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NEC's EA MODULATOR INTEGRATED InGaAsP MQW DFB LASER DIODE MODULE FOR 2.5 Gb/s ULTRALONG-REACH 360, 600, 240 km DWDM APPLICATIONS
FEATURES
* INTEGRATED ELECTROABSORPTION MODULATOR * VERY LOW DISPERSION PENALTY: Over 360 km (6480 ps/nm), NX8564LE-BC/CC Over 600 km (10800 ps/nm), NX8565LE-BC/CC Over 240 km (4320 ps/nm), NX8566LE-BC/CC * LOW MODULATION VOLTAGE * AVAILABLE FOR DWDM WAVELENGTH BASED ON ITU-T RECOMMENDATION 100 GHz grid, refer to ORDERING INFORMATION
NX8564LE NX8565LE NX8566LE SERIES
DESCRIPTION
NEC's NX8564/8565/8566LE Series is an Electro-Absorption (EA) modulator integrated, 1550 nm Multiple Quantum Well (MQW) structured Distributed Feed-Back (DFB) laser diode. The module is capable of 2.5 Gb/s applications of over 360 km, 600 km, 240 km ultralong-reach and available for Dense Wavelength Division Multiplexing (DWDM) wavelengths based on ITU-T recommendations, enabling a wide range of applications.
California Eastern Laboratories
NX8564/8565/8566LE SERIES PACKAGE DIMENSIONS (Units in mm, unless otherwise specified 0.2mm)
15.24 2.54 10 MIN. 6.0 MAX. 4 - 2.67 22.0 MAX. 0.9 7 8 1 14
8.0
5.4
#7
TOP VIEW
PD LD
#1
1.25
+ Cooler
Thermistor MOD
8.890.13
12.70.15
Fiber Nose
#8
#14
20.830.13 26.040.13
PIN CONNECTIONS
Pin No. Optical Fiber (SMF) Length : 900 MIN. 1 2 3 4 5 6 7 Function Thermistor Thermistor LD DC Bias PD Anode PD Cathode Cooler Anode Cooler Cathode Pin No. 8 9 10 11 12 13 14 Function GND GND NC GND Signal Input (MOD), 50 RF Input GND GND
0.75
8.0
29.970.25
NX8564/8565/8566LE SERIES OPTICAL FIBER CHARACTERISTICS
PARAMETER Mode Field Diameter Cladding Diameter Tight Buffer Diameter Cut-off Wavelength Attenuation 1525 to 1575 nm Minimum Fiber Bending Radius Fiber Length Flammability SPECIFICATION 9.30.5 1251 900100 < 1270 < 0.3 30 900 MIN. UL1581 VW-1 UNIT m m m nm dB/km mm mm
Fiber Length : 900 mm MIN.
-CC : SC-UPC connector -BC : FC-UPC connector
8.990.5 mm
352 mm
NX8564/8565/8566LE SERIES ORDERING INFORMATION
PART NUMBER NX8564-AZ* NX8565-AZ* NX8566-AZ* *NOTE: Please refer to the last page of this data sheet, "Compliance with EU Directives" for Pb-Free RoHS Compliance Infomation. PACKAGING Butterfly Package
NX856 LE
CC : SC-UPC connector BC : FC-UPC connector (option) Without wavelength code : Wavelength is a certain point between 1528 to 1565 nm, 1579 to 1609 nm With wavelength code : Refer to Table A 4 : 360 km (6480 ps/nm) 5 : 600 km (10800 ps/nm) 6 : 240 km (4320 ps/nm)
Table A: DWDM wavelength base on ITU-T recommendations (@ TLD = Tset) (1/2)
Wavelength Code 287 295 303 311 318 326 334 342 350 358 366 373 381 389 397 405 413 421 429 437 445 453 461 469 477 ITU-T Wavelength *1 (nm) 1528.77 1529.55 1530.33 1531.11 1531.89 1532.68 1533.46 1534.25 1535.03 1535.82 1536.60 1537.39 1538.18 1538.97 1539.76 1540.55 1541.34 1542.14 1542.93 1543.73 1544.52 1545.32 1546.11 1546.91 1547.71 Frequency (THz) 196.10 196.00 195.90 195.80 195.70 195.60 195.50 195.40 195.30 195.20 195.10 195.00 194.90 194.80 194.70 194.60 194.50 194.40 194.30 194.20 194.10 194.00 193.90 193.80 193.70 Wavelength Code 485 493 501 509 517 525 533 541 549 557 565 573 581 589 597 606 614 622 630 745 753 761 770 778 786 ITU-T Wavelength *1 (nm) 1548.51 1549.31 1550.11 1550.91 1551.72 1552.52 1553.32 1554.13 1554.94 1555.74 1556.55 1557.36 1558.17 1558.98 1559.79 1560.60 1561.41 1562.23 1563.04 1574.54 1575.36 1576.19 1577.02 1577.85 1578.68 Frequency (THz) 193.60 193.50 193.40 193.30 193.20 193.10 193.00 192.90 192.80 192.70 192.60 192.50 192.40 192.30 192.20 192.10 192.00 191.90 191.80 190.40 190.30 190.20 190.10 190.00 189.90
