NECs 1550 nm InGaAsP MQW DFB LASER DIODE
NEC's 1550 nm InGaAsP MQW DFB LASER DIODE NX8503BG-CC IN COAXIAL PACKAGE NX8503CG-CC FOR 155 Mb/s AND 622 Mb/s APPLICATI...
Description
NEC's 1550 nm InGaAsP MQW DFB LASER DIODE NX8503BG-CC IN COAXIAL PACKAGE NX8503CG-CC FOR 155 Mb/s AND 622 Mb/s APPLICATIONS
FEATURES
PEAK EMISSION WAVELENGTH: λP = 1550 nm OPTICAL OUTPUT POWER: Pf = 2.0 mW LOW THRESHOLD CURRENT: ITH = 15 mA @ TC = 25°C InGaAs MONITOR PIN-PD WIDE OPERATING TEMPERATURE RANGE: TC = -10 to +85°C WITH SC-UPC CONNECTOR BASED ON TELCORDIA RELIABILITY
DESCRIPTION
NEC's NX8503BG-CC and NX8503CG-CC are 1550 nm Coaxial Module DFB (Distributed Feed-Back) laser diode with single mode fiber. Multiple Quantum Well (MQW) structure is adopted to achieve stable dynamic single longitudinal mode operation over a wide temperature range of -10 to +85°C. The module is ideal as a light source for Synchronous Digital Hierarchy (SDH) system, STM-1, log-haul L-1.2, L-1.3 and 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 15 13 0.050 0.030 -3 25 0.080 -1.6 2 MIN NX8300BG-CC, NX8300CG-CC TYP 2.0 1.1 15 1.6 25 50 100 40 60 0.130 0.150 MAX
ηd
∆ηd
Pf = 2.0 mW, TC = 25°C Pf = 2.0 mW Temperature Dependence of Differential Efficiency, ηd (@ TC °C) ∆ηd = 10 log ηd (@ 25 °...
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