Tunable optically-pumped semiconductor laser including a polarizing resonator mirror
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United States of America Patent
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Dec 9, 2003
Grant Date -
N/A
app pub date -
Oct 7, 2002
filing date -
Oct 7, 2002
priority date (Note) -
Expired
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Abstract
An optically-pumped semiconductor (OPS) laser includes a multilayer structure including a mirror-structure surmounted by a multilayer semiconductor gain-structure. A membrane mirror is spaced apart from the mirror structure to form a laser resonator between the mirror structure and the membrane mirror, with the gain-structure included in the laser resonant cavity. Pump light is transmitted through the membrane mirror into the gain structure. The membrane mirror includes a grating having parameters selected such that the membrane mirror has different reflectivities at the wavelength of the laser in two orthogonally-oriented planes of polarization. The membrane mirror is axially movable along the resonator axis for varying the resonator length to select the wavelength of the single lasing mode.
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