Photorefractive organic material for optical thresholding

Talarico, Mara; Termine, Roberto; Golemme, Attilio

doi:10.1063/1.2771531

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Cited by 3 publications

References 17 publications

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Organic Photorefractive Materials and Applications

2011

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This review describes recent advances and applications in the field of organic photorefractive materials, an interesting area in the field of organic electronics and promising candidate for various aspects of photonic applications. We describe the current state of knowledge about the processes involved in the formation of photorefractive gratings in organic materials and focus on the chemical and photo‐physical aspects of the material structures employed in low glass‐transition temperature amorphous composites and organic photorefractive glasses. State‐of‐the art materials are highlighted and recent demonstrations of photonic applications relying on the reversible holographic nature of the photorefractive materials are discussed.

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Organic Photorefractive Materials and Applications

2011

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Photorefractive Smectic Mesophases

Termine

Golemme

2016

Photorefractive Organic Materials and Applications

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Broad-spectrum diffractive network via ensemble learning

Chen¹,

Zhang

2022

Opt. Lett.

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We propose a broad-spectrum diffractive deep neural network (BS-D2NN) framework, which incorporates multiwavelength channels of input lightfields and performs a parallel phase-only modulation using a layered passive mask architecture. A complementary multichannel base learner cluster is formed in a homogeneous ensemble framework based on the diffractive dispersion during lightwave modulation. In addition, both the optical sum operation and the hybrid (optical–electronic) maxout operation are performed for motivating the BS-D2NN to learn and construct a mapping between input lightfields and truth labels under heterochromatic ambient lighting. The BS-D2NN can be trained using deep learning algorithms to perform a kind of wavelength-insensitive high-accuracy object classification.

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Photorefractive organic material for optical thresholding

Abstract: Articles you may be interested inReal-time dynamic hologram in photorefractive ferroelectric liquid crystal with two-beam coupling gain coefficient of over 800cm-1 and response time of 8ms

Cited by 3 publications

References 17 publications

Organic Photorefractive Materials and Applications

Organic Photorefractive Materials and Applications

Photorefractive Smectic Mesophases

Broad-spectrum diffractive network via ensemble learning

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