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PRELIMINARY DATA SHEET

NEC's EA MODULATOR

AND WAVELENGTH MONITOR

INTEGRATED 1550 nm

MQW-DFB LASER DIODE MODULE

FOR 10 Gb/s APPLICATIONS

FEATURES

•

INTEGRATED ELECTRO-ABSORPTION MODULATOR

•

WAVELENGTH MONITOR FUNCTION

• 10 Gb/s TRANSMISSION UP TO 40 KM SSMF

• 7-PIN BUTTERFLY PACKAGE WITH GPO CONNECTOR

• AVAILABLE FOR DWDM WAVELENGTH

BASED ON ITU-T RECOMMENDATION

NX8560SJ

Series

DESCRIPTION

NEC's NX8560SJ Series is an Electro-Absorption (EA) Modu-

lator and wavelength monitor intergraded, 1550 nm Multiple

Quantum Well (MQW) structured Distributed Feed-Back (DFB)

laser diode module. It is capable of transmitting up to 40 km

standard single mode

ber (dispersion: 800 ps/nm) for 10 Gb/s

applications with built in wavelength monitor.

ELECTRO-OPTICAL CHARACTERISTICS

= T

SET

, T

= -5 + 70°C, BOL unless otherwise speciÞed)

PART NUMBER

SYMBOLS

SET

CENTER

MOD

FLD

SMSR

PARAMETERS AND CONDITIONS

Laser Set Temperature

Operating Current

Modulation Center Voltage

Modulation Voltage

Forward Voltage of LD, I

FLD

= I

Threshold Current

Optical Output from Fiber, Under modulation

Peak Emission Wavelength, I

FLD

= I

, V

= 0 V, T

= T

SET

Side Mode Suppression Ratio, I

FLD

= I

, V

= 0 V

Extinction Ratio, Under modulation

Rise Time, 20-80%, Under modulation

Fall Time, 80-20%, Under modulation

Dispersion Penalty, 800 ps/nm under modulation

2, 4

Optical Isolation

RF Return Loss,

FLD

= I

, V

= 1 V, 50

Ω,

f = 130 MHz to 5 GHz

FLD

= I

, V

= 1 V, 50

Ω,

f = 5 GHz to 10 GHz

NX8560SJ Series

UNITS

°C

dBm

-10

-8

-5

-3

1528

-2

ITU-T

> 37

2.0

1564

MIN

-2.0

TYP

MAX

-0.5

2.0

Note:

1. T

SET

is a certain point between 20°C and 35°C for ITU-T grid wavelength.

2. 40 km SMF under modulation, 9.95328 GB/S, PRBS 2

23_1

, V

= V

CENTER

± 1/2V

MOD

, I

FLD

= I

, NEC Test System

center

: a certain point between -2.0 V and -0.5 V.

mod

: a certain point 3 V or below.

: a certain point between 50 mA and 80 mA.

3. Available for DWDM wavelength based on ITU-T recommendations (50 GHz grid). Please refer to ordering information.

4. BER = 10

-10

California Eastern Laboratories

NX8560SJ Series

ELECTRO-OPTICAL CHARACTERISTICS

(Applicable to Monitor PD: T

= T

SET

, T

= -5 to +70°C, BOL)

PART NUMBER

SYMBOLS

)

(λ

)

(λ)

|λ

Discrimination Slope, V

RPD

= 5V, I

FLD

= I

OP,

Locking point

Dark Current, V

RPD

= 5 V, V

= 0 V

Terminal Capacitance, V

RPD

= 5 V, f = 1 Mhz

Tracking Error, I

= const.

PARAMETERS AND CONDITIONS

Monitor Current, V

RPD

= 5V, I

FLD

= I

Monitor Current, V

RPD

= 5V, I

FLD

= I

OP,

Locking point

Operation Region

UNITS

µA

µA/pm

MIN

0.24

0.5

NX8560SJ-CC

TYP

MAX

200

100

Note:

1. Operation region, Discrimination slope, Slope assignment.

– I

–

@ 100%

@ 75%

Operation region

Locking Point

@ 100%

@ 75%

Operation region

Locking Point

(λ

)

(λ

)

@ 25%

@ 0%

(nm)

@ 25%

@ 0%

(nm)

Negative Slope

Positive Slope

2. Tracking Error:

(mW)

= T

set

, T

= 25 ºC

= T

set

, T

= –20 to 70 ºC

= 10 log

[dB]

ELECTRO-OPTICAL CHARACTERISTICS

(Applicable to Thermistor and TEC: T

= -5

PART NUMBER

SYMBOLS

PARAMETERS AND CONDITIONS

Thermistor Resistance, T

= 25°C

B Constant

Cooler Current, T

= T

set

Cooler Voltage, T

= T

set

UNITS

kΩ

MIN

9.5

3350

to +70°C)

NX8560SJ Series

TYP

10.0

3450

MAX

10.5

3550

1.2

2.4

NX8560SJ Series

ABSOLUTE MAXIMUM RATINGS

= 25°C, unless otherwise speciÞed)

SYMBOLS

FLD

RLD

VFm

VRm

FPD

RPD

STG

SLD

PARAMETERS

Optical Output from Fiber

Forward Current of LD

Reverse Voltage of LD

Forward Voltage of Modulator

Reverse Voltage of Modulator

Forward Current of PD

Reverse Voltage of PD

Cooler Current

Cooler Voltage

Operating Case Temperature

Storage Temperature

Lead Soldering

Temperature (3 s)

UNITS

°C

RATINGS

150

2.0

1.5

2.5

-5 to +70

-40 to +85

350

Note:

1. Operation in excess of any one of these parameters may result

in permanent damage.

