Optical pulse compression apparatus and method

Details Optical pulse compression apparatus and method Optical pulse compression apparatus and method

1982-06-09

1986-05-13

Moskowitz, Nelson

Amplifiers

Parametric amplifiers

Semiconductor type

35016217, 307430, 455610, G02F 116

Patent

active

045889570

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.

REFERENCES:
patent: 3999839 (1976-12-01), Bjorkland et al.
Shank et al., "Compression of Femtosecond Optical Pulses", 5/1/82, pp. 761-763, Appl. Phys. Lett., vol. 40, #9.
Alfano et al., "Electronic Mechanism . . . Self Phase Modulation", 7/72, pp. 433-438, Phys. Rev. A., vol. 6, #1.
Nakatsuka et al., "Recompression of . . . Optical Fibers", 1/81, pp. 13-15, Optics Letters, vol. 6, #1.
Crosignani et al., "Self-Phase Modulation . . . Optical Fibers", 12/78, pp. 1-9, ntis n 80-11318/6.
Agostinelli et al., "Optical Pulse Shaping with Grating Pair", 7/15/79, pp. 2500-2504, Applied Opt., vol. 18, #14.
Nakatsuka et al., "Nonlinear picosecond-pulse . . . Dispersion", 9/28/81, pp. 910-913, Phys. Rev. Lett., vol. 47, #13.
Fisher et al., "Pulse Compression . . . Chains II," 1/75, pp. 46-52, IEEE. J.Q.E., vol. QE-11, #1.
Fisher et al., "Dispersive Temporal Compression . . . Amplifier Chains", 11/5/73, pp. 1-37, ntis uc1d-16405.

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