Optical Data Storage in Photosensitive Glasses and Spin State Transition Compounds

Bellec, Matthieu; Canioni, Lionel; Royon, Arnaud; Bousquet, Bruno; Degert, Jérôme; Freysz, E.; Cardinal, Thierry; Létard, Jean‐François

doi:10.5772/8874

Cited by 2 publications

(2 citation statements)

References 37 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The scale achievable in bulk dielectric materials creates the premises of efficient data storage in a solid, resistent and protective environment. The first example, which will be developed to a large extent in Chapter 19, concerns the laser-mediated chemistry in doped materials, and, notably, the generation and aggregation of Ag atoms in photosensitive glass [101], leading to a high packing density of silver cluster dots embedded in the bulk, readable using third-harmonic generation microscopy. The advantages of this technique are related to the absence of bleaching, scattering, with directional read-out.…”

Section: Data Storage and Quantum Technologiesmentioning

confidence: 99%

See 1 more Smart Citation

Ultrafast Laser Volume Nanostructuring of Transparent Materials: From Nanophotonics to Nanomechanics

Stoian

D’Amico²,

Bellouard³

et al. 2023

Springer Series in Optical Sciences

View full text Add to dashboard Cite

The capability of ultrashort laser pulses to generate nonlinear absorption in the transparency window of dielectric materials is at the base of volume structuring. The result is a local change of the refractive index, the building block for generating complex embedded optical functions in three-dimensional geometries within a monolith chip. The nonlinearity determines spatial scales on the order of the wavelength. Depending on the rate and the amount of energy deposition, the local refractive index change can be accurately tuned from positive to negative values on variable scales, generating thus new capabilities for processing light within an optical chip in terms of embedded waveguides and micro-optics. New irradiation strategies and engineered glasses permit to go even further in reaching processing super-resolution, i.e. on spatial scales smaller than the optical resolution. The smallest scales achievable nowadays go well bellow the diffraction limit approaching and even surpassing the 100 nm value, a tenth of the wavelength. We will discuss in this chapter the possibility of obtaining structural features much smaller than the electromagnetic wavelength and the associated methods. Direct focusing and self-organization phenomena will be analyzed, as well as the optical functions originating from these processes, namely in transporting and manipulating light. Achieving extreme scales in the range of 100 nm generates an additional capability Razvan Stoian

show abstract

Section: Data Storage and Quantum Technologiesmentioning

confidence: 99%

“…11 (a) Third-harmonic-generation readout of information bits generated by silver clusters in photosensitive glass. Reprinted with permission from [101] ©IntechOpen. (b) Multidimensional (5D) data storage in glass using nanogratings.…”

Section: Data Storage and Quantum Technologiesmentioning

confidence: 99%