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Data Sheet

March 2003

E2561-Series 10 Gb/s EML Modules

for up to 80 km Transmission

TriQuint10 GbO/PsTLOaE2Ls5Ce6Tr1RMONoIdCSu,lIeNC®.

Features

■ Integrated electroabsorption modulator

■ 1.5 µm wavelength, full C-band

■ Characterized for 10 Gb/s operation

■ For use up to 80 km at 10 Gb/s

■ Low modulation voltage

■ Temperature stabilized

■ Wavelength selectable to ITU-T standards

■ Ultrastable wavelength aging for DWDM

Applications

■ SONET/SDH applications

■ Ultrahigh capacity WDM system application

■ High-speed data communication

■ Digitized video

Description

The E2561-series EMLs are designed for 10 Gb/s

DWDM or TDM transmission applications. The EML

integrates a CW laser with an electroabsorption modu-

lator in the same semiconductor chip. These devices

can replace external modulators that are often bulkier,

more expensive, and require more drive electronics

than the EML. The 10 Gb/s EML uses an SMP-type,

subminiature, push-on connector to handle the RF sig-

nal. The package also contains a thermoelectric cooler

(TEC), thermistor, rear-facet monitor photodiode, and

an optical isolator.

The nominal input impedance of the 10 Gb/s EML is

50 Ω. The package is qualified to the Telcordia Tech-

nologies ™ TA-TSY-000468 standard.

The EML is available in the full range of C-band

ITU-T wavelengths for use in DWDM systems operat-

ing at 10 Gb/s per channel. The device exhibits excel-

lent wavelength stability, supporting operation at

100 GHz channel spacing over 20 years (assuming an

end-of-life aging condition of <±100 pm). Typically,

external wavelength stabilization is not required in sys-

tems of this type, using TriQuint's EML products. The

package also offers excellent stability of wavelength vs.

case temperature, with a maximum coefficient of

±0.5 pm/°C.

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E2561-Series 10 Gb/s EML Modules

for up to 80 km Transmission

Data Sheet

March 2003

Module Characteristics

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Table 1. Module Characteristics

Parameter

Package Type

Fiber

Fiber Length

Connector

RF Input

Description

E2561: 7-pin package with SMP-type connector RF input.

Standard single-mode fiber.

32.7 inches minimum.

See Table 6 (additional connector types available on request).

Impedance 50 Ω.

Pin Information

Table 2. Pin Descriptions

Pin Number

Pin Name

THERM, LASER–, CASE

THERM

LASER+

BACK DET–

BACK DET+

TEC+

TEC–

Description

Combined thermistor/laser cathode/case

Thermistor

Laser anode

Monitor anode (–)

Monitor cathode (+)

Thermoelectric cooler (+)

Thermoelectric cooler (–)

Target Specifications

Absolute Maximum Ratings

Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are abso-

lute stress ratings only. Functional operation of the device is not implied at these or any other conditions in excess

of those given in the operational sections of the data sheet. Exposure to absolute maximum ratings for extended

periods can adversely affect device reliability.

Table 3. Absolute Maximum Ratings

Parameter

Laser Diode Reverse Voltage

Laser Diode Forward Current

Optical Output Power

Modulator Reverse Voltage

Modulator Forward Voltage

Monitor Diode Reverse Voltage

Monitor Diode Forward Voltage

Storage Temperature Range

Operating Temperature Range

Conditions

—

Min

—

–40

–5

Max

150

3.5

Unit

°C

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Data Sheet

March 2003

E2561-Series 10 Gb/s EML Modules

for up to 80 km Transmission

Target Specifications (continued)

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Characteristics

Minimum and maximum values specified over operating case temperature range. Typical values are measured at

room temperature unless otherwise noted.

Table 4. Optical and Electrical Specifications (Chip operating temp. = 15 °C to 35 °C, except where noted.)

Parameter

Threshold Current (BOL)

Forward Voltage

Operating Current

Threshold Power

Fiber Output Power (average)

Peak Wavelength

(Wavelength can be specified to

the ITU-T wavelength channels.)

Side-mode Suppression Ratio

Modulator Voltage

Onstate Voltage

Modulator/Driver

RF Extinction Ratio

RF Return Loss

(130 MHz to 10 GHz)

–3 dB Bandwidth

Rise/Fall Time (20%—80%)

Dispersion Penalty

Monitor Diode

Monitor Current

Dark Current

Capacitance

Thermistor

Resistance

Thermistor Current

Thermistor B Constant

Thermoelectric Cooler (TEC)

