NX8570SC350-BA - California Eastern Laboratories / NEC

1550 nm CW LIGHT

SOURCE InGaAsP MQW-DFB

LASER DIODE MODULE

WITH WAVELENGTH MONITOR

NX8570SA

NX8570SC

FEATURES

•WAVELENGTH MONITOR FUNCTION

(Etalon Filter, Wavelength monitor PD)

•OUTPUT POWER:

Pf = 20 mW MIN

•WAVELENGTH SELECTABLE FOR ITU-T STANDARDS

(50 GHz Grid)

•INTERNAL THERMOELECTRIC COOLER AND

ISOLATOR

•INDUSTRY STANDARD HERMETICALLY SEALED

14-PIN BUTTERFLY PACKAGE

•POLARIZATION MAINTAIN FIBER PIGTAIL

The NX8570SA and NX8570SC are 1550 nm Multiple Quan-

tum Well (MQW) structured Distributed Feed-Back laser diode

with wavelength monitor function. This device is designed as

a CW light source and is ideal for transmission systems in

which external modulators are used.

DESCRIPTION

California Eastern Laboratories

PART NUMBER NX8570SA, NX8570SC

SYMBOLS PARAMETERS AND CONDITIONS UNITS MIN TYP MAX

TSET Laser Set Temperature °C20 35

VFForward Voltage, Pf = 20 mW V 0.9 2.5

ITH Threshold Current mA 20 40

PfOptical Output Power from Fiber, IF = 167 mA, TLD = TSET mW 20

PTH Threshold Output Power from Fiber, IF = ITH µW100

λpPeak Emission Wavelength, Pf = 20 mW, CW, TLD = TSET nm 1530 ITU-T11566

Wavelength Stability, TLD = TSET,

applicable to wavelength monitor, E.O.L. pm -20 +20

∆vSpectral Line Width, Pf = 20 mW, CW, 3 dB down MHz 20

SMSR Side mode Suppression Ratio, Pf = 20 mW, CW dB 33 45

RIN Relative Intensity Noise, Pf = 20 mW, 20 MHz to 3 GHz dB/Hz -145

ext Polarization Extinction Ratio2, Pf = 20 mW, CW dB 15

ISOL Isolation dB 30

ELECTRO-OPTICAL CHARACTERISTICS (TLD = 25°C, TC = -5 to +70°C, unless otherwise specified)

Notes:

1. Wavelength selectable for ITU-T standards (50 GHz grid).

Please refer to ordering information.

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

PRELIMINARY DATA SHEET

ABSOLUTE MAXIMUM RATINGS1

(TA = 25°C, unless otherwise specified)

SYMBOLS PARAMETERS UNITS RATINGS

IFForward Current of LD mA 300

VRReverse Voltage of LD V 2.0

IFForward Current of PD mA 10

VRReverse Voltage of PD V 20

TCOperating Case Temperature °C -20 to +70

TSTG Storage Temperature °C -40 to +85

TSLD Lead Soldering °C260

Temperature (10 s)

Note:

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

in permanent damage.

NX8570SA, NX8570SC

PART NUMBER NX8570SA, NX8570SC

SYMBOLS PARAMETERS AND CONDITIONS UNITS MIN TYP MAX

RThermistor Resistance kΩ9.5 10.0 10.5

BB Constant K 3350 3450 3550

ICCooler Current, ∆T = 70 - TSET, Pf = 20 mW A 1.5

VCCooler Voltage, ∆T = 70 - TSET, Pf = 20 mW V 4.5

ELECTRO-OPTICAL CHARACTERISTICS (Applicable to Thermistor and TEC: TLD = 25°C, TC = -5 to +70°C)

PART NUMBER NX8570SA, NX8570SC

SYMBOLS PARAMETERS AND CONDITIONS UNITS MIN TYP MAX

Im(Pf)Monitor Current (Pf Monitor), Pf = 20 mW, VR = 5 V µA30 300

Im(λp) Monitor Current (λp Monitor),

Pf = 20 mW, VR = 5 V, Peak value µA15 150

Im(λ)Operation region1%25 75

|λ1–λ2|pm 90

ηλDiscrimination slope1µA/pm 0.15

IDDark Current, VR = 5 V nA 2 10

γ2Tracking Error, Im = const. dB 0.5

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

γ = 10 log Pf

20 mW

Notes:

1. Operation region, Discrimination slope

Operation region

Locking Point

(λ)

@ 100%

: I

@ 75%

: I

@ 25%

@ 0%

(λ

)

λ =

– I

– λ

[µA/pm]

