NEC's NX8567SA Series is an Electro-Absorption (EA) modu-lator and wavelength monitor integrated, 1 550 nm Multiple
Quantum Well (MQW) structured Distributed Feed-Back (DFB) laser diode module. The module is capable of 2.5 Gb/s ap-plications of over 240 km, 360 km, 600 km ultralong-reach and available for Dense Wavelength Division Multiplexing (DWDM) wavelengths based on ITU-T recommendations, enabling a wide range of applications
DESCRIPTION
? INTEGRATED ELECTROABSORPTION MODULATOR ? WAVELENGTH MONITOR FUNCTION
(Etalon T lter, Wavelength monitor PD)
? VERY LOW DISPERSION PENALTY
NX8567SAS Series - over 240 km (4320 ps/nm) NX8567SAM Series - over 360 km (6480 ps/nm) NX8567SA Series - over 600 km (10800 ps/nm)? LOW MODULATION VOLTAGE
? AVAILABLE FOR DWDM WAVELENGHT BASED ON ITU-T RECOMMENDATION (50 GHz grid, refer to ordering information)
FEATURES
California Eastern Laboratories
PART NUMBER
NX8567SA SERIES
SYMBOLS PARAMETERS AND CONDITIONS
UNITS MIN TYP
MAX T SET Laser Set Temperature 1°C 2035I OP Operating Current
mA 506080V center Modulation Center Voltage 2V -2.0–-0.5V mod Modulation Voltage 2
V –23V FLD For w ard Voltage of LD, I FLD = I OP V –– 2.0I TH
Thresh o ld Current
mA
–720P f
Optical Output Power from Fiber,
I FLD = I OP , Under modulation 2
(NX8567SAM/SA Series)dBm
-5
-2
–
I FLD = I OP , Under modulation 2(NX8567SAS Series)
0+1–λP Peak Emission Wavelength, I FLD = I OP , V EA = 0 V nm 1528 ITU-T 31564SMSR Side Mode Suppression Ratio, I FLD = I OP , V EA = 0 V dB 3040–ER Extinction Ratio, I FLD = I OP , Under modulation 2dB 1011–t f Rise Time, I FLD = I OP , 20-80%, Under modulation 2ps ––125t r
Rise Time, I FLD = I OP , 80-20%, Under modulation 2
ps –
–
125
ELECTRO-OPTICAL CHARACTERISTICS (T LD = Tset, T C = -5 to +70°C, unless otherwise speci T ed)
Notes:
1. Tset is a certain point between 20 and 35C for ITU-T grid wavelength
2. 2.48832 Gb/s, PRBS 223 -1, V EA = V center ±1/2 Vmod, I FLD = I op , TLD = Tset, NEC Test System V center : a certain point between -2.0 and -0.5 V V mod : a certain point 3 V or below I op : a certain point between 50 and 80 mA
3. Available for DWDM wavelenght based on ITU-T recommendation (100 GHz grid). Please refer to ORDERING INFORMATION.
4. BER = 10-10, NX8567SAS: 240 km (4320 ps/nm) BER = 10-10, NX8567SAM: 360 km (6480 ps/nm) BER = 10-10, NX8567SA: 600 km (10800 ps/nm)
NX8567SA SERIES
ELECTRO-OPTICAL CHARACTERISTICS (T LD = Tset, T C = -5 to +70°C, Unless otherwise speci T ed)
PART NUMBER
NX8567SA SERIES
SYMBOLS
PARAMETERS AND CONDITIONS
UNITS MIN TYP MAX DP
Dispension Penalty, I FLD = I op , SMF Under modulation 2,4
dB
–
–
2
I S Isolation
dB 23––S 11
Input Return Loss
I FLD = I op , V EA = -1 V, 50 ?130 MHz to 2 GHz
dB
–
–-8 I FLD = I op , V EA = -1 V, 50 ? 2 GHz to 2.5 GHz
–
–
-5
Notes:
1. Tset is a certain point between 20 and 35C for ITU-T grid wavelength
2. 2.48832 Gb/s, PRBS 223 -1, V EA = V center ±1/2 Vmod, I FLD = I op , TLD = Tset, NEC Test System V center : a certain point between -2.0 and -0.5 V V mod : a certain point 3 V or below I op : a certain point between 50 and 80 mA
3. Available for DWDM wavelenght based on ITU-T recommendation (100 GHz grid). Please refer to ORDERING INFORMATION.
4. BER = 10-10, NX8567SAS: 240 km(4320 ps/nm) BER = 10-10, NX8567SAM: 360 km (6480 ps/nm) BER = 10-10, NX8567SA: 600 km (10800 ps/nm)
ELECTRO-OPTICAL CHARACTERISTICS (Applicable to Monitor PD, T LD = Tset, T C = -5 to +70°C, BOL)
SYMBOLS PARAMETERS AND CONDITIONS
UNITS MIN TYP MAX I m (Pf)Monitor Current (P f Monitor), V RPD = 5 V, I FLD = I op
μA 10–200I m (λp)Monitor Current (λp Monitor), V RPD = 5 V, I FLD = I op , Locking point μA 5–100I m (λ)Operation Region
%25–75|λ1-λ2|pm 90––ηλDiscrimination Slope 1, V RPD = 5 V, I FLD = I op , Locking point μA/pm 0.24––I D Dark Current, V RPD = 5 V, V EA = 0 V
nA ––10C t Terminal Capacitance, V RPD = 5 V, f = 1 MHz pF ––15γ2
Tracking Error, I m (Pf) = const.
