Strain induce control of polarization states in vertical cavity

Details Strain induce control of polarization states in vertical cavity Strain induce control of polarization states in vertical cavity

1997-12-15

1999-09-14

Healy, Brian

Coherent light generators

Particular resonant cavity

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372 43, 372 45, 372 46, 372 50, 372 99, 372106, 257 14, 257 15, 257 18, 257 98, 437 51, 437129, H01S 308, H01L 3300, H01L 2120

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059533625

ABSTRACT:
A vertical cavity surface emitting laser is formed by eutectically bonding a laser cavity, defined by an active layer disposed between first and second, stacked mirror assemblies, to a host substrate which has a predetermined anisotropic coefficient of thermal expansion. During the forming process, a uniaxial strain is induced within the laser cavity. With this arrangement, large arrays of vertical cavity surface emitting lasers can be formed with predetermined polarization states that are based on the selected anisotropic host substrate.

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