Experimental characterization of two-photon materials for fast rewritable optical data storage

Nikolay Makarov; Mikhail Drobizhev; Aleks Rebane; Desiree Peone; Heinz Wolleb; Heinz Spahni

doi:10.1117/12.681253

14 September 2006 Experimental characterization of two-photon materials for fast rewritable optical data storage

Nikolay Makarov, Mikhail Drobizhev, Aleks Rebane, Desiree Peone, Heinz Wolleb, Heinz Spahni

Proceedings Volume 6330, Nonlinear Optical Transmission and Multiphoton Processes in Organics IV; 63300K (2006) https://doi.org/10.1117/12.681253
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

We study one photon absorption (1PA) and two photon absorption (2PA) properties of a series of asymmetrical phthalocyanines for 2PA-based 3D optical information storage. These compounds show very large 2PA cross section, σ₂ = 10³ - 10⁴ GM, in near IR range of excitation, from 800 to 900 nm. This strong resonance enhancement effect is possible due to one-photon-allowed and narrow intermediate Q-transition, occurring in very vicinity of excitation wavelength. We report 2PA spectra, 2PA cross-sections, temperature stability, tautomerization and fluorescence quantum yields, measured in organic solvents and in polymer films in temperature range 77 - 300K. We show that the unique combination of photophysical properties make these compounds attractive candidates for fast re-writable volumetric storage.

Citation Download Citation

Nikolay Makarov, Mikhail Drobizhev, Aleks Rebane, Desiree Peone, Heinz Wolleb, and Heinz Spahni "Experimental characterization of two-photon materials for fast rewritable optical data storage", Proc. SPIE 6330, Nonlinear Optical Transmission and Multiphoton Processes in Organics IV, 63300K (14 September 2006); https://doi.org/10.1117/12.681253

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