Difference between revisions of "Homodyne"
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* change pin order | * change pin order | ||
* distance between holes for screws is unequal (54.11mm and 52.94mm) | * distance between holes for screws is unequal (54.11mm and 52.94mm) | ||
| + | * change photodetector holder to have hole and post | ||
{| class="wikitable" | {| class="wikitable" | ||
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Revision as of 11:05, 28 October 2019
Contents
Detectors- Kazan
Improvements:
- larger ground holes(viases)
- PD case to ground
- small capacitors to 1206 case
- label cathode and anode
- change pin order
- distance between holes for screws is unequal (54.11mm and 52.94mm)
- change photodetector holder to have hole and post
| PWR [mW], | #1 | #2 | #3 | #4 | #5 | #6 |
|---|---|---|---|---|---|---|
| 2 | 19.2 | 21.4 | 19.4 | 26.8 | 19.6 | 22 |
| 1.75 | 19.2 | 21.4 | 19.4 | 23.2 | 19.6 | 22 |
| 1.5 | 16.3 | 18.4 | 16.2 | 21 | 16.8 | 18.6 |
| 1.25 | 14.5 | 16.5 | 13.6 | 18.4 | 14.7 | 16.8 |
| 1 | 12.55 | 14.4 | 11.8 | 14.8 | 12.5 | 14.5 |
| 0.75 | 10.2 | 11.4 | 9.55 | 11.8 | 10.2 | 11 |
| 0.5 | 7.35 | 8.3 | 7 | 7.5 | 7.1 | 7.76 |
| 0.25 | 3.5 | 4 | 3.04 | 3.05 | 2.95 | 3.7 |
Shot noise and thermal noise
Shot noise accompanies a flow of electric current. Any resistor at any given temperature emits thermal noise. Amplification is a nonequilibrium process, and thus amplification involves noise sources other than thermal sources.[1]
Homodyne schematic
Heterodyne detection
Main aspects of homodyne detection.
References
- ↑ Hermann Haus, Electromagnetic noise and quantum optical measurements, (/Cold Atoms/Books)
- ↑ Hermann Haus, Electromagnetic noise ans quantum optical measurements, (New York: Academic Press, 2005), 23-5.
- ↑ Hermann Haus, Electromagnetic noise ans quantum optical measurements, (New York: Academic Press, 2005), 23-5.
