NEC'S EA MODULATOR AND WAVELENGTH MONITOR INTEGRATED InGaAsP MQW DFB LASER DIODE MODULE FOR 2.5 Gb/s ULTRALONG-REACH 240, 360, 600 km DWDM APPLICATIONS NX8567SA Series FEATURES DESCRIPTION • INTEGRATED ELECTROABSORPTION MODULATOR NEC's NX8567SA Series is an Electro-Absorption (EA) modulator 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 applications 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 • WAVELENGTH MONITOR FUNCTION (Etalon Þlter, 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) ELECTRO-OPTICAL CHARACTERISTICS (TLD = Tset, TC = -5 to +70°C, unless otherwise speciÞed) PART NUMBER SYMBOLS TSET IOP Vcenter PARAMETERS AND CONDITIONS Laser Set Temperature1 Operating Current Modulation Center Voltage2 Voltage2 Vmod Modulation VFLD Forward Voltage of LD, IFLD = IOP ITH Threshold Current NX8567SA SERIES UNITS Optical Output Power from Fiber, (NX8567SAM/SA Series) IFLD = IOP, Under modulation2 SMSR ER MAX °C 20 50 60 80 V -2.0 – -0.5 V – 2 3 V – – 2.0 mA – 7 20 35 -5 -2 – 0 +1 – dBm (NX8567SAS Series) λP TYP mA IFLD = IOP, Under modulation2 Pf MIN Peak Emission Wavelength, IFLD = IOP, VEA = 0 V nm 1528 ITU-T3 1564 Side Mode Suppression Ratio, IFLD = IOP, VEA = 0 V dB 30 40 – Extinction Ratio, IFLD = IOP, Under modulation2 dB 10 11 – tf Rise Time, IFLD = IOP, 20-80%, Under modulation2 ps – – 125 tr Rise Time, IFLD = IOP, 80-20%, Under modulation2 ps – – 125 Notes: 1. Tset is a certain point between 20 and 35C for ITU-T grid wavelength 2. 2.48832 Gb/s, PRBS 223 -1, VEA = Vcenter ±1/2 Vmod, IFLD = Iop, TLD = Tset, NEC Test System Vcenter : a certain point between -2.0 and -0.5 V Vmod : a certain point 3 V or below Iop : 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) California Eastern Laboratories NX8567SA SERIES ELECTRO-OPTICAL CHARACTERISTICS (TLD = Tset, TC = -5 to +70°C, Unless otherwise speciÞed) PART NUMBER SYMBOLS NX8567SA SERIES UNITS MIN TYP MAX DP Dispension Penalty, IFLD = Iop, SMF Under modulation2,4 dB – – 2 IS Isolation dB 23 – – – – -8 – – -5 S11 PARAMETERS AND CONDITIONS Input Return Loss IFLD = Iop, VEA = -1 V, 50 Ω 130 MHz to 2 GHz dB IFLD = Iop, VEA = -1 V, 50 Ω 2 GHz to 2.5 GHz Notes: 1. Tset is a certain point between 20 and 35C for ITU-T grid wavelength 2. 2.48832 Gb/s, PRBS 223 -1, VEA = Vcenter ±1/2 Vmod, IFLD = Iop, TLD = Tset, NEC Test System Vcenter : a certain point between -2.0 and -0.5 V Vmod : a certain point 3 V or below Iop : 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, TLD = Tset, TC = -5 to +70°C, BOL) SYMBOLS UNITS MIN TYP MAX Im (Pf) Monitor Current (Pf Monitor), VRPD = 5 V, IFLD = Iop PARAMETERS AND CONDITIONS µA 10 – 200 Im (λp) Monitor Current (λp Monitor), VRPD = 5 V, IFLD = Iop, Locking point µA 5 – 100 Im (λ) Operation Region % 25 – 75 |λ1-λ2| pm 90 – – µA/pm 0.24 – – nA – – 10 ηλ Discrimination Slope1, VRPD = 5 V, IFLD = Iop, Locking point ID Dark Current, VRPD = 5 V, VEA = 0 V Ct Terminal Capacitance, VRPD = 5 V, f = 1 MHz pF – – 15 γ2 Tracking Error, Im(Pf) = const. dB – – 0.5 Note: 