The Seventh Seminar on Quantum Optics was held on May 18 - May 20, 1998, at the Raubichi Olympic Center. A part of the reports presented at SQO-VII was published in special issues of Optics and Spectroscopy Vol. 87, No. 4, 1999, Optics and Spectroscopy Vol. 87, No. 5, 1999.

Contents of the issue:

Fundamentals of Quantum Optics

Universal Quantum Cloning

*V. Buzek and M. Hillery* 490

Interference without Interference: Directional Properties of
Spontaneous Emission

*A. Orlowski and W.Zakowicz *500

Optical Tachyons in Parametric Amplifiers: How Fast Can Quantum
Information Travel?

*G. Kurizki, A.E. Kozhekin, A.G.Kofman and M. Blaauboer *505

Phase-Difference between Two Quantized Harmonic Oscillators

*J.Söderholm and G. Björk* 513

Measurements in Quantum Optics

Quantum-Non-Demolition Endoscopic Tomography

*M.Fortunato, P.Tombesi, and B.Schleich *518

Violation of the Equivalence of Field Intensity and Photocurrent
in a Feedback Loop

*D.B.Horoshko and S.Ya. Kilin* 523

Quantum Variation Measurements and a Heisenberg Microscope

*S.P.Vyatchanin* 532

Complex Data Processing in an Optomechanical Converter with
Modulated Pumping

*A.V.Gusev and V.V.Kulagin* 541

Quantum Optics of Photonic Crystals

Light Propagation Effects in One-Dimensional, Al/MgF2 Photonic
Band Gap

*M.J. Bloemer and M. Scalora *545

Coherent Optics and Localized Light

*V.I. Yukalov *550

Dynamics of Interaction of Ultrashort Light Pulses with Nonlinear
One-Dimensional Layer Periodic Structures

*A.G.Smirnov* 555

Nonlinear Quantum Optics

Phase Switching Properties in Nonlinear Coupler

*L.Mišta Jr., J.Rehacek, and J.Perina *561

Quantum Fluctuations in Optical Bistability with Non-Classical
Drive

*Y.M. Golubev and M.I.Kolobov* 565

Consecutive Quasi-Synchronous Interactions in Nonlinear Optics:

New Possibilities for Generating Nonclassical Light

*A.S.Chirkin *575

Quantum Fluctuations at the Output of an Optical Parametric Image
Intensifier

*M.I. Kolobov, L.A.Lugiato, and I.V.Sokolov *580

Method of Allowing for Dissipative Effects in Quantum Nonlinear
Optical Processes

*V.N. Volokhovskii and A.S. Chirkin* 588

Amplification of Correlated Light Beams

*V.N. Gorbachev and A.I. Trubilko* 591

On The Self-Modulation of Optical Pulses in a Kerr Medium and
Limits of the Single-Mode Approximation

*D.Kouznetsov and E.Gómez *594

Squeezed States of Light upon Two-Photon Generation in
Noninverted Atoms

*V.N. Gorbachev and A.I. Trubilko* 603

Suppression of Longitudinal Side Modes and Squeezing of the
Radiation Noise in Quantum-Well Lasers

*P.A.Usachev and A.S.Trifonov* 606

Experimental Demonstration of the Phase-Difference Operator

*A.Trifonov, T.Tsegaye, G.Björk, J.Söderholm, and E.Goobar *611

Quantum Optics of Single Objects

Coupling Constant Distribution Measured for Dynamical Interaction
between Probe Molecules and an Amorphous Polymer Host

*E.A. Donley, T. Plakhotnik, H.Bach, and U.P.Wild* 616

Spectroscopy of Single N-V-Centers in Diamond: Tunneling of a
Substituting Nitrogen Atom to a Vacancy and Its Manifestations in
Fluorescence Spectra

*S.Ya. Kilin, A.P.Nizovtsev, T.M. Maevskaya, A.Gruber,
A. Drabenschtedt, J. Wrachtrup, and C. von Borczyskowski *624

On the Radiative Linewidth in Single Molecule Spectroscopy

Bound Hole States and Ferrons in High-Tc Superconductors

Nonclassical States of Light in systems with Free Electrons

New Effects in Light Scattering from Cold Atoms Trapped by Harmonic Potentials

Interference of Light with Localized Atomic Wave Functions

Dressing Dressed States

Master Equation Approach to the Problem of Two-Level Atom in a Squeezed Vacuum

with Finite Bandwidth

Two-Photon Transitions in the Continuum Spectrum in Mg–Rare-Gas Atom

Fractional Optical Collision

I. M. Sokolov, A. V. Slavgorodskii, and A. I. Trubilko