Parameter

Symbol

OPTICAL & ELECTRICAL CHARACTERISTICS (TL= Tset, Tc = 25°C, BOL, unless otherwise specified)

Unit

Limits

Max.

Type

Min.

Test Condition

Laser Set Temperature (BOL)

Tset

°C

35

15

-

Note (2)

Peak Wavelength

λp

Note (4)

RF Return Loss

S11

dB

8-

-

f=DC-5GHz, 50

Ω Test Set,

Vm=Vo, IF=Iop

RF Return Loss

S11

dB

5-

-

f=5-10GHz, 50

Ω Test Set,

Vm=Vo, IF=Iop

Cut-off Frequency

S21

GHz

10

-

-

-3dB bandwidth,

Vm=Vo-0.5|Vmod|, IF=Iop

Optical Output Power

(Avg. Power)

Pf

dBm

-

-2.0

-

Wavelength Drift (after 20 years)

-nm

0.1

-0.1

-

Wavelength Stability

with Case Temperature

-pm/

°C

±0.5

--

Dispersion Penalty

dP

dB

2

--

Note (1)

Sidemode Suppression Ratio

SSR

dB

-

35

-

Note (2)

Note (2)

Forward Voltage

VF

V

-

2.0

1.4

CW, IF=Iop, Vm=Vo

Optical Isolation

Is

dB

-

25

35

Tc=-20 to +70

°C

TEC Power Dissipation

Pc

W

3.3

--

IF=Iop

Thermal Resistance

Rth

k

Ω

10.5

9.5

10.0

TL=25°C , Tc=+25°C

Thermistor B Constant (Note 3)

BK

3,630

3,270

3,450

In-Band Ripple

∆G

dB

-

±1.0

-

IF=Iop, f=0.1-10GHz,

Vm=Vo-0.5|Vmod|

Threshold Current

Ith

mA

-30

-

CW, Vm=Vo

On Level Modulation

Vo

V

-0.7

0

-

-

Modulator Drive Voltage

Vmod

V

-

2.6

-

(Vo-Vmod)

≥-3.3V, Rext=10dB

Relative Intensity Noise

RIN

dB/Hz

-

-120

-

f=10 MHz to 8.5 GHz,

Vm=Vo, IF=Iop, 8% Reflection

Operating Current

Iop

mA

40

100

-

-

Monitor Current

Im

mA

0.04

1.5

-

Note (2), VDR=5V

Extinction Ratio

Rext

dB

-

-

10

f=10Gb/s, IF=Iop,

Vm=Vo/(Vo-Vmod)

Rise Time

Tr

ps

25

-20

Fall Time

Tf

ps

25

-20

Note (2), 20 to 80%

Note (1) Eudyna Test System

9.95328Gb/s, PRBS=2

23

-1, IF=Iop, Vm=Vo and (Vo-Vmod)

Dispersion=800ps/nm, Dispersion penalty at

Bit Error Rate = 1.0E-10

Note (2) Eudyna Test System

9.95328Gb/s, PRBS=2

23

-1, IF=Iop, Vm=Vo and (Vo-Vmod)

Note (3) Relation between resistance and temperature (

°K) is:

Rth (T) = Rth (25

°C)*exp[B(1/T-1/298)]

Note (4) Reference Figure 7 for Wavelength Table

TEC Capacity

∆T

°C

-

70-Tset

-

PTEC=3.3W, IF=Iop

TEC Current

Ic

A

1.3

--

IF=Iop, ∆T=(70-Tset)[°C]

TEC Voltage

Vc

V

2.5

--

IF=Iop, ∆T=(70-Tset)[°C]

2

FLD5F20NP-D

1,550nm Modulator

Integrated DFB Laser