NX8571SC373-BA中文资料

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LASER DIODE

NX8571 Series

1 550 nm CW LIGHT SOURCE

InGaAsP MQW-DFB LASER DIODE MODULE

WITH WAVELENGTH MONITOR

DESCRIPTION

The NX8571 Series is a 1 550 nm Multiple Quantum Well (MQW) structured Distributed Feed-Back (DFB) laser diode module with wavelength monitor function. This device is temperature tunable over 4 × 50 GHz channels. Available at both C-band (1530.334 to 1565.087 nm) and L-band (1565.496 to 1608.760 nm) ITU-T grid wavelengths.

This device is designed as CW light source and ideal for transmission systems in which external modulators are used.

FEATURES

Wavelength monitor function (Etalon Filter, Wavelength monitor PD) Optical output power: Pf = 10 mW MIN.

Available for DWDM wavelengths based on ITU-T recommendations (50 GHz grid)

4-channel wavelength tunable capability for 50 GHz-spacing (NX8571S××××D)

Internal thermo-electric cooler and isolator Hermetically sealed 14-pin butterfly package Polarization maintain fiber pigtail

Document No. PL10136EJ03V0DS (3rd edition) Date Published June 2004 CP (K)

The mark shows major revised points.

© NEC Compound Semiconductor Devices, Ltd. 2002, 2004

PACKAGE DIMENSIONS (UNIT: mm)

OPTICAL FIBER CHARACTERISTICS

Outer Diameter

Minimum Fiber Bending Radius Fiber Length

0.9±25 1 000 MIN.

mm mm

2

Data Sheet PL10136EJ03V0DS

ABSOLUTE MAXIMUM RATINGS

Forward Current of LD Reverse Voltage of LD Forward Current of PD Reverse Voltage of PD Operating Case Temperature Storage Temperature Lead Soldering Temperature

IFVRIFVRTC Tstg Tsld

20 to +70 40 to +85 260 (10 sec.)

°C °C °C

ELECTRO-OPTICAL CHARACTERISTICS (TLD = Tset, TC = 5 to +70°C, unless otherwise specified)

Laser Set Temperature

Forward Voltage Threshold Current Operation Current

Optical Output Power from Fiber Peak Emission Wavelength Wevelength Stability

TsetSingle channel VF

4 channel tunable Pf = 10 mW

°C 10 0.9

1.2 70

45 2.5

V

IthIop Pf λp

Pf = 10 mW

125

mA

IF = 125 mA, TLD = TsetITU-T1 609 Pf = 10 mW, CW, TLD = TsetTLD = Tset, applicable to wavelength monitor, E.O.L

*1

nm

Spectral Line Width

Side Mode Suppression Ratio Relative Intensity Noise Optical Isolation

Polarization Extinction Ratio

*2

ν

SMSR RIN Is

Pf = 10 mW, CW, 3 dB down Pf = 10 mW, CW

Pf = 10 mW, 20 MHz to 3 GHz Pf = 10 mW, CW

35 30 20

1 45

2

MHz dB

dB dB

f = 10 mW, CW

*1 Available for DWDM wavelengths based on ITU-T recommendations (50 GHz grid).

Please refer to Table A.

*2 Polarization state of LD is aligned parallel to the slow axis.

Data Sheet PL10136EJ03V0DS

3

ELECTRO-OPTICAL CHARACTERISTICS (Applicable to Monitor PD: TLD = Tset, TC = 5 to +70°C)

Monitor Current (Pf Monitor) Monitor Current (λp Monitor) Operation Region

Discrimination SlopeDark Current Tracking Error

*1*1

Im (Pff = 10 mW, VR = 5 V

Im (λpf = 10 mW, VR = 5 V, Locking point Im (λ

20 10

200 100

µA µA

λ1 λ2 ηλ

ID γ

*2

µA/pm VR = 5 V Im = const.

2

10 0.5

nA dB

*1 Operation region, Discrimination slope, Slope assignment

µ

IImI1: ImIm (λpI2: ImImNegative Slope (Odd channel)

Im (λ)

ImI2: ImIm (λpI1: ImImPositive Slope (Even channel)

λ

*2 Tracking Error: γ

set

10Pf

, TC = –5 to +70 C

γPf10

[dB]

m

m

ELECTRO-OPTICAL CHARACTERISTICS

(Applicable to Thermistor and TEC: TLD = Tset, TC = 5 to +70°C)

Thermistor Resistance B Constant Cooler Current Cooler Voltage

R B IC VC

TLD = 25°k TLD = 25°C

3 350

3 450

3 550 1.5 3.0

K A V

T = 70 Tset, Pf = 10 mW T = 70 Tset, Pf = 10 mW

4

Data Sheet PL10136EJ03V0DS

ORDERING INFORMATION

NX8571SC-BA

With FC-PC connectorWithout: Single channelD: 4 channel tunableWavelength code : Refer to Table APackage code

