Hybrid Silicon Photonics for Low-Cost High-Bandwidth Link Applications

Table 1

Loss budget estimation for a 2 km transmission link.

Source of loss	10 × 10 Gbps DFB
Laser chip power	6 dBm
To Mux	−3
In Mux	−6.5
Mux to fiber	−1.5
Fiber to DeMux	−1.5
DeMux	−4
DeMux to PD	−0.5
Maximum fiber loss (2 km)	−2
Signal quality (CDP/PMD)	−2
Power to detector	−15 dbm
Detector sensitivity	−17 dbm
Margin	2 db