NX8560SJ Series

ORDERING INFORMATION

NX8560SJ

CC: SC-UPC connector

BC: FC-UPC connector (option)

Wavelength code: Refer to Table A

TABLE A: DWDM wavelengths based on ITU-T recommendations (@ TLD = Tset)

Wavelength Code

287

291

295

299

303

307

311

315

318

322

326

330

334

338

342

346

350

354

358

362

366

370

373

377

381

385

389

393

397

401

405

409

413

417

421

425

429

433

437

441

445

449

453

ITU-T Wavelength

(nm)

1528.773

1529.163

1529.553

1530.334

1530.725

1531.116

1531.507

1531.898

1532.290

1532.681

1533.073

1533.465

1533.073

1534.250

1534.643

1535.036

1535.429

1535.822

1536.216

1536.643

1537.003

1537.397

1537.792

1538.186

1538.581

1538.976

1539.371

1539.766

1540.162

1540.557

1540.953

1541.349

1541.746

1542.142

1542.539

1542.936

1543.333

1543.730

1544.128

1544.526

1544.924

1545.322

Frequency

(THz)

196.10

196.05

196.00

195.95

195.90

195.85

195.80

195.75

195.70

195.65

195.60

195.55

195.50

195.45

195.40

195.35

195.30

195.25

195.20

195.15

195.10

195.05

195.00

194.95

194.90

194.85

194.80

194.75

194.70

194.65

194.60

194.55

194.50

194.45

194.40

194.35

194.30

194.25

194.20

194.15

194.10

194.05

194.00

Wavelength Code

457

461

465

469

473

477

485

489

493

497

501

505

509

513

517

521

525

529

533

537

541

545

549

553

557

561

565

569

573

577

581

585

589

593

597

602

606

610

614

618

622

626

630

ITU-T Wavelength

(nm)

1545.720

1546.119

1546.518

1546.917

1547.316

1547.715

1548.515

1548.915

1549.315

1549.715

1550.116

1550.517

1550.918

1551.319

1551.721

1552.122

1552.524

1552.926

1553.329

1553.731

1554.134

1554.537

1554.940

1555.343

1555.747

1556.151

1556.555

1556.959

1557.363

1557.768

1558.173

1558.578

1558.983

1559.389

1559.794

1560.200

1560.606

1561.013

1561.419

1561.826

1562.233

1562.640

1563.047

Frequency

(THz)

193.95

193.90

193.85

193.80

193.70

193.60

193.55

193.50

193.45

193.40

193.35

193.30

193.25

193.20

193.15

193.10

193.05

193.00

192.95

192.90

192.85

192.80

192.75

192.70

192.65

192.60

192.55

192.50

192.45

192.40

192.30

192.25

192.20

192.15

192.10

192.05

192.00

191.95

191.90

191.85

191.80

Note:

monitor slope: Channel frequency for 191.80 THz + 2n × 0.05 THz is assigned on negative slope.

Channel frequency for 191.80 THz + (2n + 1) × 0.05 THz is assigned on positive slope.

n is a positive integer including zero.

NX8560SJ Series

OUTLINE DIMENSIONS

(Units in mm)

15.24

2.54

4 -

φ2.67

10 MIN 1.25

8.89±0.13

22.0 MAX

0.9

6.0

12.7±0.15

5.4

Cooler

PD (P

)

Thermistor

PD (λ

)

MOD

4.83

20.83±0.13

26.04±0.13

Optical Fiber (SMF)

Length : 900 MIN

8.0

5.08

PIN CONNECTIONS

PIN No.

FUNCTION

PD (λ

) Anode (-)

THERMISTOR

LD DC Bias (+)

PD (Pf) ANODE (-)

PD (λ

) AND

PD (Pf) CATHODE (+)

COOLER (+)

COOLER (-)

0.75

30.0

OPTICAL FIBER CHARACTERISTICS

PARAMETER

Mode Field Diameter

Cladding Diameter

Tight Buffer Diameter

Cut-off Wavelength

Attenuation 1525 to 1575

Minimum Fiber Bending Radius

Fiber Length

Flammability

UNITS SPECIFICATIONS

µm

9.3±0.5

µm

125±1

µm

900±100

<1270

dB/km

<0.3

900 MIN

UL1581 VW-1

35±2 mm

8.99±0.5 mm

-CC : SC-UPC Connector

-BC : FC-UPC Connector

Fiber Length: 900 mm MIN.

Life Support Applications

These NEC products are not intended for use in life support devices, appliances, or systems where the malfunction of these products can reasonably be expected

to result in personal injury. The customers of CEL using or selling these products for use in such applications do so at their own risk and agree to fully indemnify

CEL for all damages resulting from such improper use or sale.

07/29/2003

A Business Partner of NEC Compound Semiconductor Devices, Ltd.