Free-Space Optical Data Receivers with Avalanche Detectors for Satellite Downlinks Regarding Background Light
Data receiving frontends using avalanche photodiodes are used in optical free-space communications for their effective sensitivity, large detection area, and uncomplex operation. Precise control of the high voltage necessary to trigger the avalanche effect inside the photodiode depends on the semico...
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| Format: | Article |
| Language: | English |
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MDPI AG
2022-09-01
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| Series: | Sensors |
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| Online Access: | https://www.mdpi.com/1424-8220/22/18/6773 |
| _version_ | 1797482685048815616 |
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| author | Dirk Giggenbach |
| author_facet | Dirk Giggenbach |
| author_sort | Dirk Giggenbach |
| collection | DOAJ |
| description | Data receiving frontends using avalanche photodiodes are used in optical free-space communications for their effective sensitivity, large detection area, and uncomplex operation. Precise control of the high voltage necessary to trigger the avalanche effect inside the photodiode depends on the semiconductor’s excess noise factor, temperature, received signal power, background light, and also the subsequent thermal noise behavior of the transimpedance amplifier. Several prerequisites must be regarded and are explained in this document. We focus on the application of using avalanche photodiodes as data receivers for the on/off-keying of modulated bit streams with a 50% duty cycle. Also, experimental verification of the performance of the receiver with background light is demonstrated. |
| first_indexed | 2024-03-09T22:36:03Z |
| format | Article |
| id | doaj.art-b20282fcabcf43bd82e8349583bbc44b |
| institution | Directory Open Access Journal |
| issn | 1424-8220 |
| language | English |
| last_indexed | 2024-03-09T22:36:03Z |
| publishDate | 2022-09-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Sensors |
| spelling | doaj.art-b20282fcabcf43bd82e8349583bbc44b2023-11-23T18:49:03ZengMDPI AGSensors1424-82202022-09-012218677310.3390/s22186773Free-Space Optical Data Receivers with Avalanche Detectors for Satellite Downlinks Regarding Background LightDirk Giggenbach0German Aerospace Center (DLR), D-82234 Wessling, GermanyData receiving frontends using avalanche photodiodes are used in optical free-space communications for their effective sensitivity, large detection area, and uncomplex operation. Precise control of the high voltage necessary to trigger the avalanche effect inside the photodiode depends on the semiconductor’s excess noise factor, temperature, received signal power, background light, and also the subsequent thermal noise behavior of the transimpedance amplifier. Several prerequisites must be regarded and are explained in this document. We focus on the application of using avalanche photodiodes as data receivers for the on/off-keying of modulated bit streams with a 50% duty cycle. Also, experimental verification of the performance of the receiver with background light is demonstrated.https://www.mdpi.com/1424-8220/22/18/6773optical avalanche photodiode receiver frontendRFEInGaAs-APDbias voltage controltemperature controlQ-factor |
| spellingShingle | Dirk Giggenbach Free-Space Optical Data Receivers with Avalanche Detectors for Satellite Downlinks Regarding Background Light Sensors optical avalanche photodiode receiver frontend RFE InGaAs-APD bias voltage control temperature control Q-factor |
| title | Free-Space Optical Data Receivers with Avalanche Detectors for Satellite Downlinks Regarding Background Light |
| title_full | Free-Space Optical Data Receivers with Avalanche Detectors for Satellite Downlinks Regarding Background Light |
| title_fullStr | Free-Space Optical Data Receivers with Avalanche Detectors for Satellite Downlinks Regarding Background Light |
| title_full_unstemmed | Free-Space Optical Data Receivers with Avalanche Detectors for Satellite Downlinks Regarding Background Light |
| title_short | Free-Space Optical Data Receivers with Avalanche Detectors for Satellite Downlinks Regarding Background Light |
| title_sort | free space optical data receivers with avalanche detectors for satellite downlinks regarding background light |
| topic | optical avalanche photodiode receiver frontend RFE InGaAs-APD bias voltage control temperature control Q-factor |
| url | https://www.mdpi.com/1424-8220/22/18/6773 |
| work_keys_str_mv | AT dirkgiggenbach freespaceopticaldatareceiverswithavalanchedetectorsforsatellitedownlinksregardingbackgroundlight |