Optically Controlled Fine-Tuning Phase Shift Cell Based on Thin-Film Ge₂Sb₂Te₅ for Light Beam Phase Modulation

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2024年9月13日

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A. V. Kiselev,
A. A. Nevzorov,
A. A. Burtsev,
V. A. Mikhalevsky,
N. N. Eliseev,
V. V. Ionin,
A. A. Lotin

摘要

We present the experimental study of free-space optical control of the optical beam phase shift caused by the formation of a layered structure in an elementary controllable cell made of phase-change material Ge₂Sb₂Te₅ subjected to the controlling effect of pulsed laser radiation. The phase change of the signal optical beam passing through the controlled cell from phase-change material relative to the control beam in the Jamin interferometer is demonstrated.

Optically Controlled Fine-Tuning Phase Shift Cell Based on Thin-Film Ge2Sb2Te5 for Light Beam Phase Modulation

摘要

Optically Controlled Fine-Tuning Phase Shift Cell Based on Thin-Film Ge₂Sb₂Te₅ for Light Beam Phase Modulation