Photodiodes are designed to operate at a specific optical wavelength. Fiber optics can operate at a wide variety of wavelengths, ranging from 650nm to 1550nm. Plastic and multimode fiber operate at ...
Direct coupling is advantageous in many photodetector applications, such as viewing laser thresholds and modulation depth. I patented a very fast photodetector mount 1,2 in the early 1970s using these ...
An avalanche photodiode (APD) delivers a useful electron-multiplier gain and generally improves signal-to-noise ratio (SNR) in optical communication systems. An APD is similar to a PIN photodiode with ...