*1 The value which omitted and computed the 3rd place below the decimal point
NX8564/8565/8566LE SERIES Table A: DWDM wavelength base on ITU-T recommendations (@ TLD = Tset) (1/2)
Wavelength Code 795 803 811 820 828 836 845 853 862 870 878 887 895 904 912 921 929 937 ITU-T Wavelength *1 (nm) 1579.51 1580.35 1581.18 1582.01 1582.85 1583.69 1584.52 1585.36 1586.20 1587.04 1587.88 1588.72 1589.56 1590.41 1591.25 1592.10 1592.94 1593.79 Frequency (THz) 189.80 189.70 189.60 189.50 189.40 189.30 189.20 189.10 189.00 188.90 188.80 188.70 188.60 188.50 188.40 188.30 188.20 188.10 Wavelength Code 946 954 963 971 980 988 997 6006 6014 6023 6031 6040 6048 6057 6066 6074 6083 ITU-T Wavelength *1 (nm) 1594.64 1595.48 1596.33 1597.18 1598.04 1598.89 1599.74 1600.60 1601.45 1602.31 1603.16 1604.02 1604.88 1605.74 1606.60 1607.46 1608.32 Frequency (THz) 188.00 187.90 187.80 187.70 187.60 187.50 187.40 187.30 187.20 187.10 187.00 186.90 186.80 186.70 186.60 186.50 186.40
*1 The value which omitted and computed the 3rd place below the decimal point
NX8564/8565/8566LE SERIES ABSOLUTE MAXIMUM RATINGS
PARAMETER Optical Output Power 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 SYMBOL Pf IFLD VRLD VFEA VREA IFPD VRPD IC VC TC Tstg Tsld RATINGS 10 150 2.0 1 5 1 10 1.5 2.5 -20 to +70 -40 to +85 260 (10 sec.) UNIT mW mA V V V mA V A V C C C
NX8564/8565/8566LE SERIES ELECTRO-OPTICAL CHARACTERISTICS (TLD = Tset, TC = -20 to +70C, unless otherwise specified)
PARAMETER Laser Set Temperature Operating Current Modulation Center Voltage Modulation Voltage Forward Voltage of LD Threshold Current Optical Output Power from Fiber SYMBOL Tset Iop Vcenter Vmod VFLD Ith Pf IFLD = Iop, Under modulation (NX8564/65LE Series)
*2
CONDITIONS *1
MIN. 20 50
TYP. 60 -1.2 2 1.6 7
MAX. 35 80 -0.5 3 2.0 20
UNIT C mA V V V mA dBm
Under modulation *2 Under modulation *2 IFLD = Iop
-1.5
-5 0 1528 1574 30
-2 1 ITU-T *3 > 37 > 11 70 70 < 1.5 125 125 2.0 1565 1609
IFLD = Iop, Under modulation *2 (NX8566LE Series) Peak Emission Wavelength Side Mode Suppression Ratio Extinction Ratio Rise Time Fall Time Dispersion Penalty Isolation Relative Intensity Noise Input Return Loss p IFLD = Iop, VEA = 0 V IFLD = Iop, VEA = 0 V IFLD = Iop, Under modulation
*2
nm dB dB ps ps dB dB
SMSR ER tr tf DP Is RIN S11
10
IFLD = Iop, 20-80%, Under modulation *2 IFLD = Iop, 80-20%, Under modulation *2 IFLD = Iop, Under modulation *2, 4 23 10 MHz to 10 GHz, VEA = 0 V, IFLD = Iop IFLD = Iop, VEA = -1 V, 50 , f = 130 MHz to 2 GHz IFLD = Iop, VEA = -1 V, 50 , f = 2 to 2.5 GHz
< -135
-130 -8 -5
dB/ Hz dB
*1 NX8564/65/66LE Series
: Tset is a certain point between 20 and 35C
NX8564/65/66LExxx Series : Tset is set at a certain point between 20 and 35C for ITU-T grid wavelength *2 NX8564LE : C-band 360 km, L-band 288 km (6480 ps/nm) SMF under modulation NX8565LE : C-band 600 km, L-band 480 km (10800 ps/nm) SMF under modulation NX8566LE : C-band 240 km, L-band 192 km (4320 ps/nm) SMF under modulation 2.48832 Gb/s, PRBS 223-1, VEA = Vcenter 1/2Vmod, IFLD = Iop, TLD = Tset, NEC Test System Vcenter : a certain point between -1.5 and -0.5 V Vmod Iop : a certain point 3 V or below : a certain point between 50 and 80 mA
*3 Available for DWDM wavelengths based on ITU-T recommendations (100 GHz grid). Please refer to ORDERING INFORMATION. *4 BER = 10-10
NX8564/8565/8566LE SERIES ELECTRO-OPTICAL CHARACTERISTICS
