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Showing 1 to 7 of 7 for “"VCSEL array"”.
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High Capacity VCSEL Array Based Optical Wireless Links
… thesis, Vertical-Cavity Surface-Emitting Lasers (VCSEL) are employed in laser-based OWC systems due to their compatible eye-safe working wavelengths within the near-infrared range, lower cost, and easy large-scale two-dimensional chip fabrication compared to other laser sources. The main …
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Coherent laser arrays from bottom-surface vertical-cavity surface-emitting lasers
Vertical-cavity surface-emitting lasers (VCSELs) are among the best choices for high beam quality semiconductor lasers. By designing a VCSEL array for uniform current injection and having the output coupler on the substrate side of the laser cavity, the laser will more easily operate in the …
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Coherently coupling multiple elements in vertical-cavity surface-emitting laser arrays
Vertical-cavity surface-emitting laser (VCSEL) arrays with three or more emitters coherently coupled are the focus of this work. VCSEL arrays have many established applications and reliable coherent VCSEL arrays are a next step in their progression. The key innovation of this work is individual …
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Coherently-coupled vertical-cavity laser arrays
… vertical cavity surface-emitting laser (VCSEL) arrays offer a unique approach to beam steering and high-radiance applications, and have many advantages such as small size, low cost, high speed, durability and manufacturing ease. Previous work on coherently-coupled VCSEL arrays has left …
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Analysis and applications of coupled leaky-mode, implant-defined surface-emitting laser arrays
… vertical-cavity surface-emitting laser (VCSEL) arrays have been designed, fabricated, and characterized using a number of methods. Two-dimensional coherent arrays are useful for biological and atmospheric sensing, free-space and fiber-based optical links, high-power laser pumps, and …
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Heterogeneously bonded vertical cavity surface emitting lasers and thermal modeling
… vertical cavity surface emitting lasers (VCSELs) onto hybrid substrates is demonstrated. This approach provides flexibility regarding the choice of device fabrication and hybrid substrate materials. Light output versus injected current and applied voltage characteristics of lasers are …
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Supermode analysis and characterization of the coherent vertical cavity surface emitting laser array
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2025-08-01