SFH 2704 Photodiode Fall Time Much Longer Than Datasheet—Why Is This Happening?

Hello
I have a problem with the photodiode. I bought the SFH 2704 photodiode and connected it directly to the oscilloscope circuit without an electronic circuit.
The fall time of this very, very long piece was about 380 microseconds, while in the information of this piece, the fall time was 67 nanoseconds.
What do you think is the problem? And how can I solve this problem?

The diagram below shows the output of the photodiode with a pulse of 160 microseconds.
This pulse is taken with a commercial PDA10A2 photodiode and is exactly equal to the pulse, meaning that the light source does not have a short time.

Hi
What kind of light did you use to excite the photodiode. Try with different color of light or with laser.
Giovanni

You have to have a pulsed source of light and appropriate load on the photodiode or you are limited by them, rather than the characteristics of the diode. Normally a 50 ohm load would be used, and the light source and scope responses have to be better than the rise and fall times you want to see.
Cheers,
Richard