* still incomplete (as of 2007-01-18)

before  [2000] [1995] [1990] [1985] [1980] [1975] [1970]

M. Lohmeyer, L. Wilkens, O. Zhuromskyy, H. Dötsch, P. Hertel
Integrated magnetooptic cross strip isolator
Optical and Quantum Electronics 33 (4/5), 413-431 (2001)

O. Zhuromskyy, L. Wilkens, M. Lohmeyer, P. Hertel, H. Dötsch
Magneto-optical waveguides with polarization independent nonreciprocal phase shift
Journal of Lightwave Technology 19 (2), 214-221 (2001)

O. Zhuromskyy, M. Lohmeyer, N. Bahlmann, P. Hertel, H. Dötsch, A. F. Popkov
Analysis of nonreciprocal light propagation in multimode imaging devices
Optical and Quantum Electronics 32 (6/8), 885-897 (2000)

[2000]

M. Lohmeyer, N. Bahlmann, O. Zhuromskyy, P. Hertel
Wave-matching-simulations of integrated optical coupler structures
Proceedings of SPIE, Vol. 3620, Integrated Optics Devices III, 68-78 (1999)

M. Lohmeyer, N. Bahlmann, O. Zhuromskyy, H. Dötsch, P. Hertel
Unidirectional magnetooptic polarization converters
IEEE Journal of Lightwave Technology 17 (12), 2605-2611 (1999)

N. Bahlmann, M. Wallenhorst, L. Wilkens, V. Backherms, A. Josef, P. Hertel, H. Dötsch
Reduction of the temperature dependence of the nonreciprocal effect of magneto-optic channel-waveguides
Applied Optics 38 (27), 5747-5751 (1999)

M. Fehndrich, A. Josef, L. Wilkens, J. Kleine-Börger, N. Bahlmann, M. Lohmeyer, P. Hertel, H. Dötsch
Experimental Investigation of the Nonreciprocal Phase Shift of a TE-mode in a Magneto-optic Rib Waveguide
Applied Physics Letters 74 (20), 2918-2920 (1999)

M. Lohmeyer, N. Bahlmann, O. Zhuromskyy, P. Hertel
Wave-matching-simulations of integrated optical coupler structures
Proceedings of SPIE, Vol. 3620, Integrated Optics Devices III, 68-78 (1999)

M. Lohmeyer, N. Bahlmann, O. Zhuromskyy, P. Hertel
Perturbational estimation of geometry tolerances for rectangular integrated optics devices
Proceedings of SPIE, Vol. 3620, Integrated Optics Devices III, 311-319 (1999)

N. Bahlmann, M. Lohmeyer, O. Zhuromskyy, H. Dötsch, P. Hertel
Nonreciprocal coupled waveguides for integrated optical isolators and circulators for TM-modes
Optics Communications 161 (4-6), 330-337 (1999)

M. Lohmeyer, N. Bahlmann, O. Zhuromskyy, P. Hertel
Radiatively coupled waveguide polarization splitter simulated by wave-matching based coupled mode theory
Optical and Quantum Electronics 31, 877-891 (1999)

O. Zhuromskyy, M. Lohmeyer, N. Bahlmann, H. Dötsch, P. Hertel, A.F. Popkov
Analysis of polarization independent Mach-Zehnder type integrated optical isolator
IEEE Journal of Lightwave Technology 17(7), 1200-1205 (1999)

N. Bahlmann, M. Lohmeyer, H. Dötsch, P. Hertel
Integrated magneto-optic Mach-Zehnder interferometer isolator for TE-modes
Electronics Letters 34 (22), 2122-2123 (1998)

N. Bahlmann, M. Lohmeyer, H. Dötsch, P. Hertel
Finite element analysis of nonreciprocal phase shift for TE-modes in magneto-optic rib-waveguides with a compensation wall
IEEE Journal of Quantum Electronics 32 (2), 250-253 (1999)

M. Lohmeyer, N. Bahlmann, O. Zhuromskyy, H. Dötsch, P. Hertel
Phase-matched rectangular magnetooptic waveguides for applications in nonreciprocal integrated optics devices: Numerical assessment
Optics Communications 158 (1-6), 189-200 (1998)

M. Lohmeyer, N. Bahlmann, P. Hertel
Geometry tolerance estimation for rectangular dielectric waveguide devices by means of perturbation theory
Optics Communications 163 (1-3), 86-94 (1999)

M. Lohmeyer, M. Shamonin, N. Bahlmann, P. Hertel, H. Dötsch
Radiatively coupled waveguide concept for an integrated magnetooptic circulator
MRS Symposium Proceedings: Vol. 517, High-Density Magnetic Recording and Integrated Magneto-Optics: Materials and Devices, 519-524 (1998)

N. Bahlmann, M. Lohmeyer, M. Wallenhorst, H. Dötsch, P. Hertel
A comparison of an improved design for two integrated optical isolators based on nonreciprocal Mach-Zehnder interferometry
MRS Symposium Proceedings: Vol. 517, High-Density Magnetic Recording and Integrated Magneto-Optics: Materials and Devices, 513-518 (1998)

