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108030941

2.5 Gbits/s Electroabsorption Modulated Isolated Laser Module (EM-ILM) for Ultralong-Reach Applications

Agere -> LSI Corporation 

E2500-Type 2.5 Gbits/s Electroabsorption Modulated

Isolated Laser Module (EM-ILM)

Data Sheet, Rev. 1

September 2001

Characteristics (continued)

Table 2. Optical and Electrical Specifications (continued)

Parameter

Symbol

Conditions

Min Max Unit

Modulator

Extinction Ratio

RF Return Loss (0 GHz to 2 GHz)

RF Return Loss (2 GHz to 3 GHz)

RF Return Loss (3 GHz to 5 GHz)

–3 dB Bandwidth

Modulator Current @ VM = 0 V, If = 50 mA

Rise/Fall Time (20% to 80%)

Monitor Diode

Monitor Current

Dark Current

Capacitance

Thermistor

Resistance

Thermistor Current

Thermistor B Constant

Thermoelectric Cooler

TEC Current

TEC Voltage

TEC Power

TEC Capacity

Laser Module

Optical Isolation

ERRF

S11

S11

S11

BW

—

tR/tF

IBD

ID

C

RTHERM

ITC

B

ITEC

VTEC

PTEC

∆T

—

VM = 0 V to –3.0 V, 2.5 Gbits/s

VM = –VPP/2

If = IOP

VM = –VPP/2

If = IOP

VM = –VPP/2

If = IOP

VM = –VPP/2

If = IOP

—

—

TLASER CHIP = TOP

VBD = 5 V, If = IOP

TLASER CHIP = TOP , VBD = –5 V

VBD = 5 V, f = 1 MHz

T = 25 °C

—

—

TLASER CHIP = 15 °C

TCASE = 70 °C

TLASER CHIP = 15 °C

TCASE = 70 °C

TLASER CHIP = 15 °C

TCASE = 70 °C

TCASE = 70 °C

TCASE = 0 °C to 65 °C

10 — dB

10 — dB

7 — dB

3 — dB

3.5 — GHz

— 15 mA

— 125 ps

40 1100 µA

— 0.1 µA

— 25 pF

9.5 10.5 kΩ

10 100 µA

3700 4100 —

— 1.3 A

— 2.6 V

— 3.0 W

* — °C

30 — dB

* Operation at a DT of 70 °C – TSET is guaranteed, where TSET is the laser temperature required to achieve the required ITU wavelength,

over life, in a DWDM system (TSET range is 15 °C to 35 °C). In a non-WDM application, TSET is 25 °C.

4

Agere Systems Inc.

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