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Conferences > SHBS > 1994 > WD > WD22

Room-Temperature Persistent Spectral Hole Burning of Sm2+ in Disordered Fluorite-Type Single Crystals α-MALnF6 (M=Ca, Sr;A=Na, K, Rb;Ln=Y, La, Gd)

N. Kodama, S. Hara, Y. Inoue, T. Seita, and K. Hirao

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Abstract

Persistent spectral hole burning (PSHB) is expected to be a mechanism for future ultrahigh density multi-wavelength optical memory whose density can be higher than the conventional optical memory by 10 to 104 times. PSHB optical memories are mainly studied for dye-doped polymers, but the hole burning temperatures for such poleymers are limited to tempertures lower than 140 K [1], Recently room-temperature PSHB has been observed in Sm2+ doped halide crystals [2-4] and glasses [5], and borate glasses [6]. The halide crystals are not bulk single crystals but polycrystals.

© 1994 Optical Society of America

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