Coherent light generators – Particular beam control device – Mode locking
Patent
1989-01-06
1990-05-29
Sikes, William L.
Coherent light generators
Particular beam control device
Mode locking
372 25, 372 26, 372 28, H01S 3098
Patent
active
049301314
ABSTRACT:
An optical device is disclosed wherein a Fabry-Perot etalon (12) is used as a spectral mode selector externally coupled to a source of modelocked optical pulses (10). By adjusting the cavity length of the etalon (12), a plurality of equally spaced predetermined modes output from the source are transmitted by the etalon. These modes which are transmitted combine coherently to create a stream of optical pulses (16) having a higher repetition rate than the repetition rate of the source.
REFERENCES:
patent: 4737958 (1988-04-01), Sizer
patent: 4752931 (1988-06-01), Dutcher et al.
patent: 4791633 (1988-12-01), Esherick et al.
P. W. Smith, Proceedings of the IEEE, vol. 60, No. 4, Apr. 1972, "Mode Selection in Lasers", pp. 422-440.
Eisenstein et al., IEEE Journal of Quantum Electronics, vol. QE-22, No. 1, Jan. 1986, "Active Mode-Locking Characteristics of InGaAsP-Single Mode Fiber Composite Cavity Lasers", pp. 142-148.
AT&T Bell Laboratories
Epps Georgia Y.
Ranieri Gregory C.
Sikes William L.
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