Time-varying diffraction and transmission of a photorefractive grating illuminated by an ultra-short laser pulse

Bing Yang; Xiaona Yan

doi:10.1117/12.683903

24 August 2006 Time-varying diffraction and transmission of a photorefractive grating illuminated by an ultra-short laser pulse

Bing Yang, Xiaona Yan

Author Affiliations +

Proceedings Volume 6314, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications XII; 63141X (2006) https://doi.org/10.1117/12.683903
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

Based on the coupled wave theory of Kogelnik, variations of the diffracted and transmitted beams with time are theoretically studied when PR hologram is illuminated by femtosecond pulse. We find that the waveforms of the diffracted and transmitted pulses depend on the input pulse duration, grating spacing, crystal thickness and modulation of the refractive index. By changing values of these parameters, the diffracted and transmitted pulse waveforms can be controlled to satisfy our desire. We also find that the diffracted and transmitted pulses have a displacement along the t-axis comparing to that of the input pulse. Conclusions of our study can be used in many areas, such as pulse shaping and signal processing.

Citation Download Citation

Bing Yang and Xiaona Yan "Time-varying diffraction and transmission of a photorefractive grating illuminated by an ultra-short laser pulse", Proc. SPIE 6314, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications XII, 63141X (24 August 2006); https://doi.org/10.1117/12.683903

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