Table A: DWDM wavelength base on ITU-T recommendations (@ TLD = Tset) (1/7)

Wavelength Code

4 channel tunable

ITU-T Wavelength

*1

*1 The value which omitted and computed the 3rd place below the decimal point

Data Sheet PL10136EJ03V0DS

5

Table A: DWDM wavelength base on ITU-T recommendations (@ TLD = Tset) (2/7)

Wavelength Code

4 channel tunable

ITU-T Wavelength

*1

*1 The value which omitted and computed the 3rd place below the decimal point

6

Data Sheet PL10136EJ03V0DS

Table A: DWDM wavelength base on ITU-T recommendations (@ TLD = Tset) (3/7)

Wavelength Code

4 channel tunable

ITU-T Wavelength

*1

*1 The value which omitted and computed the 3rd place below the decimal point

Data Sheet PL10136EJ03V0DS

7

Table A: DWDM wavelength base on ITU-T recommendations (@ TLD = Tset) (4/7)

Wavelength Code

4 channel tunable

ITU-T Wavelength

*1

*1 The value which omitted and computed the 3rd place below the decimal point

8

Data Sheet PL10136EJ03V0DS

Table A: DWDM wavelength base on ITU-T recommendations (@ TLD = Tset) (5/7)

Wavelength Code

4 channel tunable

ITU-T Wavelength

*1

*1 The value which omitted and computed the 3rd place below the decimal point

Data Sheet PL10136EJ03V0DS

9

Table A: DWDM wavelength base on ITU-T recommendations (@ TLD = Tset) (6/7)

Wavelength Code

4 channel tunable

ITU-T Wavelength

*1

*1 The value which omitted and computed the 3rd place below the decimal point

10

Data Sheet PL10136EJ03V0DS

Table A: DWDM wavelength base on ITU-T recommendations (@ TLD = Tset) (7/7)

Wavelength Code

4 channel tunable

ITU-T Wavelength

*1

*1 The value which omitted and computed the 3rd place below the decimal point

Data Sheet PL10136EJ03V0DS

11

TYPICAL CHARACTERISTICS (TLD = 25°C, unless otherwise specified)

SPECTRUM

0–10

OPTICAL OUTPUT POWER FROM FIBER, MONITOR CURRENT (Pf MONITOR) vs. FORWARD CURRENT

Optical Output Power from Fiber Pf (mW)

Pf

25.020.015.010.05.0

Im(Pf)

0.250.200.150.100.050200

–20–30–40–50–60–70–801 529.1

1 534.1

1 539.1

1 544.1

1 549.1

050100150

Wavelength λ (nm)Forward Current IF (mA)

THERMISTOR RESISTANCE vs.AMBIENT TEMPERATURE

Cooler Electric Power Consumption (W)

COOLER ELECTRIC POWER CONSUMPTION vs. LASER SET TEMPERATURE

4.03.53.02.52.01.51.00.50.010

15

20

25

30

35

TC = 70 C

Thermistor Resistance R (k )

Ambient Temperature TA ( C)Laser Set Temperature Tset ( C)

Monitor Current (Pf Monitor) Im(Pf) (mA)

30.00.30

Relative Intensity (dB)

Remark The graphs indicate nominal characteristics.

12

Data Sheet PL10136EJ03V0DS

Document Name

OPTICAL SEMICONDUCTOR DEVICES FOR FIBEROPTIC COMMUNICATIONS SELECTION GUIDE Opto-Electronics Devices Pamphlet

Data Sheet PL10136EJ03V0DS

Document No. PL10161E PX10160E

13

REFERENCE

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CEL certifies, to its knowledge, that semiconductor and laser products detailed below are compliant with the requirements of European Union (EU) Directive 2002/95/EC Restriction on Use of Hazardous Substances in electrical and electronic equipment (RoHS) and the requirements of EU Directive 2003/11/EC Restriction on Penta and Octa BDE.

CEL Pb-free products have the same base part number with a suffix added. The suffix –A indicates that the device is Pb-free. The –AZ suffix is used to designate devices containing Pb which are

exempted from the requirement of RoHS directive (*). In all cases the devices have Pb-free terminals. All devices with these suffixes meet the requirements of the RoHS directive.

This status is based on CEL’s understanding of the EU Directives and knowledge of the materials that go into its products as of the date of disclosure of this information.

Restricted Substance

per RoHS Lead (Pb) Mercury Cadmium

Hexavalent Chromium PBB PBDE

Concentration Limit per RoHS (values are not yet fixed)

< 1000 PPM < 1000 PPM < 100 PPM < 1000 PPM < 1000 PPM < 1000 PPM

Concentration contained

in CEL devices

Not Detected (*)

Not Detected Not Detected Not Detected Not Detected Not Detected

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standards, please do not hesitate to contact your local representative.

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