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D572-22BS

D572-Type 1.5 µm Uncooled DFB FastLight ™ Laser Module for 2.5 Gbits/s and High Bandwidth Applications

Agere -> LSI Corporation 

Advance Data Sheet

February 2000

D572-Type 1.5 µm Uncooled DFB FastLight Laser Module

for 2.5 Gbits/s and High-Bandwidth Applications

Handling Precautions

CAUTION: This device is susceptible to damage as a result of electrostatic discharge (ESD). Take proper

precautions during both handling and testing. Follow EIA * Standard EIA-625.

Although protection circuitry is designed into the device, take proper precautions to avoid exposure to ESD.

* EIA is a registered trademark of Electronic Industries Association.

Electro-Optical Characteristics

Table 2. Electro-Optical Characteristics (over operating temperature range unless otherwise noted)

Parameter

Operating Temperature

Range

Optical Output Power

Threshold Current

Modulation Current

Symbol

T

PF

ITH

IMOD

Slope Efficiency2

Center Wavelength3

Spectral Width (–20 dB)

Side-mode Suppression

Ratio

Tracking Error

SE

λC

∆λ

SMSR

TE

Test Conditions

—

CW, peak

T = 25 °C

T = full range

CW, PF = 2.0 mW, T = 25 °C

CW, IMON = constant,

T = full range

CW, PF = 2.0 mW, T = 25 °C

PF = 2.0 mW, CW

PF = 2.0 mW

CW, PF = 2.0 mW

IMON = constant, CW

Min Typ Max

–25

—

70

—

2

—

5

11

15

2

—

60

15

25

35

7.5

—

601

57

1530

—

30

—

1550

—

40

133

1570

1

—

—

—

1.5

Unit

°C

mW

mA

mA

mA

mA

µW/mA

nm

nm

dB

dB

Spontaneous Emission

Rise/Fall Times

Dispersion Penalty

Optical Return Loss

Forward Voltage

Input Impedance

Monitor Current

Monitor Dark Current

Wavelength Tempera-

ture Coefficient

PTH

tR, tF

DP

ORL

VF

R

IMON

ID

—

I = (0.9) ITH

10%—90% pulse4, T = 25 °C

1200 ps/nm—1600 ps/nm;

typical, 1350 ps/nm

CW

At bias coil

—

VR5 = 5 V

VR5= 5 V

—

—

—

100

µW

— 0.125 0.175 ns

—

—

2.0

dB

18

—

—

dB

—

1.0

1.6

V

—

25

—

Ω

100

—

1000

µA

—

10

200

nA

—

0.09 0.12 nm/°C

1. BOL value; EOL = 80 mA.

2. The slope efficiency is used to calculate the modulation current for a desired output power. This modulation current plus the threshold current

comprise the total operating current for the device.

3 1510 nm wavelength also available.

4. Corrected for electrical pulse fall time.

5. VR = reverse voltage.

Lucent Technologies Inc.

3

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