A photon accelerator -- Large blueshifting of femtosecond pulses in semiconductors | Zendy

V. I. Berezhiani | Zendy; S. M. Mahajan | Zendy; I. G. Murusidze | Zendy

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A photon accelerator -- Large blueshifting of femtosecond pulses in semiconductors

Author(s) -

V. I. Berezhiani,

S. M. Mahajan,

I. G. Murusidze

Publication year - 1997

Language(s) - English

Resource type - Reports

DOI - 10.2172/481608

Subject(s) - femtosecond , laser , physics , photon , ultrashort pulse , semiconductor , wavelength , pulse (music) , optics , blueshift , photon energy , nonlinear optics , atomic physics , optoelectronics , photoluminescence , detector

The availability of relatively high intensity (I > 10{sup 9}Wcm{sup {minus}2}) [but moderate ({approximately} nJ) total energy], femtosecond laser pulses with wavelengths ranging from the ultraviolet to the mid-infrared has opened the doors for a serious investigation of the nonlinear optical properties of matter on ultrashort time scales in a new parameter regime. Even small intensity-dependent nonlinearities can begin to play a major role in the overall electrodynamics, and in determining the fate of the propagating pulse. It is shown that a femtosecond pulse propagating near a two-photon transition in a semiconductor waveguide can undergo a large blueshift

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