Parameter

Symbol

Min.

Typical

Max.

Unit

Notes

Wavelength

λC

1304.5

1311

1317.5

nm

Side mode suppression ratio

SMSR

30

-

-

dB

Average Optical Launch Power

POUT

-2.9

-

4

dBm

1

Average launch power of OFF transmitter

POUT_OFF

-

-

-15

dBm

Extinction Ratio

ER

3.5

-

-

dB

Outer Optical Modulation Amplitude (OMAouter)

OMAouter

-0.8

-

4.2

dBm

Launch power in OMAouter minus

OMAouter-TDECQ

TDECQ:

for extinction ratio≥5 dB

-2.2

-

-

dBm

for extinction ratio < 5 dB

-1.9

Transmitter and dispersion eye closure

TDECQ

-

-

3.4

dB

TDECQ – 10log10(Ceq)

CEQ

-

-

3.4

dB

RIN15.5OMA

RIN

-

-

-136

dB/Hz

Optical return loss tolerance

ORLT

-

-

15.5

dB

Transmitter transition time

-

-

17

ps

Transmitter reflectance

TR

-

-

-26

dB

Parameter

Symbol

Min.

Typical

Max.

Unit

Notes

Wavelength

λC

1304.5

1311

1317.5

nm

Damage Threshold

5

-

-

dBm

Average receive power

-5.9

-

4

dBm

1

Receive power (OMAouter)

RP

-

-

4.2

dBm

Receiver reflectance

RR

-

-

-26

dB

Receiver sensitivity (OMAouter)

RS

-

-

Max(-3.9, SECQ-5.3)

dBm

Stressed receiver sensitivity

SRS

-

-

-1.9

dBm

2

Stressed Receiver Sensitivity Test Conditions:

-

-

-

Part No.

Application

Data Rate

Laser Source

Fiber Type

LNK-QSFP28-DR1

100GBASE-DR

100GE (53.125 GBd)

1311nm EML

SMF