D2547P18 参数 Datasheet PDF下载

Wavelength-Selected, High-Power D2587P-Type (with Wavelength

Locker)/D2547P-Type Isolated DFB Laser Modules

Data Sheet, Rev. 2

July 2001

Characteristics

(continued)

Minimum and maximum values are testing requirements. Typical values are device characteristics and are results

of engineering evaluations; they are for information purposes only and are not part of the testing requirements.

Table 4. D2547P-Type Electrical Characteristics

(at 25 °C laser temperature)

Parameter

Threshold Current

Drive Current

Laser Forward Voltage

Monitor Reverse-bias Voltage*

Back-facet Monitor Current:

Monitor Dark Current

Input Impedance

Thermistor Current

Resistance Ratio

†

Thermistor Resistance

Laser Submount Temperature

TEC Current

TEC Voltage

TEC Capacity

Symbol

I

TH

—

V

LF

V

RMON

I

RMON

I

D

Z

IN

I

TC

—

R

TH

T

LASER

I

TEC

V

TEC

∆T

Test Conditions

—

L

F

= 20 mW

L

F

= 20 mW (CW)

—

P

O

= 20 mW (CW)

I

F

= 0, V

RMON

= 5 V

—

—

—

T

L

= 25 °C

—

T

L

= 25 °C, T

C

= 70 °C

T

L

= 25 °C, T

C

= 70 °C

T

C

= 70 °C

Min

—

—

—

3

0.2

—

—

10

9.1

9.5

20

—

—

—

Typ

15

—

2

5

—

0.01

25

—

9.6

—

—

—

—

—

Max

40

165

2.5

10

—

0.1

—

100

10.1

10.5

35

1.7

2.8

50

Unit

mA

mA

V

V

mA

µA

Ω

µA

—

kΩ

°C

A

V

°C

* Standard operating condition is 5.0 V reverse bias.

† Ratio of thermistor resistance at 0 °C to thermistor resistance at 50 °C.

Table 5. D2547P-Type Optical Characteristics

(at 25 °C laser temperature)

Parameter

Peak Optical Output Power

Center Wavelength*

(See Ordering Information,

page 12.)

Line Width (3 dB full width)

Side-mode Suppression Ratio

Relative Intensity Noise

Optical Isolation

Optical Polarization Extinction

Ratio

†

FM Efficiency

Wavelength Drift (EOL)

Symbol

P

P

λ

C

Test Conditions

—

T

L

= T

SET

λ

C

=

λ

ITU

± 0.1 nm

CW, P

F

= 20.0 mW

CW

CW, P

F

= 20 mW

200 MHz < f < 10 GHz

T

C

= 0 °C to 75 °C

0 °C to 75 °C

f

MOD

= 30 kHz,

P

F

= 20 mW

Tested over

25-year lifetime

Min

20.0

1528.77

Typ

—

—

Max

—

1610.06

Unit

mW

nm

∆λ

SMSR

RIN

—

—

FM

∆λ

C

—

35

—

30

20

—

—

2

45

—

—

—

100

—

10

—

–135

—

—

—

±0.1

MHz

dB

dB/Hz

dB

dB

MHz/mA

nm

* Custom wavelengths available.

† The

ST

ferrule key is not aligned to slow axis of fiber. Connector is intended for testing purposes only.

6

Agere Systems Inc.