NX8567SA
NX8567SA is LASER DIODE manufactured by CEL.
FEATURES
- INTEGRATED ELECTROABSORPTION MODULATOR
- 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 REMENDATION (50 GHz grid, refer to ordering information)
NX8567SA Series
DESCRIPTION
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 remendations, enabling a wide range of applications
ELECTRO-OPTICAL CHARACTERISTICS (TLD = Tset, TC = -5 to +70°C, unless otherwise speciÞed)
PART NUMBER SYMBOLS TSET IOP Vcenter Vmod VFLD ITH Laser Set PARAMETERS AND CONDITIONS Temperature1 UNITS °C m A V V V m A IFLD = IOP, Under modulation2 Pf Optical Output Power from Fiber, (NX8567SAM/SA Series) IFLD = IOP, Under modulation2 (NX8567SAS Series) λP SMSR ER tf tr Peak Emission Wavelength, IFLD = IOP, VEA = 0 V Side Mode Suppression Ratio, IFLD = IOP, VEA = 0 V Extinction Ratio, IFLD = IOP, Under modulation2 Rise Time, IFLD = IOP, 20-80%, Under modulation2 Rise Time, IFLD = IOP, 80-20%, Under modulation2 nm d B d B ps ps d Bm 0 1528 30 10
- - +1 ITU-T3 40 11
- -
- 1564
- - 125 125 MIN 20 50 -2.0
- -
- -5 60
- 2
- 7 -2 NX8567SA SERIES TYP MAX 35 80 -0.5 3 2.0 20
- Operating Current Modulation Center Voltage2 Modulation Voltage2
Forward Voltage of LD, IFLD = IOP Threshold Current
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...