Sagi Mathai
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View article: Polarization diversity optical interface assembly
Polarization diversity optical interface assembly Open
Examples herein relate to polarization diversity optical interface assemblies including a single mode optical fiber and first and second grating couplers disposed on a substrate. The first and second grating couplers are coupled to first a…
View article: Noise Performance of Single-Mode VCSELs: Dependence on Current Confinement and Optical Loss
Noise Performance of Single-Mode VCSELs: Dependence on Current Confinement and Optical Loss Open
We investigate the intensity and phase noise properties of GaAs-based 1060 nm oxide-confined single-mode vertical-cavity surface-emitting lasers (VCSELs) and their dependence on slope efficiency and current spreading, parameters that contr…
View article: 1060 nm Single-Mode VCSEL and Single-Mode Fiber Links for Long-Reach Optical Interconnects
1060 nm Single-Mode VCSEL and Single-Mode Fiber Links for Long-Reach Optical Interconnects Open
We investigate the use of a 1060 nm single-mode vertical-cavity surface-emitting laser (VCSEL) and a 1060 nm single-mode fiber as a competitive single-mode technology for cost- and power-efficient long-reach optical interconnects. Error-fr…
View article: 1060 nm VCSELs for long-reach optical interconnects
1060 nm VCSELs for long-reach optical interconnects Open
Reach extension of high capacity optical interconnects based on vertical-cavity surface-emitting lasers (VCSELs) and multimode fibers (MMFs), as needed for large-scale data centers, would benefit from high-speed GaAs-based VCSELs at 1060 n…
View article: 1060 nm VCSEL for up to 40 Gbit/s data transmission
1060 nm VCSEL for up to 40 Gbit/s data transmission Open
A GaAs-based 1060 nm VCSEL with strained InGaAs/GaAsP QWs, doped DBRs, a short optical cavity, and multiple oxide apertures is presented. Modulation up to 40 Gbit/s at 25°C and 30 Gbit/s at 85°C is demonstrated.