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Compare between edge emitter and surface emitter LED
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| written 7.0 years ago by | • modified 7.0 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% |