M. Wallenhorst, V. Backherms, A. Josef, N. Bahlmann, M. Lohmeyer, P. Hertel, H. Dötsch
Optimized nonreciprocal rib waveguides for integrated magneto-optic isolators
MRS Symposium Proceedings: Vol. 517, High-Density Magnetic Recording and Integrated Magneto-Optics: Materials and Devices, 463-468 (1998)

N. Bahlmann, M. Lohmeyer, M. Wallenhorst, H. Dötsch P. Hertel
An improved design of an integrated optical isolator based on nonreciprocal Mach-Zehnder interferometry
Optical and Quantum Electronics 30 (5/6), 323-334 (1998)

N. Bahlmann, V. Chandrasekhara, A. Erdmann, R. Gerhardt, P. Hertel, R. Lehmann, D. Salz, F. Schröteler, M. Wallenhorst, H. Dötsch
Improved Design of Magnetooptic Rib Waveguides for Optical Isolators
IEEE Journal of Lightwave Technology 16 (5), 818-823 (1998)

M. Shamonin, M. Lohmeyer, P. Hertel
Analysis of power-dependent switching between radiatively coupled planar waveguides
IEEE Journal of Lightwave Technology 15, 983-989 (1997)

M. Lohmeyer, M. Shamonin, P. Hertel
Integrated optical circulator based on radiatively coupled magnetooptic waveguides
Optical Engineering 36, 889-895 (1997)

M. Lohmeyer, M. Shamonin, P. Hertel
Boundary conditions for the finite difference beam propagation method based on plane wave solutions of the Fresnel equation
IEEE Journal of Quantum Electronics 33, 279-285 (1997)

H. Dötsch, A. Erdmann, M. Fehndrich, R. Gerhardt, P. Hertel, B. Lührmann, M. Shamonin, M. Wallenhorst
Application of magnetic garnet films in optical communication,
in R. Marcelli (ed.), Microwave Nonlinear Effects and Signal Processing Applications in Magnetic Films, Kluwer Academic Publishers, Dordrecht (1996)

M. Shamonin, M. Lohmeyer, P. Hertel, H. Dötsch
Optimization of a nonreciprocal phase shifter comprising a magneto-optic slab waveguide
Optics Communcations 131, 37-40 (1996)

M. Shamonin, M. Lohmeyer, P. Hertel, H. Dötsch
Radiatively coupled magneto-optic waveguides
Proceedings of SPIE, Vol. 2695, Functional photonic and fiber devices, 344-354 (1996)

M. Shamonin, M. Lohmeyer, P. Hertel, H. Dötsch
Magneto-optic waveguides: modeling and applications
Proceedings of SPIE, Vol. 2695, Functional photonic and fiber devices, 355-361 (1996)

A. Erdmann, P. Hertel
Beam propagation in magnetooptic waveguides
IEEE Journal of Quantum Electronics 31, 1510-1516 (1995)

M. Shamonin, A. Erdmann, P. Hertel
Properties of TE/TM polarized mode propagation in a system of two radiatively coupled waveguides
European Optical Society, Annual Meeting Technical Digest Series Vol. 2A (Photonics '95), 170-173 (1995)

M. Shamonin, P. Hertel
Analysis of nonreciprocal phase shifters for integrated optics by the Galerkin method
Optical Engineering 34, 849-852 (1995)

[1995]

M. Shamonin, P. Hertel
Analysis of nonreciprocal mode propagation in magnetooptic rib-waveguide structures with the spectral index method
Applied Optics 14, 6415-6421 (1994)

A. Erdmann, P. Hertel, H. Dötsch
Non-reciprocal coupling effects in gyrotropic waveguide structures
Optical and Quantum Electronics 26, 949-955 (1994)

A. Erdmann, M. Shamonin, P. Hertel, H. Dötsch
Design of nonreciprocal couplers for integrated optics
Proceedings of SPIE, Vol. 2150, 183-192 (1994)

M. Shamonin, A. Erdmann, P. Hertel, H. Dötsch
Analysis of nonreciprocal mode propagation in magneto-optic ridge waveguide structures
Proceedings of SPIE, Vol. 2212, Linear and nonlinear integrated optics, 378-389 (1994)

M. Wallenhorst, M. Niemöller, H. Dötsch, P. Hertel, R. Gerhardt, B. Gather
Enhancement of the nonreciprocal magneto-optic effect of TM modes using iron garnet double layers with opposite Faraday rotation
Journal of Applied Physics 77, 2901-2905 (1994)

O. Althoff, A. Erdmann, L. Wiskott, P. Hertel
The photorefractive effect in LiNbO3 at high light intensity
phys. stat. sol. A128 K41-46 (1991)

P. Moretti, P. Thevenard, G. Godefroy, R. Sommerfeld, P. Hertel, E. Krätzig
Waveguides in barium titanate by helium inplantation
phys. stat. sol. (a) 117, page K85 (1990)

