Polarizing grating coupler for high Q laser cavities

A coupling grating made in the last high-index layer of a highly reflective multilayer laser output mirror, located at the outside of the laser cavity, induces a significant fall of the reflection coefficient for one of the polarizations. The lasing polarization does not suffer more than 0.1% scatte...

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Bibliographic Details
Published in:IEEE journal of quantum electronics 2003-04, Vol.39 (4), p.614-619
Main Authors: Ahmed, M.A., Pigeon, F., Tishchenko, A.V., Parriaux, O., Ouerdane, Y., Reynaud, S., Pommier, J.-C., Fuchs, H.-J.
Format: Article
Language:English
Subjects:
Doped-insulator lasers and other solid state lasers
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Gratings
Industrial control
Joining
Laser cavities
Laser optical systems: design and operation
Laser outputs
Lasers
Lasing
Manufacturing industries
Mirrors
Multilayers
Nonhomogeneous media
Optical coupling
Optical reflection
Optics
Physics
Polarization
Quantum electronics
Reflection coefficient
Resonators, cavities, amplifiers, arrays, and rings
Scattering
Thickness control
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Summary:A coupling grating made in the last high-index layer of a highly reflective multilayer laser output mirror, located at the outside of the laser cavity, induces a significant fall of the reflection coefficient for one of the polarizations. The lasing polarization does not suffer more than 0.1% scattering. The understanding of device operation revealed by experiments shows the way for achieving an industrial manufacturing scheme, despite the poor control which layer-deposition technologies presently have on the layer index and thickness separately.
ISSN:0018-9197
1558-1713
DOI:10.1109/JQE.2003.809334