Optical pulse compression apparatus and method
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United States of America Patent
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May 13, 1986
Grant Date -
N/A
app pub date -
Jun 9, 1982
filing date -
Jun 9, 1982
priority date (Note) -
Expired
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Abstract
An optical pulse is passed through a nonlinear dispersive delay line, which chirps the pulse by the nonlinear process of self-phase modulation and simultaneously and interactively broadens the pulse by the process of group velocity dispersion. The broadened and chirped pulse is then passed through a linear dispersive delay line, which compresses the pulse to a width less than the original pulse. By making the optical pulse suitably intense, a single-mode optical fiber may act as the nonlinear dispersive delay line. A near-resonant atomic vapor cell or a grating pair may act as the linear dispersive delay line.
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