Photorefractive polymers sensitized by two-photon absorption

P. A. Blanche; B. Kippelen; A. Schülzgen; C. Fuentes-Hernandez; G. Ramos-Ortiz; J. F. Wang; E. Hendrickx; N. Peyghambarian; S. R. Marder

doi:10.1364/OL.27.000019

Photorefractive polymers sensitized by two-photon absorption

P. A. Blanche, B. Kippelen, A. Schülzgen, C. Fuentes-Hernandez, G. Ramos-Ortiz, J. F. Wang, E. Hendrickx, N. Peyghambarian, S. R. Marder

Research output: Contribution to journal › Article › peer-review

30 Scopus citations

Abstract

We demonstrate the recording of holograms and their nondestructive readout in a photorefractive polymer, using two-photon absorption. Sensitivity is provided by the excitation of the electroactive chromophore with femtosecond pulses, followed by charge injection into the photoconducting poly(N-vinylcarbazole) matrix. The holograms can be fully erased with a pulsed laser source but are insensitive to cw laser beams with the same wavelength. Studies of the field and intensity dependence of the diffraction efficiency indicate that the holograms are formed through the photorefractive effect.

Original language	English (US)
Pages (from-to)	19-21
Number of pages	3
Journal	Optics letters
Volume	27
Issue number	1
DOIs	https://doi.org/10.1364/OL.27.000019
State	Published - Jan 1 2002

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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AU - Blanche, P. A.

AU - Kippelen, B.

AU - Schülzgen, A.

AU - Fuentes-Hernandez, C.

AU - Ramos-Ortiz, G.

AU - Wang, J. F.

AU - Hendrickx, E.

AU - Peyghambarian, N.

AU - Marder, S. R.

PY - 2002/1/1

Y1 - 2002/1/1

N2 - We demonstrate the recording of holograms and their nondestructive readout in a photorefractive polymer, using two-photon absorption. Sensitivity is provided by the excitation of the electroactive chromophore with femtosecond pulses, followed by charge injection into the photoconducting poly(N-vinylcarbazole) matrix. The holograms can be fully erased with a pulsed laser source but are insensitive to cw laser beams with the same wavelength. Studies of the field and intensity dependence of the diffraction efficiency indicate that the holograms are formed through the photorefractive effect.

AB - We demonstrate the recording of holograms and their nondestructive readout in a photorefractive polymer, using two-photon absorption. Sensitivity is provided by the excitation of the electroactive chromophore with femtosecond pulses, followed by charge injection into the photoconducting poly(N-vinylcarbazole) matrix. The holograms can be fully erased with a pulsed laser source but are insensitive to cw laser beams with the same wavelength. Studies of the field and intensity dependence of the diffraction efficiency indicate that the holograms are formed through the photorefractive effect.

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Photorefractive polymers sensitized by two-photon absorption

Abstract

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