NDLI: Nondestructive readout of holograms recorded by Bessel beam technique in LiNbO3:Fe and LiNbO3:Fe:Cu crystals

Content Provider	Springer Nature Link
Author	Badalyan, Anahit Hovsepyan, Ruben Mantashyan, Paytsar Mekhitaryan, Vahram Drampyan, Rafael
Copyright Year	2014
Abstract	Detailed and comparable investigations of the time evolution of the readout erasure of 1D and 2D annular symmetry photonic lattice structures optically induced by nondiffracting Bessel beam technique were performed. The lattices were recorded with the use of cw single mode 532 nm, 17 mW laser beam in photorefractive LiNbO3:Fe and LiNbO3:Fe:Cu crystals, the latter having also photochromic properties. While the 1D Bessel-like refractive lattice had micrometric scale modulation in the radial direction, the 2D complex lattices inducted by Bessel standing wave were a combination of annular and planar refractive gratings with ~10 μm period in the radial and half-wavelength standing wave 266 nm period in the axial directions. The study of photochromic properties of LN:Fe:Cu crystal at 532 nm showed 1.6 times increase of absorption coefficient with increase of illuminating intensity from 12.5 to 96.8 mW/cm2, which opened a direct way of essential decrease of the erasure of the stored lattices during readout by weaker probe beam at the recording wavelength. Investigations showed that the erasure constants for 1D and 2D lattices in LN:Fe:Cu crystal are larger than in LN:Fe crystal (6150 and 5150 s, and 3080 and 698 s, respectively). The nondestructive refractive lattices recorded by Bessel beam technique will assist the different applications in all optical devices and communication systems and have particular interest for experiments on light localization and spatial soliton formation in structured nonlinear media.
Starting Page	1
Ending Page	11
Page Count	11
File Format	PDF
ISSN	14346060
Journal	The European Physical Journal D - Atomic, Molecular, Optical and Plasma Physics
Volume Number	68
Issue Number	4
e-ISSN	14346079
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2014-04-23
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Optical Phenomena and Photonics Atomic, Molecular, Optical and Plasma Physics Physical Chemistry Quantum Physics Quantum Information Technology, Spintronics Spectroscopy/Spectrometry Nonlinear Dynamics
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics

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