Summary of State-of-the-Art IM / DD Link
Performance
Parameter
Direct
External
Wavelength (mm)
0.85, 1.3, 1.55
1.3, 1.55
Maximum Modulation
Frequency (GHz)
30
100
-5 to -35
-30 to +30
Link Gain (dB)
Noise Figure (dB)
20 to 60
4 to 30
IM-free Dynamic Range *
Standard (dB-Hz2/3)
100 to 114
112
Linearized (dB-Hz2/3)
120
130
10
* Assumed to be limited by 3rd-order distortion products