PARAMETER Monitor Current Dark Current Terminal Capacitance Tracking Error SYMBOL Im ID Ct
*1
(Applicable to Monitor PD: TLD = Tset, TC = -20 to +70C, unless otherwise specified) CONDITIONS VRPD = 5 V, IFLD = Iop, VEA = 0 V VRPD = 5 V, VEA = 0 V VRPD = 5 V, f = 1 MHz Im = const. MIN. 20 TYP. 100 MAX. 1000 10 15 0.5 UNIT A nA pF dB
*1 Tracking Error:
(mW)
Pf TLD = Tset, TC = 25C TLD = Tset, TC = -20 to +70C
Pop Pf
= 10 log
Pf Pop
[dB]
0
Im
Im
ELECTRO-OPTICAL CHARACTERISTICS
(Applicable to Thermistor and TEC: TC = -20 to +70C) PARAMETER Thermistor Resistance B Constant TEC Current TEC Voltage SYMBOL R B IC VC TLD = Tset TLD = Tset TLD = 25C CONDITIONS MIN. 9.5 3350 TYP. 10.0 3450 MAX. 10.5 3550 1.2 2.4 UNIT k K A V
NX8564/8565/8566LE SERIES ELECTRO-OPTICAL CHARACTERISTICS (TLD = Tset, TC = 25C, unless otherwise specified)
OPTICAL OUTPUT POWER FROM FIBER (CW) vs. FORWARD CURRENT
Optical Output Power from Fiber Pf (mW) 4.0 150
FORWARD CURRENT vs. FORWARD VOLTAGE
3.0
Forward Current IF (mA) 100
100
2.0
50
1.0
0
50
150
0
0.5
1.0
1.5
2.0
Forward Current IF (mA)
Forward Voltage VF (V)
EXTINCTION RATIO vs. MODULATOR VOLTAGE
0 5 10 15 20 25 0 0 -10 Relative Intensity (dB) -20 -30 -40 -50 -60 1 2 3 -70 1540.0 1545.0
SPECTRUM
Extinction Ratio ER (dB)
1550.0
1555.0
1560.0
Reverse Voltage of Modulator VREA (V)
Wavelength (nm)
THERMISTOR RESISTANCE vs. AMBIENT TEMPERATURE
50 Thermistor Resistance R (k) 30 20 10 5 3 2 1 0
10
20
30
40
50
60
70 75
Ambient Temperature TA (C)
Remark The graphs indicate nominal characteristics.
NX8564/8565/8566LE SERIES 600 km STANDARD FIBER TRANSMISSION EXAMPLE (NX8565LE Series)
Test Setup
2.5 Gb/s TX EDFA EDFA EDFA 120 km 120 km 120 km
RX
EDFA
120 km
EDFA
120 km
EDFA
10-4 10-5 Bit Error Rate 10-6 10-7 10-8
2.48832 Gb/s, NRZ 2 VP-P, PRBS 223-1, Iop = 70 mA, TC = 25C, Vcenter = -1.2 V, Vmod = 2.0 V
Relative Intensity (20 mV/div.)
ERROR RATE CHARACTERISTICS
EYE DIAGRAM
after 600 km -40 -38 -36 -34 -32 -30 -28
Received Power (dBm)
Relative Intensity (10 mV/div.)
10-9 10-10 10-11 10-12 10-13 -42
Back to Back (100 ps/div.)
back to back
After 600 km (100 ps/div.)
Remark The graphs indicate nominal characteristics.
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.
08/24/2004
A Business Partner of NEC Compound Semiconductor Devices, Ltd.
4590 Patrick Henry Drive Santa Clara, CA 95054-1817 Telephone: (408) 919-2500 Facsimile: (408) 988-0279
Subject: Compliance with EU Directives 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 -A Not Detected Not Detected Not Detected Not Detected Not Detected Not Detected -AZ (*)
If you should have any additional questions regarding our devices and compliance to environmental standards, please do not hesitate to contact your local representative.
Important Information and Disclaimer: Information provided by CEL on its website or in other communications concerting the substance content of its products represents knowledge and belief as of the date that it is provided. CEL bases its knowledge and belief on information provided by third parties and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. CEL has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. CEL and CEL suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release. In no event shall CEL's liability arising out of such information exceed the total purchase price of the CEL part(s) at issue sold by CEL to customer on an annual basis. See CEL Terms and Conditions for additional clarification of warranties and liability.

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