Hybrid, saturable reflector for mode-locking lasers

Details Hybrid, saturable reflector for mode-locking lasers Hybrid, saturable reflector for mode-locking lasers

1997-04-08

1999-05-04

Scott, Jr., Leon

Coherent light generators

Particular beam control device

Mode locking

372 45, 372 99, H01S 0000

Patent

active

059011629

ABSTRACT:
A mode-locking device for a laser operating at a defined wavelength, has a substrate, transparent to the defined wavelength, with a front side for receiving, incident radiation and a back side. An anti-reflection coating is formed on the front side to minimize reflection loss at the defined wavelength. A quantum well structure is arranged on the back side. A high reflectance structure is arranged behind the quantum well structure in such a way that an electric field peak in the incident radiation lies coincides with that of the quantum well structure. This device offers a more reliable and less costly approach for the production of non-linear mirrors since the layers of the dielectric stack do not have to be formed by epitaxial deposition.

REFERENCES:
patent: 5237577 (1993-08-01), Keller et al.
patent: 5241413 (1993-08-01), Uenishi et al.
patent: 5265107 (1993-11-01), Delfyett, Jr.
patent: 5434873 (1995-07-01), Delfyett, Jr.
patent: 5627854 (1997-05-01), Knox
patent: 5666373 (1997-09-01), Sharp et al.

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