1550 nm OPTICAL FIBER COMM. EA MODULATOR INTEGRATED MQW-DFB LASER DIODE MODULE FOR 2.5 Gb/s D-WDM NDL7912P ULTRALONG-REACH APPLICATIONS (600 km) SERIES FEATURES DESCRIPTION • INTEGRATED ELECTROABSORPTION MODULATOR The NDL7912P is an EA modulator integrated 1550 nm DFBLD module for 2.5 Gb/s. The newly developed bandgap energy controlled selective MOVPE technology is utilized as the fabrication method. It is designed for 2.5 Gb/s D-WDM ultralongreach applications. • VERY LOW DISPERSION PENALTY OVER 600 km • LOW MODULATION VOLTAGE • WAVELENGTH SELECTABLE FOR ITU-T STANDARDS • 14-PIN BUTTERFLY PACKAGE ELECTRO-OPTICAL CHARACTERISTICS (TLD = 25°C, TC = -20 to +70°C, unless otherwise specified) PART NUMBER PACKAGE OUTLINE SYMBOLS TSET IOP PARAMETERS AND CONDITIONS NDL7912P UNITS MIN Laser Set Temperature °C 20 TYP MAX 35 Operating Current mA 50 100 VRmc Modulation Center Voltage V 0.5 1.5 VRmpp Modulation Voltage V 2 3 VFLD Forward Voltage of LD, IFLD = IOP V 1.8 ITH Threshold Current mA Pf Optical Output Power from Fiber, VRm = 0 V, IFLD = IOP mW λP Peak Emission Wavelength, IFLD = IOP, VRm = 0 V, TLD = TSET nm Specified to ITU-T1 ∆υ Spectral Line Width, IFLD = IOP, -20 dB, Under modulation2 GHz 4 SMSR Side Mode Suppression Ratio, IFLD = IOP, VRm = 0 V modulation2 dB 7 20 0.5 30 ER Extinction Ratio, IFLD = IOP, Under fC Cut-off Frequency, IFLD = IOP, VRm = 1/2 VRmpp, -3 dB, 50 Ω tf Rise Time, IFLD = IOP, 20-80%, Under modulation2 ps 125 tr Rise Time, IFLD = IOP, 20-80%, Under modulation2 ps 125 Pe Transmission Penalty Due to Dispersion, IFLD = IOP, Under modulation2, 600 km standard fiber3 dB 2 Isolation dB ISOL dB 10 GHz 3.2 30 Notes: 1. Please refer to Ordering Information. 2. 2.48832 Gb/s, PRBS 223-1, VRm = VRmc ± 1/2VRmpp, NEC Test System. 3. 600 km standard fiber NEC Test System, Transmission penalty at BER = 10-9 California Eastern Laboratories NDL7912P ELECTRO-OPTICAL CHARACTERISTICS (TLD = 25°C, TC = -20 to +70°C, unless otherwise specified) PART NUMBER PACKAGE OUTLINE SYMBOLS NDL7912P PARAMETERS AND CONDITIONS UNITS MIN µA 20 TYP MAX Applicable to Monitor PD Im Monitor Current, IFLD = IOP, VRm = 0 V 1000 ID Dark Current, VRPD = 5 V nA 10 γ1 Tracking Error, Im = const. dB 0.5 Ct Monitor Capacitance, VRPD = 5 V, f = 1 MHz pF 15 Applicable to Thermistor and TEC R Thermistor Resistance kΩ 9.5 10.0 10.5 B B Constant K 3300 3400 3500 IC Cooler Current, ∆T = 70 — Tset A 1.5 VC Cooler Voltage, ∆T = 70 — Tset V 2.5 Note: 1. γ = 10 log Pf POP Pf (mW) Pop TLD = TC = 25°C TLD = 25°C, TC = -20 to +70°C Pf 0 ABSOLUTE MAXIMUM RATINGS1 (TC = 25°C, unless otherwise specified) SYMBOLS Pf UNITS RATINGS Optical Output Power from Fiber PARAMETERS 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 IFPD Forward Current of PD VRPD V 5 mA 1 Reverse Voltage of PD V 10 IC Cooler Current A 1.5 VC Cooler Voltage V 2.5 TC Operating Case Temperature °C -20 to +70 TSTG Storage