1310nm DFB 20mW Butterfly laser module

Parameter

Symbol

Condition

Limits

Unit

Min.

Typ.

Max.

Threshold Current

Ith

CW

-

10

20

mA

Operating Current

Iop

CW

-

55

80

mA

Operating Voltage

Vop

CW,If=Iop

-

1.3

1.8

V

Output Power from Fiber End

Pf

CW,If=Iop

4

20

mW

Central Wavelength

λc

CW,If=Iop

1290

1310

1330

nm

Side Mode Suppression Ratio

SMSR

CW,If=Iop

30

35

-

dB

Cut-off Frequency

Fc(3dB)

If=Iop,OpticalModulation,

2

GHz

Carrier to Noise Ratio

CNR

Index=3.2%/channel

(minimum),

78um moduleated carries(55.25 to 547.25MHz),10Km singlemode fiber,0dBm received power, Receiver responsivity=0.86A/W

50

-

dB

Composite Second order

CSO

-

-

-55

dBc

Composite Tiple Beat

CTB

-

-

-65

dBc

RIN

Nr

CW,If=Iop,f=45~600MH_Z,

Optical reflection=40dB(no long-haul fiber is used in the measurement)

-

-

-155

dB/H_z

Tracking Error

Er

Tc=-20~65°C, APC,ATC

-

-

0.5

dB

Monitor Current

Imon

CW,If=Iop,Vrd=5V

0.1

-

3

mA

Dark Current (MPD)

Id

V_rd=5V

-

-

500

nA

Isolation

Iso

Tc=0~65°C

25

35

-

dB

Thermistor Resistance

Rth

Tld=25°C

9.5

10

10.5

KΩ

TEC Current

I_TEC

ΔT=40K

-

-

1

A

TEC Voltage

V_TEC

ΔT=40k

-

-

2

V