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Angular Tuning of Axial Resonance in Periodic Grating Structures Design Strategy for Operating Multi-Channel CW or Mode-Locked Pulsed VECSELs
This invention can be used to develop tunable wavelength VECSEL/VCSEL/OPSL sources. This can also be used to tune absorption bands in periodic absorbers or any periodic media. This allows for engineering of tunability of a source. Furthermore, the adaptability of this invention permits the utilization of multiple wavelength ranges without needing to...
Published: 9/5/2023
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Inventor(s): Jerome Moloney, Simon Tsaoussis
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Communications & Networking > Optical, Technology Classifications > Engineering & Physical Sciences > Communications & Networking, Technology Classifications > Imaging & Optics > Lasers & Other Sources
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Hybrid SESAM Output Coupler
A novel hybrid semiconductor saturable absorber mirror (SESAM)/dielectric output coupler has been developed and employed to demonstrate a mode locked vertical-external-cavity surface-emitting lasers (VECSEL). The hybrid SESAM enables a greatly simplified optical layout for developing short pulse laser sources utilizing semiconductor based VECSELs.
Background:...
Published: 9/5/2023
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Inventor(s): Ronald Jones, Jerome Moloney, Ricky Gibson, Sadhvikas Addamane, Garrett Cole
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Lasers & Other Sources, Technology Classifications > Engineering & Physical Sciences > Communications & Networking, Technology Classifications > Imaging & Optics > Telecommunications, Technology Classifications > Imaging & Optics > Displays
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Patterned Metallization for Hybrid Metal-Semiconductor Mirror of High Reflectivity
Researchers at the University of Arizona have designed a novel hybrid metal-semiconductor mirror for use with VECSELs. A novel method of deposition incorporating a patterned mask allows for the use of gold in conjunction with GaAs. The DBR thickness is reduced, as is the thermal impedance, resulting in high reflectivity and high gain.
Background:...
Published: 4/3/2023
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Inventor(s): Alexandre Laurain, Jerome Moloney, Patrick Gbele
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Lasers & Other Sources
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