Why is Biasing Important for Photodetectors?

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    Biasing Photodetector
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Discussion Overview

The discussion revolves around the importance of biasing photodetectors, particularly in the context of fiber optics. Participants seek to understand the reasons for biasing before setting up a system that converts light signals to electrical signals.

Discussion Character

  • Exploratory, Technical explanation, Conceptual clarification

Main Points Raised

  • One participant inquires about the necessity of biasing a photodetector prior to setup.
  • Another participant requests clarification on the specific type of photodetector and the nature of the bias.
  • A participant mentions working with fiber optics and expresses the need to understand the rationale behind biasing the photodetector used for signal conversion.
  • There is a request for more information about the specific photodetector being used.
  • One participant suggests consulting external resources, including Wikipedia and other links, for foundational knowledge about photodiodes.

Areas of Agreement / Disagreement

Participants have not reached a consensus on the specifics of biasing photodetectors, and multiple viewpoints regarding the type of photodetector and its application remain unresolved.

Contextual Notes

The discussion lacks specific details about the types of photodetectors being referenced and the exact nature of the biasing process, which may affect the understanding of the topic.

eahaidar
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Hello
I just want to ask why do we bias the photodetector before starting any setup?
Thank you
 
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Can you be a little more specific? What kind of photodetector? What is it biased to?
 
So I am working in fiber optics and I will convert light signals to electric signals such that the PNA detects them before the PNA there is a photodetector just want to know why should I bias it before time
Thanks
 
I'm not very familiar with fiber optics. What kind of photodetector are you using?
 
Try starting with the WIKIPEDIA page for an inroduction.
http://en.wikipedia.org/wiki/Photodiode

Be sure to study it carefully, visit the "see also" entries, check out each "reference" that covers your specific interests, and don't ignore "external links". Here is just one of those:
http://www.hamamatsu.com/us/en/community/optical_sensors/tutorials/products/index.html
 
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