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

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 Ge 2 Sb 2 Te 5 subjected to the controlling effect of pulsed laser radiation. The phase chan...

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Veröffentlicht in:	JETP letters 2024-09, Vol.120 (6), p.440-444
Hauptverfasser:	Kiselev, A. V., Nevzorov, A. A., Burtsev, A. A., Mikhalevsky, V. A., Eliseev, N. N., Ionin, V. V., Lotin, A. A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Atomic Biological and Medical Physics Biophysics Controllability Light beams Methods of Physical Research Molecular Optical and Plasma Physics Optical control Particle and Nuclear Physics Phase change materials Phase modulation Phase shift Physics Physics and Astronomy Pulsed lasers Quantum Information Technology Solid State Physics Spintronics Thin films
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Beschreibung
Zusammenfassung:	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 Ge 2 Sb 2 Te 5 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.
ISSN:	0021-3640 1090-6487
DOI:	10.1134/S0021364024602598