 073039

Storage of hyperentanglement in a solid-state quantum memory
Alexey Tiranov, Jonathan Lavoie, Alban Ferrier, Philippe Goldner, Varun B. Verma, Sae Woo Nam, Richard P. Mirin, Adriana E. Lita, Francesco Marsili, Harald Herrmann, Christine Silberhorn, Nicolas Gisin, Mikael Afzelius, and Félix Bussières
Optica 2, 279 (2015)

Real-time coherent detection of phase modulated ultrashort pulses after time-to-space conversion and spatial demultiplexing
D. Shayovitz, H. Herrmann, W. Sohler, R. Ricken, C. Silberhorn, D.M. Marom
Opt. Exp. 22(25), 31138 (2014)

Quantum teleportation from a telecom-wavelength photon to a solid-state quantum memory
Félix Bussières, Christoph Clausen, Alexey Tiranov, Boris Korzh, Varun B. Verma, Sae Woo Nam, Francesco Marsili, Alban Ferrier, Philippe Goldner, Harald Herrmann, Christine Silberhorn, Wolfgang Sohler, Mikael Afzelius & Nicolas Gisin
Nature Photonics 8, 775, arXiv:1401.6958 (2014)

Full-field reconstruction of ultrashort waveforms by time to space conversion interferogram analysis
Dror Shayovitz, Harald Herrmann, Wolfgang Sohler, Raimund Ricken, Christine Silberhorn, and Dan M. Marom
Opt. Exp., 22(17), 20205 (2014)

A source of polarization-entangled photon pairs interfacing quantum memories with telecom photons
Christoph Clausen, Felix Bussieres, Alexey Tiranov, Harald Herrmann, Christine Silberhorn, Wolfgang Sohler, Mikael Afzelius, Nicolas Gisin
New J. Phys. 16 093058, arXiv:1405.6486 (2014)

Laboratory demonstration of spatial-coherence analysis of a blackbody through an up-conversion interferometer
J.T. Gomes, L. Delage, R. Baudoin, L. Grossard, L. Bouyeron, D. Ceus, R. Reynaud, H. Herrmann, W. Sohler
Phys. Rev. Lett 112, 143904 (2014)

Time-to-space conversion of ultrafast waveforms at 1.55 µm in a planar periodically poled lithium niobate waveguide
Dror Shayovitz, Harald Herrmann, Wolfgang Sohler, Raimund Ricken, Christine Silberhorn, Dan Marom
Opt. Lett. 38 (22), 4708 (2013)

Post-selection free, integrated optical source of non-degenerate, polarization entangled photon pairs
Harald Herrmann, Xu Yang, Abu Thomas, Andreas Poppe, Wolfgang Sohler, Christine Silberhorn
Opt. Exp., 21(23), 27981 (2013)

Two-color narrowband photon pair source with high brightness based on clustering in a monolithic waveguide resonator
K.-H. Luo, H. Herrmann, S. Krapick, R. Ricken, V. Quiring, H. Suche, W. Sohler, C. Silberhorn
arXiv:1306.1756 (2013)

An Efficient Integrated Two-Color Source for Heralded Single Photons
S. Krapick, H. Herrmann, V. Quiring, B. Brecht, H., C. Silberhorn
New J. Phys. 15, 033010 (2013)

Contrast and phase closure acquisitions in photon counting regime using a frequency upconversion interferometer for high angular resolution imaging
D. Ceus, L. Delage, L. Grossard, F. Reynaud, H. Herrmann, W. Sohler
Mon. Not. R. Astron. Soc., MNRAS 430, 1529-1537 (2013)

High resolution time-to-space conversion of sub-picosecond pulses at 1.55µm by non-degenerate SFG in PPLN crystal
Dror Shayovitz, Harald Herrmann, Wolfgang Sohler, Raimund Ricken, Christine Silberhorn, Dan Marom
Optics Express, 20, 27388 (2012)

