Accession Number:

AD0893065

Title:

Laser Mode Control and Nonlinear Optics.

Descriptive Note:

Final rept. 1 Aug 68-30 Nov 71,

Corporate Author:

MINNESOTA UNIV MINNEAPOLIS DEPT OF ELECTRICAL ENGINEERING

Personal Author(s):

Report Date:

1971-10-01

Pagination or Media Count:

162.0

Abstract:

Results are reported for work on coupled optical resonators, laser amplitude noise, phase locking, and nonlinear interactions. The propagation characteristics for low intensity pulses in the active gain medium of a laser have been studied both experimentally and theoretically. The pulse velocity is very nearly equal to the classical group velocity dwdk, and is less than c for a gain medium and greater than c for a resonant absorber. In a self-locked laser there is a small gain fluctuation associated with the pulses which results in a fluctuating dispersion, and hence a smaller group velocity at the front of the pulse than at the back. This time-dependent group velocity helps to stabilize the shape. Author

Subject Categories:

  • Lasers and Masers

Distribution Statement:

APPROVED FOR PUBLIC RELEASE