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High-speed photodetectors with large saturation photocurrent are key components in fiber optic links and photonic microwave applications. Recently, we demonstrated flip-chip bonded modified uni-traveling carrier photodiodes (MUTC PDs) that achieved high saturation current and high speed [1]. In the present work, MUTC PDs are fully packaged and characterized under high-power large-signal modulation...
A high-linearity balanced photodetector with a record-high RF output power of 16 dBm at 40 GHz is presented. The third order intercept point at 15 GHz reaches 34 dBm. By operating one photodiode in the non-linear regime we observe partial cancelation of intermodulation distortions in common mode.
We demonstrate InP-based modified uni-traveling carrier photodiodes on silicon-on-insulator (SOI) waveguides with an internal responsivity of 0.85 A/W, up to 30 GHz bandwidth, and high RF output power. Photodiode arrays exceed a saturation current-bandwidth-product of 630 mA·GHz and +10 dBm RF output power at 20 GHz.
Cytokines and proteinases have both been implicated as mediators in the inflammatory response associated with trauma and sepsis. Using a burned-infected mouse model, it was previously found that mortality is proportional to the amount of proteolytic activity (PA) in the circulation. However, little is known about circulating cytokine levels in hosts that are both burned and infected. With this mouse...
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