Application of frequency conversion of starlight to high-resolution imaging interferometry. On-sky sensitivity test of a single arm of the interferometer
D. Ceus, F. Reynaud, J. Woillez, O. Lai, L. Delage, L. Grossard, R. Baudoin, J.-T. Gomes, L. Bouyeron, H. Herrmann, W. Sohler
Mon. Not. R. Astron. Soc., Letters, 427, L95-L98 (2012)

High-quality polarization entanglement state preparation and manipulation in standard telecommunication channels
F. Kaiser, A. Issautier, L.A. Ngah, O. Danila, H. Herrmann, W. Sohler, A. Martin, S. Tanzilli
New Journal of Physics,14, 085015 (2012)

Engineering integrated pure narrow-band photon sources
E. Pomarico, B. Sanguinetti, C. I. Osorio, H. Herrmann and R. T. Thew
New Journal of Physics,14, 033008 (2012)

Phase closure retrieval in an infrared-to-visible upconversion interferometer for high resolution optical imaging
D. Ceus, A. Tonello, L. Grossard, L. Delage, F. Reynaud, W. Sohler
Opt. Expr. 19, 8616-8624 (2011)

A Polarization Entangled Photon-pair Source Based on a Type-II PPLN Waveguide Emitting at a Telecom Wavelength
A. Martin, A. Issautier, H. Herrmann, W. Sohler, D.B. Ostrowsky, O. Alibart, S. Tanzilli
New Journal of Physics 12, 103005 (2010)

Purification of single photon entanglement
D. Salart, O. Landry, N. Sangouard, N. Gisin, H. Herrmann, B. Sanguinetti, C. Simon, W. Sohler, R. T. Thew, A. Thomas, H. Zbinden
Phys. Rev. Lett. 104, 180504 (2010)

Tunable integrated electro-optic wavelength filter with programmable spectral response
H. Herrmann, K.D. Büchter, R. Ricken, W. Sohler
J. Lightw. Technol. 28, 1051-1056 (2010)

Integrated optical source of polarization entangled photons at 1310 nm
A. Martin, V. Cristofori, P. Aboussouan, H. Herrmann, W. Sohler, D.B. Ostrowsky, O. Alibart, S. Tanzilli
Optics Express 17,1033 (2009)

All-optical Ti:PPLN wavelength conversion modules for free-space optical transmission links in the mid-IR
D. Büchter, H. Herrmann, C. Langrock, M.M. Fejer, W. Sohler
Optics Letters 34, 470 (2009)

Laboratory demonstration of an infrared-to-visible up-conversion interferometer for spatial coherence analysis
S. Brustlein, L. Del Rio, A. Tonello, L. Delage, and F. Reynaud, H. Herrmann, W. Sohler
Physical Review Letters 100, 153903 (2008)

Plasma etching of proton-exchanged lithium niobate
H. Hu, A.P. Milenin, R.B.Wehrspohn, H. Herrmann, W. Sohler
J. Vac. Sci. Technol. A 24, 1012 (2006)

Film-loaded SAW waveguides for integrated acousto-optical polarization converters
O.A. Peverini, H. Herrmann, R.Orta
IEEE Trans. Ultrasonics, Ferroelectrics and Frequency Control 51, 1298 (2004)

Integrated optical heterodyne interferometer in lithium niobate
A. Rubiyanto, H. Herrmann, R. Ricken, F. Tian, W. Sohler
Journal of Nonlinear Optical Physics and Materials 10, 163 (2001)

Quasi-phase matched difference-frequency generation in periodically poled Ti:LiNbO3 channel waveguides
D. Hofmann, G. Schreiber, C. Haase, H. Herrmann, W. Grundkötter, R. Ricken, W. Sohler
Opt. Lett. 24, 896 (1999)

Integrated optical LiNbO3 distributed polarisation mode dispersion compensator in 20 Gbit/s transmission system
R. Noe, D. Sandel, S. Hinz, M. Yoshida-Dierolf, V. Mirvoda, G. Feise, H. Herrmann, R. Ricken, W. Sohler, F. Wehrmann, C. Glingener, A. Schopflin, A. Farbert, G. Fischer
Electronics Letters 35 652 (1999)