TEC Current

TEC Voltage

TEC Power

TEC Capacity

Optical Isolation

Package

Wavelength vs. Case Temperature

Symbol

ITH

IOP

PTH

PAVG

λPK

SMSR

VPP

VON

ERRF

S11

tR/tF

IBD

RTHERM

ITC

ITEC

VTEC

PTEC

∆T

—

dλ/dT

Conditions

—

IF = IOP @ TOP

—

IF = ITH

VM = 0 V

Note 1

VM = 0 V, IF = IOP, TOP

—

Notes 1, 4

VM = –1 V, IF = IOP

Note 5

1600 ps/nm, BER = 10–10

Notes 1, 2

VBD = 5 V, IF = IOP

VBD = 5 V

VBD = 5 V, F = 1 MHz

T = 25 °C

—

Note 3

TCASE = –10 °C to +70 °C

Min Max Unit

5 35 mA

— 2.2 V

50 100 mA

— 80 µW

–2 — dBm

1528.7 1563.9 nm

1.5

–1.0

—

— dB

2.5 V

— dB

-10 dB

— GHz

30 ps

2.0 dB

—

9.8

3700

—

–0.5

1100

0.1

µA

10.2

100

4100

kΩ

µA

—

1.1 A

2.6 V

2.9 W

—C

— dB

0.5 pm/°C

1. Modulated for 80 km (1600ps/nm) operation. Modulated operational values are defined to be I = IOP, T = TOP, at all specified operating

conditions, 9.95328 Gb/s modulation, 231 – 1 PRBS (operating parameters for 80 km will be provided). Laser diode temperature can be set

in a 15 °C to 35 °C range to take advantage of wavelength tuning, provided that it will meet all other specs at this preset temperature.

VM = modulator voltage.

2. Over 1600 ps/nm (80 km).

3. TCASE = 70 °C, TLASERCHIP = 15 °C to 35 °C.

4. With fourth-order Bessel-Thomson filter.

5. Without filter.

For additional information and latest specifications, see our website: www.triquint.com

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E2561-Series 10 Gb/s EML Modules

for up to 80 km Transmission

Data Sheet

March 2003

Outline Diagram

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Dimensions are in inches and (millimeters).

0.020

(0.51)

0.500

(12.7)

MIN.

LEAD 7

0.500 0.350

(12.7) (8.89)

0.100

(2.54)

0.291

(7.38)

LEAD 1

0.215

(5.46)

0.010 ± 0.002

(0.25 ± 0.064)

TRADEMARK, CODE, LASER SERIAL NUMBER

AND DATE CODE LABEL IN AREA SHOWN

BEND LIMITER

0.180

(4.56)

0.365

(9.27)

0.56

(1.42)

0.164

(4.17)

1.025

(26.04)

0.498

(12.64)

0.078

(1.98)

0.190

(4.82)

0.330

(8.37)

∅ 0.106

(2.7)

4 PLACES

0.820

(20.83)

2.03

(51.60)

32.7

(830.6)

MIN.

0.98

(2.5)

1.180

(29.97)

0.228

0.030 (5.78)

(0.75)

0.215

(5.47)

0.200

(5.08)

0.260

(6.6)

CONNECTOR TYPE

AS SPECIFIED

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Data Sheet

March 2003

E2561-Series 10 Gb/s EML Modules

for up to 80 km Transmission

Laser Safety Information

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Class IIIb Laser Product

FDA/CDRH Class IIIb laser product. All versions are Class IIIb laser products per CDRH, 21 CFR 1040 Laser

Safety requirements. All versions are classified Class 3B laser products consistent with IEC ® 60825-1: 1993. This

device family has been classified with the FDA under accession number 8720010. Measurements were made to

classify the product per IEC60825-1: 1993.

This product complies with 21 CFR 1040.10 and 1040.11.

8.8/125 µm single-mode fiber pigtail and connector.

Wavelength = 1.5 µm

Maximum power = 10 mW.

Because of size constraints, laser safety labeling (including an FDA Class IIIb label) is not affixed to the module but

attached to the outside of the shipping carton.

Product is not shipped with power supply.

Caution: Use of controls, adjustments, and procedures other than those specified herein may result in

hazardous laser radiation exposure.

DANGER

INVISIBLE LASER RADIATION

IS EMITTED FROM THE END

OF FIBER OR CONNECTOR

Avoid direct exposure to beam

Do not view beam directly with

optical instruments

INVISIBLE LASER RADIATION EMITTED FROM END OF FIBER OR CONNECTOR

Avoid exposure to beam

Class IIIb Laser Product per CDRH, 21 CFR 1040 Max. Output: 10 mW Wavelength: 1.5 µm

Electrostatic Discharge

CAUTION: This device is susceptible to damage as a result of electrostatic discharge. Take proper precau-

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

(Dec. 1988).

TriQuint employs a human-body model (HBM) for ESD-susceptibility testing and protection-design evaluation.

ESD voltage thresholds are dependent on the critical parameters used to define the model. A standard HBM

(resistance = 1.5 kΩ, capacitance = 100 pF) is widely used and can be used for comparison purposes.

For additional information and latest specifications, see our website: www.triquint.com