Temperature °C -40 to +85 TSLD Lead Soldering Temp. (10 s) °C 260 Note: 1. Operation in excess of any one of these parameters may result in permanent damage. Im (at Pf (25°C) = Pop) Im NDL7912P ORDERING INFORMATION PART NUMBER With SC-PC Connector PART NUMBER With FC-PC Connector ITU-T Wavelength (nm) Frequency (THz) NDL7912PD477 NDL7912PC477 1547.72 193.7 NDL7912PD485 NDL7912PC485 1548.51 193.6 NDL7912PD493 NDL7912PC493 1549.32 193.5 NDL7912PD501 NDL7912PC501 1550.12 193.4 NDL7912PD509 NDL7912PC509 1550.92 193.3 NDL7912PD517 NDL7912PC517 1551.72 193.2 NDL7912PD525 NDL7912PC525 1552.52 193.1 NDL7912PD533 NDL7912PC533 1553.33 193.0 NDL7912PD541 NDL7912PC541 1554.13 192.9 NDL7912PD549 NDL7912PC549 1554.94 192.8 NDL7912PD557 NDL7912PC557 1555.75 192.7 NDL7912PD565 NDL7912PC565 1556.55 192.6 NDL7912PD573 NDL7912PC573 1557.36 192.5 NDL7912PD581 NDL7912PC581 1558.17 192.4 NDL7912PD589 NDL7912PC589 1558.98 192.3 NDL7912PD597 NDL7912PC597 1559.79 192.2 NDL7912PD606 NDL7912PC606 1560.61 192.1 TYPICAL PERFORMANCE CURVES (TLD = +25°C, unless otherwise specified) EXTINCTION RATIO vs. MODULATION VOLTAGE (CW) 0 2.0 VRm = 0 V 1.5 0.5 V 1.0 0.5 1V 2V 3V 0 0 50 100 150 Forward Current of LD, IFLD (mA) 200 Extinction Ratio, ER (dB) OPtical Output Power from Fiber, Pf (mW) OPTICAL OUTPUT POWER FROM FIBER vs. FORWARD CURRENT OF LD (CW) 5 10 15 20 25 0 1 2 Modulation Voltage, VRmpp (V) 3 NDL7912P TYPICAL PERFORMANCE CURVES (TLD = +25°C) EXTINCTION RATIO vs. MODULATION VOLTAGE (CW) Return Loss, RL (10dB/div.) Response (3 dB/div.) FREQUENCY RESPONSE (S21) 0 0.05 2.55 5.05 SPECTRAL LINE WIDTH Relative Intensity (5 dB/div.) 2.5 Gb/s PRBS 223-1 Wavelength (1 GHz/div.) ERROR RATE CHARACTERISTICS ERROR RATE CHARACTERISTICS 10-3 Extinction Ratio, ER (dB) VRmpp = 2.2 V, VRmc = 0.8 V 10-4 10-5 10-6 10-7 10-9 10-10 10-11 10-12 -42 back to back after 360 km after 600 km -40 -38 -36 0.05 2.55 Frequency, f (GHz) Frequency, f (GHz) 10-8 0 -34 Average Received Power, P (dBm) -32 5.05 NDL7912P 600 km STANDARD FIBER TRANSMISSION EXAMPLE PIN (EDFA) : -20 to -21 dBm POUT (EDFA) : +8 dBm 120 km 120 km 2.5 Gb/s TX EDFA EDFA EDFA 120 km ∆λ = 0.6 nm EDFA RX EDFA 120 km 120 km OUTLINE DIMENSIONS (Units in mm) NDL7912P 15.24 Top View 1.25 4 - φ2.67 7 6.0 1 8 14 12.7 ± 0.15 7 0.9 22.3 8.89 ± 0.13 10 MIN. 2.54 + Cooler 5.15 1.0 5.6 0.75 8.2 ± 0.2 Optical Fiber (SMF) Length : 1 m Pin No. 1. 2. 3. 4. 5. 6. 7. Thermistor MOD 14 8 26.04 ± 0.13 EXCLUSIVE NORTH AMERICAN AGENT FOR PD LD 0.5 20.83 ± 0.13 29.97 ± 0.25 1 PIN CONNECTIONS Function Pin No. Function Thermistor 8. GND Thermistor 9. GND LD DC Bias 10. NC PD Anode 11. GND PD Cathode 12. Signal Input (MOD) Cooler Anode 50 Ω RF Input Cooler Cathode 13. GND 14. GND 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 24-Hour Fax-On-Demand: 800-390-3232 (U.S. and Canada only) • Internet: http://WWW.CEL.COM DATA SUBJECT TO CHANGE WITHOUT NOTICE 11/14/2000