(mW) TLD = Tset

TLD = Tset,

TC = -5 to +70°C

2. Tracking error: γ

Part Number ITU-T Wavelength1Frequency

With FC-PC With SC-PC With FC-PC With SC-PC (nm) (THz)

Connector Connector Connector Connector

(Standard) (Option) (Standard) (Option)

NX8570SA303-BA NX8570SA303-CA NX8570SC303-BA NX8570SC303-CA 1530.33 195.90

NX8570SA311-BA NX8570SA311-CA NX8570SC311-BA NX8570SC311-CA 1531.11 195.80

NX8570SA318-BA NX8570SA318-CA NX8570SC318-BA NX8570SC318-CA 1531.89 195.70

NX8570SA326-BA NX8570SA326-CA NX8570SC326-BA NX8570SC326-CA 1532.68 195.60

NX8570SA334-BA NX8570SA334-CA NX8570SC334-BA NX8570SC334-CA 1533.46 195.50

NX8570SA342-BA NX8570SA342-CA NX8570SC342-BA NX8570SC342-CA 1534.25 195.40

NX8570SA350-BA NX8570SA350-CA NX8570SC350-BA NX8570SC350-CA 1535.03 195.30

NX8570SA358-BA NX8570SA358-CA NX8570SC358-BA NX8570SC358-CA 1535.82 195.20

NX8570SA366-BA NX8570SA366-CA NX8570SC366-BA NX8570SC366-CA 1536.60 195.10

NX8570SA373-BA NX8570SA373-CA NX8570SC373-BA NX8570SC373-CA 1537.39 195.00

NX8570SA381-BA NX8570SA381-CA NX8570SC381-BA NX8570SC381-CA 1538.18 194.90

NX8570SA389-BA NX8570SA389-CA NX8570SC389-BA NX8570SC389-CA 1538.97 194.80

NX8570SA397-BA NX8570SA397-CA NX8570SC397-BA NX8570SC397-CA 1539.76 194.70

NX8570SA405-BA NX8570SA405-CA NX8570SC405-BA NX8570SC405-CA 1540.55 194.60

NX8570SA413-BA NX8570SA413-CA NX8570SC413-BA NX8570SC413-CA 1541.34 194.50

NX8570SA421-BA NX8570SA421-CA NX8570SC421-BA NX8570SC421-CA 1542.14 194.40

NX8570SA429-BA NX8570SA429-CA NX8570SC429-BA NX8570SC429-CA 1542.93 194.30

NX8570SA437-BA NX8570SA437-CA NX8570SC437-BA NX8570SC437-CA 1543.73 194.20

NX8570SA445-BA NX8570SA445-CA NX8570SC445-BA NX8570SC445-CA 1544.52 194.10

NX8570SA453-BA NX8570SA453-CA NX8570SC453-BA NX8570SC453-CA 1545.32 194.00

NX8570SA461-BA NX8570SA461-CA NX8570SC461-BA NX8570SC461-CA 1546.11 193.90

NX8570SA469-BA NX8570SA469-CA NX8570SC469-BA NX8570SC469-CA 1546.91 193.80

NX8570SA477-BA NX8570SA477-CA NX8570SC477-BA NX8570SC477-CA 1547.71 193.70

NX8570SA485-BA NX8570SA485-CA NX8570SC485-BA NX8570SC485-CA 1548.51 193.60

NX8570SA493-BA NX8570SA493-CA NX8570SC493-BA NX8570SC493-CA 1549.31 193.50

NX8570SA501-BA NX8570SA501-CA NX8570SC501-BA NX8570SC501-CA 1550.11 193.40

NX8570SA509-BA NX8570SA509-CA NX8570SC509-BA NX8570SC509-CA 1550.91 193.30

NX8570SA517-BA NX8570SA517-CA NX8570SC517-BA NX8570SC517-CA 1551.72 193.20

NX8570SA525-BA NX8570SA525-CA NX8570SC525-BA NX8570SC525-CA 1552.52 193.10

NX8570SA533-BA NX8570SA533-CA NX8570SC533-BA NX8570SC533-CA 1553.32 193.00

NX8570SA541-BA NX8570SA541-CA NX8570SC541-BA NX8570SC541-CA 1554.13 192.90

NX8570SA549-BA NX8570SA549-CA NX8570SC549-BA NX8570SC549-CA 1554.94 192.80

NX8570SA557-BA NX8570SA557-CA NX8570SC557-BA NX8570SC557-CA 1555.74 192.70

NX8570SA565-BA NX8570SA565-CA NX8570SC565-BA NX8570SC565-CA 1556.55 192.60

NX8570SA573-BA NX8570SA573-CA NX8570SC573-BA NX8570SC573-CA 1557.36 192.50

