APD20B1
25 Gb/s APD with Integrated Lens
Bottom-illuminated, ultra high speed avalanche photodiode (APD) chip with a T-shaped pad layout and an integrated backside lens. This innovative APD provides low noise multiplication and a high gain-bandwidth product which enables the design of high sensitivity 25G receivers. Typical applications include 100GBASE-ER4.
The integrated backside lens focuses the incoming light beam on the topside detecting area, enabling an easy and efficient optical coupling. The chip has a pad layout allowing both wire-bonding or flip-chip mounting. In addition, backside metallization is available for soldering of the die to a carrier.
Second place with a score of 4.5 out of 5 with Honorable mention. |
Features
- Low noise multiplication
- Enabling high sensitivity 25G receivers
- High gain-bandwidth product
- Large lens diameter of 100 μm
- Low operating bias: 20 V
- Low temperature dependence: 10 mV/°C
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