Ayer Labs

Luxtera [16]

IBM (now GF) [17]

IHP [18]

Oracle [3]

Technology

 Availability

High-volume

Medium-volume

High-volume

Medium-volume

Medium-volume

 CMOS Node

45 nm SOI CMOS

130 nm SOI CMOS

90 nm SOI CMOS

250 nm BiCMOS

130 nm SOI CMOS

 NFET fT

485 GHz

140 GHz

190 GHz

190 GHz

140 GHz

 Wavelength

1290 nm

1550 nm

1310 nm

1550 nm

1550 nm

Photonics Performances

 Waveguide Loss

3.7 dB/cm

1 dB/cm

2.5 dB/cm

2.4 dB/cm

3 dB/cm

 Couplers Loss

1.5 dB (2.5 dB Pigtailed)

1.5 dB

2.5 dB

1.5 dB

5.5 dB

 Modulator Device

Ring-resonator

MZM

MZM

MZM

Ring-resonator

 Modulator Bandwidth

13 GHz

N/R

21 GHz

< 7.5 GHz

15 GHz

 PD Responsivity

0.5 A/W

0.6 A/W

0.5 A/W

0.8 A/W

0.8 A/W

 PD Bandwidth

5 GHz

20 GHz

15 GHz

31 GHz

17.6 GHz

System Performances

 Transmitter Data-rate

40 Gb/s

10 Gb/s

25 Gb/s

10 Gb/s

25 Gb/s

 Extinction Ratio (Insertion Loss)

3 dB (4.7 dB)

4 dB (N/R)

6.3 dB (5 dB)

8 dB (13 dB)

6.9 dB (5 dB)

 Transmitter Energy *

0.04 pJ/b

57.5 pJ/b

10.8 pJ/b

83 pJ/b

7.2 pJ/b

 Receiver Data-rate

12 Gb/s

10 Gb/s

25 Gb/s

40 Gb/s 25 Gb/s

 Receiver Sensitivity

8.6 µApp

6 µApp

250 µA

200 µA

200 µA

 Receiver Energy

0.36 pJ/b †

8 pJ/b

3.8 pJ/b

6.9 pJ/b

1.9 pJ/b

N/R = Not Reported

*

Modulator and driver energy efficiency