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Laser mode manipulation by intracavity dynamic holography: Application to mode selection
Intra-cavity dynamic holography is proposed as a self-adaptive, easy to set up technique for efficient laser mode manipulation. A first...
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Study of transient photorefractive beam coupling in high- and low-molar-mass liquid crystal mixtures
We observed transient signals of Bragg grating formation in high-performance photorefractive high- and low-molar-mass liquid crystal mixtures...
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Temporal characteristics of polarization-decoupled, anti-Stokes-type Brillouin-enhanced four-wave mixing
The characteristics of time-dependent Brillouin-enhanced four-wave mixing (BEFWM) interaction were investigated. The temporal and spatial profiles of...
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Quantum interference and Manley-Rowe relations in resonant four-wave frequency mixing in an optically thick Doppler-broadened medium
It is shown that under resonant interaction conditions certain notions in nonlinear optics which are based on the Manley-Rowe relations no longer...
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Investigation of the reflection-type double-pass confocal microscope with a phase-conjugate mirror
New experimental results about a reflection-type double-pass confocal microscope with a phase-conjugate mirror are presented. Exploiting the change...
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Effect of the lateral dimension on the grating formation and stability in the double-phase-conjugate mirror: application to interconnects between single-mode fibres
We develop a phenomenological model of the double-phase-conjugate mirror grating formation based on geometrical considerations. We show that the...
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Performance improvement of a holographic double-exposure interferometer by heating of the photorefractive recording crystal
A holographic double-exposure interferometer for quasi real-time analysis is realized, utilizing a photorefractive BTO:Cd crystal for hologram...
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Transmission behavior in a photorefractive polymer film
When a p-polarized beam propagates through a high-performance photorefractive polymer composite, poly dimethyl-4-(4 ′ -nitrophenylazo)benzene, its...
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Narrow bandwidth operation of high-power broad-area diode laser using cascaded phase-conjugate injection locking
A broad-area laser is injection-locked by another broad-area laser that is also injection-locked by a single-mode diode laser. Two double-phase...
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Simultaneous and sequential power transfer between coherent beams by photorefractive coupling
The power of several coherent laser beams can be transferred into a single diffraction-limited signal beam by photorefractive coupling. The...
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Interaction of two-dimensional spatial incoherent solitons in photorefractive medium
We present a review of our recent theoretical and experimental results on the interaction of incoherent two-dimensional solitary beams in PR SBN...
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Photorefractive effects in long, narrow BSO crystals with applied electric field
In a photorefractive Bi 12 SiO 20 crystal with high applied electric ac field of square-wave shape a fast two-wave coupling response (less than 1 s) and...
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Nonlinearity of a response in photorefractive crystals with a square-wave applied field
The space-charge-field formation in a photorefractive crystal illuminated by a one-dimensional light pattern is studied when an alternating...
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Dynamic properties of multiple grating formation in doped and thermally treated lead germanate
During holographic recording in lead germanate (Pb 5 Ge 3 O 11 ) crystals two types of refractive-index gratings are observed. One has a very fast response...
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Photorefractive two-beam coupling equations with multiple spatial–temporal features: an SVD approach
We analyze the evolution of multi-feature two-beam coupling, wherein each beam contains several spatial–temporal features (spatial patterns modulated...
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High optical gain using counterpropagating beams in iron and terbium-doped photorefractive lithium niobate
Exceptionally high values of photorefractive gain coefficient of up to 100 cm -1 have been observed in Fe-doped and Fe/Tb-doped crystals of...
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An analysis of the three-valence model of photorefraction
In this paper we present an analysis of the three-valence model of photorefraction. The basic equations of the model are studied and solved to find...
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Off-Bragg-angle light diffraction and structure of dynamic interband photorefractive gratings
Steady-state and time-resolved off-Bragg-angle diffraction experiments are used to determine the structure and the dynamics of photorefractive...