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D2587P881

Wavelength-Selected High-Power D2587P-Type (with Wavelength Locker)/D2547P-Type Isolated DFB Laser Modules

Agere -> LSI Corporation 

Data Sheet, Rev. 2

July 2001

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

Locker)/D2547P-Type Isolated DFB Laser Modules

Characteristics

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 2. D2587-Type Electrical Characteristics (at 25 °C laser temperature)

Parameter

Threshold Current

Drive Current

Laser Forward Voltage

Monitor Reverse-bias Voltage*

Monitor Current:

Back-facet Monitor

λ Photodiode 1

λ Photodiode 2

Monitor Dark Current

Input Impedance

Filter Slope

Frequency Capture Range

Thermistor Current

Resistance Ratio†

Thermistor Resistance

Laser Submount Temperature

TEC Current

TEC Voltage

TEC Capacity

Symbol

ITH

—

VLF

VRMON

IRMON

IλPD1

IλPD2

ID

ZIN

—

—

ITC

—

RTH

TSET

ITEC

VTEC

∆T

Test Conditions

—

LF = 20 mW

LF = 20 mW (CW)

—

PO = 20 mW (CW)

IF = 0, VRMON = 5 V

—

—

Measured from λITU

toward increasing λ and

decreasing λ

—

—

TL = 25 °C

—

TL = 25 °C, TC = 70 °C

TL = 25 °C, TC = 70 °C

TC = 70 °C

* Standard operating condition is 5.0 V reverse bias.

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

Min

—

—

—

3

0.003

0.003

0.003

—

—

0.5

15

10

9.1

9.5

20

—

—

—

Typ

15

—

2

5

—

—

—

0.01

25

—

—

—

9.6

—

—

—

—

Max

40

165

2.5

10

0.06

0.06

0.06

0.1

—

8

—

100

10.1

10.5

35

1.7

2.8

50

Unit

mA

mA

V

V

mA

mA

mA

µA

Ω

/nm

GHz

µA

—

kΩ

°C

A

V

°C

Table 3. D2587-Type Optical Characteristics (at 25 °C laser temperature)

Parameter

Symbol Test Conditions

Min Typ Max

Unit

Peak Optical Output Power

PP

—

20.0 —

—

mW

Center Wavelength*

λC

(See Ordering Information, page 9.)

TL = TSET

1528.77 — 1610.06 nm

λC = λITU ± 0.1 nm

Line Width (3 dB full width)

∆λ

CW, PF = 20.0 mW

—

2

10

MHz

Side-mode Suppression Ratio

SMSR

CW

35

45

—

dB

Relative Intensity Noise

RIN

CW, PF = 20 mW

—

200 MHz < f < 10 GHz

— –135 dB/Hz

Optical Isolation

—

TC = 0 °C to 75 °C

30

—

—

dB

Optical Polarization Extinction Ratio†

—

0 °C to 75 °C

20

—

—

dB

FM Efficiency

FM

fMOD = 30 kHz,

PF = 20 mW

— 100 — MHz/mA

Wavelength Drift (EOL)

∆λC

Tested over

25-year lifetime

—

— ±2.5

GHz

* Custom wavelengths available.

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

Agere Systems Inc.

5

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