dB
–
–
0.5
Note:
1. Operating region, Discrimination slope, Slope assignment
I I m I m (λp I m I 1: I m I 2: I
m Negative Slope
I m I m I m (λp I m I 2: I m I 1: I m (nm)
Positive Slope
μ
m
m
set , T C = 25?C
, T C = –20 to +70?C
P P f
γ = 10 log
[dB]
P f P op
2. Tracking error: γ
Note:
1.Operation in excess of any one of these parameters may result in permanent damage.
ABSOLUTE MAXIMUM RATINGS 1
SYMBOLS
PARAMETERS
UNITS RATINGS
P f Optical Output Power from Fiber mW 10I FLD Forward Current of LD mA 150V RLD Reverse Voltage of LD V 2.0V Fm Forward Voltage of Modulator V 1V Rm Reverse Voltage of Modulator V 5I FPD Forward Current of PD mA 1V RPD Reverse Voltage of PD V 10I C Cooler Current A 1.5V C Cooler Voltage
V 2.5T C Operating Case Temperature °C -5 to +70T STG Storage Temperature °C -40 to +85T SLD
Lead Soldering Temp. (3 s)
°C
350
NX8567SA SERIES
ELECTRO-OPTICAL CHARACTERISTICS (Applicable to Thermistor and TEC, T C = -5 to +70°C)
PART NUMBER
NX8567SA SERIES
SYMBOLS PARAMETERS AND CONDITIONS
UNITS
MIN
TYP MAX R Thermistor Resistance, T LD = 25°C
k ?9.510.010.5B B Constant
K 3350
3450
3550I C Cooler Current, T LD = T set A 1.2V C
Cooler Voltage, T LD = T set
V
2.4
ORDERING INFORMATION NX8567SA SERIES Wavelength Code
ITU-T Wavelength *1
(nm)Frequency (THz)Wavelength Code
ITU-T Wavelength *1
(nm)Frequency (THz)287
1528.773196.104571545.720193.952911529.163196.054611546.119193.902951529.553196.004651546.518193.852991529.553195.954691546.917193.803031530.334195.904731547.316193.703071530.725195.854771547.715193.703111531.116195.804851548.515193.603151531.507195.754891548.915193.553181531.898195.704931549.315193.503221532.290195.654971549.715193.453261532.681195.605011550.116193.403301533.073195.555051550.517193.353341533.465195.505091550.918193.303381533.073195.455131551.319193.253421534.250195.405171551.721193.203461534.643195.355211552.122193.153501535.036195.305251552.524193.103541535.429195.255291552.926193.053581535.822195.205331553.329193.003621536.216195.155371553.731192.953661536.643195.105411554.134192.903701537.003195.055451554.537192.853731537.397195.005491554.940192.803771537.792194.955531555.343192.753811538.186194.905571555.747192.703851538.581194.855611556.151192.653891538.976194.805651556.555192.603931539.371194.755691556.959192.553971539.766194.705731557.363192.504011540.162194.655771557.768192.454051540.557194.605811558.173192.404091540.953194.555851558.578192.304131541.349194.505891558.983192.304171541.746194.455931559.389192.254211542.142194.405971559.794192.204251542.539194.356021560.200192.154291542.936194.306061560.606192.104331543.333194.256101561.013192.054371543.730194.206141561.419192.004411544.128194.156181561.826191.954451544.526194.106221562.233191.904491544.924194.056261562.640191.85453
1545.322
194.00
630
1563.047
191.80
TABLE A: DWDM wavelengths based on ITU-T recommendations (@ TLD = Tset)
Note:
1. λ 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.
NX8567SA
-CC : SC-UPC connector (standard) BC : FC-UPC connector (option)Wavelength code : Refer to Table A Without : 600 km (10800 ps/nm) M : 360 km (6480 ps/nm) S : 240 km (4320 ps/nm)
OUTLINE DIMENSIONS (Units in mm)
OPTICAL FIBER CHARACTERISTICS
PARAMETER
UNITS SPECIFICATION
Mode Field Diameter μm 9.3±0.5Cladding Diameter μm 125±1Tight Buffer Diameter μm 900±100Cut-off Wavelenght
nm < 1270Attenuation 1525 to 1575 nm dB/km < 0.3Minimum Fiber Bending Radius mm 30Fiber Length mm
1225 MIN
Flammability
UL1581VW-1
07/29/2003
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.
NX8567SA SERIES
8.99±0.5 m m