Data Sheet

October 2000

D370-Type Digital Uncooled Laser Module

3

Agere Sysems Inc.

Handling Precautions

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

cautions during both handling and testing. Follow guidelines such as JEDEC Publication No. 108-

A (Dec. 1988).

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

Electrical/Optical Characteristics

* Higher and lower powers available. See Table 4 for more information.

† 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.

Table 2. Electrical/Optical Characteristics (over operating temperature range unless otherwise noted)

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

Operating Temperature

Range

T

—

–40

—

85

°C

Optical Output Power*

CW, nominal

—

1

—

mW

Threshold Current

T = 25

°C

T = full range

4.5

1

9

—

15

45

mA

mA

Modulation Current

°C

T = full range

10

8

15

—

20

35

mA

mA

SE

°C

50

75

100

µW/mA

Center Wavelength

1270

—

1350

nm

RMS Spectral Width

∆λ

—

2

3

nm

Tracking Error

TE

—

0.5

±1dB

Spontaneous Emission

—

—

50

µW

Rise/Fall Times

10%—90% pulse, T = 25

°C

—

0.25

0.5

ns

Forward Voltage

CW

—

1.1

1.6

V

Input Impedance

R

—

3

—

8

Ω

Monitor Current

150

—

750

µA

Monitor Dark Current

—

10

200

nA

WavelengthTemperature

Coefficient

—

—

—

0.4

0.5

nm/

°C