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269-1 Datasheet(PDF) 1 Page - Agere Systems |
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269-1 Datasheet(HTML) 1 Page - Agere Systems |
1 / 8 page 269-Type 14xx nm Pump Laser Module with Fiber Grating Data Sheet June 2001 Offering superior wavelength stability, the 269-type pump laser module with fiber grating is designed as a continuous- wave (CW) optical pump source for erbium-doped fiber ampli- fiers and Raman pump modules. Features s High-coupled rated output power up to 280 mW, CW s Available with fiber grating for wavelength stability (1420 nm—1510 nm) s Wide environmental range s Field-proven packaging technology s InGaAsP/InP high-power, strained multiple quan- tum-well (MQW) chip design s Internal thermoelectric cooler (TEC) s InGaAs PIN photodetector back-facet monitor s Single-mode and polarization-maintaining fiber pig- tails s Compact, 14-pin butterfly package s Industry compatible package and pinout Applications s Raman pump modules (RPM) s Erbium-doped fiber amplifiers (EDFA) Description The 269-type pump laser module with fiber grating represents a family of thermoelectrically cooled, high-power lasers. These modules utilize a fiber Bragg grating to achieve stable wavelength perfor- mance within the 1420 nm to 1510 nm range, over the full operating temperature range. They are designed as continuous-wave (CW) optical pump sources for dense wavelength-division multiplexing (DWDM) EDFA and Raman applications operating in the C- and L-bands. The 269-type laser modules with polarization-maintaining fiber are particularly suitable for use in RPM designs requiring the high-power combinations of multiple pumps. The laser optical spectrum is locked by the fiber grat- ing over a wide optical power range. The optical spectrum is very narrow and the peak wavelength is nearly insensitive to temperature variations and back reflections. The laser modules incorporate a high-power, quan- tum-well laser chip that achieves grating-stabilized fiber powers ranging to 280 mW. An integral thermoelectric cooler (TEC) stabilizes the laser at room temperature and, combined with a her- metic environment, allows the device to achieve high-power operation over the extended temperature range of 0 °C to 75 °C. An internal InGaAs PIN pho- todiode, mounted behind the laser diode, functions as the laser detector and monitors light emissions from the rear facet of the laser. The 269-type module is offered in a 14-pin, hermetic butterfly package. |
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