H. Hemme, H. Dötsch, P. Hertel
Integrated optical isolator based on non-reciprocal mode cut-off
Appl. Optics 29, 2741 (1990)

[1990]

R. Richter, T. Bremer, P. Hertel, E. Krätzig
Refractive index and concentration profilesof proton-exchanged LiNbO3 waveguides
phys. stat. sol. (a) 114, page 765 (1989)

T. Bremer, P. Hertel, S. Oelschig, R. Sommerfeld, W. Heiland
Depth profiling of magnesium and titanium doped LiNbO3 waveguides
Thin Solid Films 175, 235 (1989)

T. Bremer, W. Heiland, B. Hellermann, P. Hertel, E. Krätzig, D. Kollewe
Waveguides in KNbO3 by He+ implantation Ferroelect. Lett. 9, 11 (1988)

T. Bremer, P. Hertel, D. Kollewe
Surface refractive indices und profile widths of He implated LiNbO3 waveguides
Nucl. Instrum. Methods Phys. Res. B34, 62 (1988)

S. Fries, P. Hertel, H. P. Menzler
Extraordinary versus ordinary refractive index change in planar LiNbO3:Ti waveguides
phys. stat. sol. (a) 108, page 449 (1988)

P. Hertel, K. Ringhofer, R. Sommerfeld
Theory of thermal hologram fixing and application to LiNbO3:Cu
phys. stat. sol. (a) 104, page 885 (1987)

P. Hertel, E Krätzig, H. Pape
Waveguide gratings and optical damage in LiNbO3:Ti:Fe.
In F. J. Duarte, editor, International Conference ond Lasers 87, Proceedings page 643, STS Press (1987)

H. P. Menzler, P. Hertel, H. Pape
Bisection algorithm to calculated hybrid modes of birefringent planar graded index waveguides
Appl. Phys. B44, page 205 (1987)

P. Hertel, H. P. Menzler
Improved inverse WKB procedure to reconstruct refractive index profiles
Appl. Phys. B44, 75 (1987)

V. Gericke, P. Hertel, E. Krätzig, J. P. Nisius, R. Sommerfeld
Light induced refractive index changes in LiNbO3:Ti waveguides
Appl. Phys. B44, 155 (1987)

T. Bremer, H. K. Koschmieder, W. Heiland, P. Hertel
Study of Ti:LiNbO3 waveguides by SIMS and mode spectroscopy
International Symposium on Trends and New Applications in Thin Films, Proceedings vol. 2, 403, Strasbourg 1987

J. P. Nisius, P. Hertel, E. Krätzig and H. Pape
Optical Damage in LiNbO3:Ti Waveguides
in "Integrated Optics", Editors H.-P. Nolting and R. Ulrich, Springer-Verlag Berlin, Heidelberg, New York, Tokyo, 62-66 (1985).

P. Falkensteiner, H. Grosse, F. Schöberl, P. Hertel
Solving the Schrödinger equation for bound states
Comp. Phys. Commun. 34, 287-293 (1985)

[1985]

J. Vollmer, J. P. Nisius, P. Hertel, E. Krätzig
Refractive index profiles of LiNbO3:Ti waveguides
Appl. Phys. A32, page 125 (1983)

[1980]

H. Grosse, P. Hertel, W. Thirring
Lower bound to the energy levels of atomic and molecular systems
Acta Phys. Austr. 49, 89-112 (1978)

P. Hertel, E. H. Lieb, W. Thirring
Lower bound to the energy of complex atoms
J. Chem. Phys. 62, 3355-3356, 1975

[1975]

P. Hertel, H. Narnhofer, W. Thirring
Thermodynamic functions for fermions with gravostatic and electrostatic interactions
Comm. Math. Phys.28, 159-176 (1972)

P. Hertel
Phase transition by gravitation
Proceedings of the International School of Physics "Enrico Fermi", LIII course, London 1973

P. Hertel, W. Thirring
Thermodynamic instability of a system of gravitating fermions
Quanten und Felder, Braunschweig 1971

P. Hertel, W. Thirring
Free energy of gravitating fermions
Comm. of Math. Phys. 24, 22 (1971)

P. Hertel, W. Thirring
A soluble model for a system with negative specific heat
Annals of Physics 63, 520-533 (1971)

[1970]

P. Hertel
Pion-pion scattering lengths from Veneziano formula and η→3π, K→3π decays
Z. Physik 226, 7 (1969)

P. Hertel
On the lifetime of the Kappa meson
Z. Physik 211, 491 (1968)

P. Hertel
Non-hermitian weak hadronic current and the Σ→Λ decay
Z. Physik 202, 383 (1967)

P. Hertel
Non-compact intrinsic symmetry groups and many particle states
Z. Physik 197, 197 (1966)

P. Hertel
Bound states in many channel and single channel calculations
Z. Physik 186, 288 (1965)