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Compare between edge emitter and surface emitter LED
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written 5.8 years ago by | • modified 5.8 years ago |
SR.No. | Surface emitter LED | Edge emitter LED |
---|---|---|
1. | Easy to fabricate | Difficult to fabricate |
2. | Easy to mount and handle | Difficult to mount and handle |
3. | Require less critical tolerances | Need critical tolerance on fabrication |
4. | Less Reliable | Highly reliable |
5. | Low system performance | High system performance |
6. | Less modulation Bandwidth | Better Modulation, Bandwidth of the order of hundreds of MHz |
7. | Couple less optical power into low NA fiber | Couple more optical power into low NA fiber |
8. | Light is emitted from the surface of active Layer | Light is emitted from edge of active Layer |
9. | Wider spectral width | Narrow spectral width |
10. | Maximum quantum efficiency is up to 60% | Internal quantum efficiency is in the range of 60% to 80% |