NX8570SA581-BA NX8570SA581-CA NX8570SC581-BA NX8570SC581-CA 1558.17 192.40

NX8570SA589-BA NX8570SA589-CA NX8570SC589-BA NX8570SC589-CA 1558.98 192.30

NX8570SA597-BA NX8570SA597-CA NX8570SC597-BA NX8570SC597-CA 1559.79 192.20

NX8570SA606-BA NX8570SA606-CA NX8570SC606-BA NX8570SC606-CA 1560.60 192.10

NX8570SA614-BA NX8570SA614-CA NX8570SC614-BA NX8570SC614-CA 1561.41 192.00

NX8570SA622-BA NX8570SA622-CA NX8570SC622-BA NX8570SC622-CA 1562.23 191.90

NX8570SA630-BA NX8570SA630-CA NX8570SC630-BA NX8570SC630-CA 1563.04 191.80

NX8570SA638-BA NX8570SA638-CA NX8570SC638-BA NX8570SC638-CA 1563.86 191.70

NX8570SA646-BA NX8570SA646-CA NX8570SC646-BA NX8570SC646-CA 1564.67 191.60

NX8570SA654-BA NX8570SA654-CA NX8570SC654-BA NX8570SC654-CA 1565.49 191.50

ORDERING INFORMATION

Note:

1. The third digit after decimal point is deleted.

NX8570SANX8570SC

NX8570SA, NX8570SC

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

-10

-20

-30

-40

-50

-60

-70

-80

1529.1 1534.1 1539.1 1544.1 1549.1

30.0

25.0

20.0

15.0

10.0

5.0

0050100 150 200

0.30

0.25

0.20

0.15

0.10

0.05

)

10 25 75 50

Relative Intensity (dB)

SPECTRUM

Wavelength, λ (nm)

OPTICAL OUTPUT POWER FROM FIBER AND

MONITOR CURRENT (Pf MONITOR) vs. FORWARD CURRENT

Forward Current, IF (mA)

Optical Output Power from Fiber, P

(mW)

Ambient Temperature, TA (°C)

Thermistor Resistance, R (kΩ)

THERMISTOR RESISTANCE vs. AMBIENT

TEMPERATURE

Monitor Current (P

Monitor) I

) (mA)

Remark: The graphs indicate nominal characteristics.

NX8570SA, NX8570SC

OUTLINE DIMENSIONS (Units in mm)

PIN No. FUNCTION PIN No. FUNCTION

1THERMISTOR 8 GND

2THERMISTOR 9 GND

3NC 10PD (λp)ANODE

4PD (Pf)ANODE 11 LD CATHODE, GND

5PD CATHODE 12 LD ANODE

6COOLER ANODE 13 GND

7PD CATHODE 14 GND

OPTICAL FIBER CHARACTERISTICS (Units in mm)

#7 #1

PD (P

)

PD (λc)

Thermistor

#14

Optical Fiber (PMF)

Length : 1 m MIN

29.97±0.25

0.3

1.0

5.15

0.5

20.83±0.25

26.04±0.25

15.24

814

2.54

20.8

φ2.67 4 places

1.25

0.9

10 MIN

8.89±0.13 12.7±0.2

6.0

8.2±0.2

Cooler

5.4

Fiber Length: 1000 mm MIN

PMF

FC - PC Connector

PARAMETERS SPECIFICATIONS

Outer Diameter 0.9±0.1

Minimum Fiber Bending Radius 40

Fiber Length 1000 MIN

EXCLUSIVE NORTH AMERICAN AGENT FOR NEC RF, MICROWAVE & OPTOELECTRONIC SEMICONDUCTORS

CALIFORNIA EASTERN LABORATORIES • Headquarters • 4590 Patrick Henry Drive • Santa Clara, CA 95054-1817 • (408) 988-3500 • Telex 34-6393 • FAX (408) 988-0279

Internet: http://WWW.CEL.COM

02/08/2002

DATA SUBJECT TO CHANGE WITHOUT NOTICE

NX8570SA PIN CONNECTIONS

#7 #1

PD (Pf)

PD (λc)

Thermistor

#14

Cooler

NX8570SC PIN CONNECTIONS

PIN No. FUNCTION PIN No. FUNCTION

1THERMISTOR 8 GND

2THERMISTOR 9 GND

3 LD CATHODE 10 PD (λp) ANODE

4PD (Pf)ANODE 11 LD ANODE

5PD CATHODE 12 LD CATHODE

6COOLER ANODE 13 LD ANODE

7COOLER CATHODE 14 NC