LASER DIODE
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NEC's 1550 nm InGaAsP MQW DFB NX8504BE-CC LASER DIODE IN COAXIAL PACKAGE NX8504CE-CC for 622 Mb/s A...
Description
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NEC's 1550 nm InGaAsP MQW DFB NX8504BE-CC LASER DIODE IN COAXIAL PACKAGE NX8504CE-CC for 622 Mb/s APPLICATION
FEATURES
PEAK EMISSION WAVELENGTH: λP = 1550 nm OPTICAL OUTPUT POWER: Pf = 2.0 mW INTERNAL OPTICAL ISOLATOR InGaAs MONITOR PIN-PD WIDE OPERATING TEMPERATURE RANGE: TC = -10 to +85°C WITH SC-UPC CONNECTOR BASED ON TELCORDIA RELIABILITY
DESCRIPTION
NEC's NX8504BE-CC and NX8504CE-CC are 1550 nm Distributed Feed-Back (DFB) laser diode coaxial modules with optical isolator. These modules are ideal as a light source for Synchronous Digital Hierarchy (SDH) system, STM-4, long-haul L-4.2, L-4.3 ITU-T recommendations.
ELECTRO-OPTICAL CHARACTERISTICS (TC = -10 to +85°C, unless otherwise specified)
PART NUMBER SYMBOLS Pf VOP ITH PTH IMOD PARAMETERS AND CONDITIONS Optical Output Power from Fiber, CW Operating Voltage, Pf = 2.0 mW Threshold Current Threshold Output Power, IF = ITH Modulation Current Differential Efficiency Pf = 2.0 mW, TC = 25°C Pf = 2.0 mW TC = +25°C UNITS mW V mA mA µW mA mA W/A W/A dB 11 9 0.060 0.036 -3 20 0.100 -1.6 2 MIN NX8504BE-CC, NX8504CE-CC TYP 2.0 1.1 15 1.6 25 50 100 35 55 0.150 0.200 MAX
ηd
∆η d
Pf = 2.0 mW, TC = 25°C Pf = 2.0 mW Temperature Dependence of Differential Efficiency, ηd (@ TC °C) ∆ηd = 10 log ηd (@ 25 °C) Kink, Pf = Up to 2.4 mW (Refer to defenitions) Peak Emission Wavelength, Pf = 2.0 mW Temperature Dependence of Peak Emission Wavelength Spectral Width, Pf = 2.0 mW, -20 dB down width Side Mode Supp...
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