1. Operating region, Discrimination slope, Slope assignment Im (λ) I1 – I2 ηλ = [ µA/pm] λ1 – λ2 Im @100% Im (λ) Im @100% I1: Im @75% Operation region I2: Im @75% Locking point Im (λp) Im (λp) I2: Im @25% I1: Im @25% Operation region Locking point Im @0% Im @0% 0 λ (nm) λ1 λp λ2 0 Negative Slope λ (nm) λ1 λp λ2 Positive Slope 2. Tracking error: γ Pf (mW) TLD = Tset, TC = 25ûC Pop TLD = Tset, TC = –20 to +70ûC Pf 0 γ = 10 log Im Im Pf Pop [dB] NX8567SA SERIES ELECTRO-OPTICAL CHARACTERISTICS (Applicable to Thermistor and TEC, TC = -5 to +70°C) PART NUMBER SYMBOLS NX8567SA SERIES PARAMETERS AND CONDITIONS UNITS MIN TYP MAX R Thermistor Resistance, TLD = 25°C kΩ 9.5 10.0 10.5 B B Constant K 3350 3450 3550 IC Cooler Current, TLD = Tset A 1.2 VC Cooler Voltage, TLD = Tset V 2.4 ABSOLUTE MAXIMUM RATINGS1 SYMBOLS PARAMETERS UNITS Pf RATINGS Optical Output Power from Fiber mW 10 IFLD Forward Current of LD mA 150 VRLD Reverse Voltage of LD V 2.0 VFm Forward Voltage of Modulator V 1 VRm Reverse Voltage of Modulator V 5 IFPD Forward Current of PD mA 1 VRPD Reverse Voltage of PD V 10 IC Cooler Current A 1.5 VC Cooler Voltage V 2.5 TC Operating Case Temperature °C -5 to +70 TSTG Storage Temperature °C -40 to +85 TSLD Lead Soldering Temp. (3 s) °C 350 Note: 1. Operation in excess of any one of these parameters may result in permanent damage. NX8567SA SERIES ORDERING INFORMATION 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) 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 *1 (nm) 1528.773 1529.163 1529.553 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 *1 (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 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. Frequency (THz) 193.95 193.90 193.85 193.80 193.70 193.70 193.60 193.55 193.50 193.45 193.40 193.35 193.30 193.25 193.20 193.15 193.10 193.05 193.00 192.95 192.90 192.85 192.80 192.75 192.70 192.65 192.60 192.55 192.50 192.45 192.40 192.30 192.30 192.25 192.20 192.15 192.10 192.05 192.00 191.95 191.90 191.85 191.80 NX8567SA SERIES OUTLINE DIMENSIONS (Units in mm) 15.24 8.0 14 #7 #1 – + Cooler 12.7±0.15 1 0.9 7 6.0 MAX. 22 MAX. 8 TOP VIEW 5.4 4 – φ 2.67 1.25 8.89±0.13 10 MIN. 2.54 PD (Pf) Thermistor LD PD (λp) MOD Fiber Nose #14 PIN CONNECTIONS 20.83±0.13 26.04±0.13 Pin No. 0.75 Optical Fiber (SMF) Length : 900 MIN. 8.0 #8 29.97±0.25 1 2 3 4 5 6 7 Function Pin No. Thermistor Thermistor LD DC Bias (+) PD (Pf) Anode (–) PD (λp) and PD (Pf) Cathode (+) Cooler (+) Cooler (–) 8 9 10 11 12 13 14 Function GND GND PD (λp) Anode (–) LD/MOD GND Signal Input (MOD), 50 Ω RF Input LD/MOD GND GND OPTICAL FIBER CHARACTERISTICS UNITS SPECIFICATION Mode Field Diameter PARAMETER µm 9.3±0.5 Cladding Diameter µm 125±1 Tight Buffer Diameter µm 900±100 nm < 1270 dB/km < 0.3 Cut-off Wavelenght Attenuation 1525 to 1575 nm Minimum Fiber Bending Radius mm 30 Fiber Length mm 1225 MIN Flammability UL1581VW-1 -CC : SC-UPC connector -BC : FC-UPC connector 8.99±0.5 mm 35±2 mm 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