Polarisation mode dispersion compensation for 6ps, 40Gbit/s pulses using distributed equaliser in LiNbO3
S. Hinz, D. Sandel, M. Yoshida-Dierolf, V. Mirvoda, R. Noe, G. Feise, H. Herrmann, R. Ricken, W. Sohler, H. Suche, F. Wehrmann, R. Wessel
Electronics Letters 35, 1185 (1999)

Low loss, tunable integrated acousto-optical wavelength filter in LiNbO3 with strong sidelobe suppression
H. Herrmann, K. Schäfer, Ch. Schmidt
IEEE Photon. Technol. Lett. 10, 120 (1998)

Integrated optical, wavelength selective, acoustically tunable 2x2 switch (add-drop multiplexer) in LiNbO3
F. Wehrmann, Ch. Harizi, H. Herrmann, U. Rust, W. Sohler, S. Westenhöfer
IEEE J. Selected Topics in Quantum Electronics 2, 263 (1996)

Integrated optical proton exchanged TM-pass polarizers in LiNbO3: modelling and experimental performance
U. Hempelmann, H. Herrmann, G. Mrozynski, V. Reimann, W. Sohler
J. Lightwave Technol. 13, 1750 (1995)

Interchannel interference in multiwavelength operation of integrated acousto-optical filters and switches
F. Tian, H. Herrmann
J. Lightwave Technol. 13, 1146 (1995)

Tapered acoustical directional couplers for integrated acousto-optical mode converters with weighted coupling
H. Herrmann, U. Rust, K. Schäfer
J. Lightwave Technol. 13, 364 (1995)

Polarization independent, integrated optical acoustically tunable wavelength filters/switches with tapered acoustical directional coupler
H. Herrmann, K. Schäfer, W. Sohler
Photonics Technol. Lett. 6, 1192 (1994)

A transport network layer based on optical network elements
G.R. Hill, P.J. Chidgey, F. Kaufhold, T. Lynch, 0. Sahlen, M. Gustavsson, M. Janson, B. Lagerstrom, G. Grasso, F. Meli, S. Johansson, J. Ingers, L. Fernandez, S. Rotolo, A. Antonielli, S.Tebaldini, E. Vezzoni,R. Caddedu, N. Caponio, F. Testa, A. Scavennec, M.J. O’Mahony, J. Zhou, A. Yu, W. Sohler, U. Rust, H. Herrmann
J. Lightwave Technol.11, 667 (1993)

Polarization independent integrated optical, acoustically tunable double stage wavelength filter in LiNbO3
F. Tian, Ch. Harizi, H. Herrmann, V. Reimann, R. Ricken, U. Rust, W. Sohler, F. Wehrmann, S. Westenhofer
J. Lightwave Technol. 12, 1192 (1994)

Source of sidelobe asymmetry in integrated acousto-optic filters
D.A. Smith, A. d'Alessandro, H. Herrmann, J. Baran
Appl. Phys. Lett. 62, 814 (1993)

Integrated acousto-optical mode converters with weighted coupling using surface acoustic wave directional couplers
H. Herrmann, St. Schmid
Electron. Lett. 28, 979 (1992)

Integrated optical, TE- and TM-pass, acoustically tunable double stage wavelength filter in LiNbO3
H. Herrmann, P. Müller-Reich, V. Reimann, R. Ricken, H. Seibert, W. Sohler
Electron. Lett. 28, 642 (1992)

Integrated optical, acoustically tunable wavelength filter
J. Frangen, H. Herrmann, R. Ricken, H. Seibert, W. Sohler, E. Strake
Electron. Lett.25, 1583 (1989)

Difference frequency generation of tunable, coherent mid-infrared radiation in Ti:LiNbO3 channel waveguides
H. Herrmann, W. Sohler
J. Opt. Soc. Am. B 5, 278 (1988)

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