PGT20326

PGT 203 26 DFB/EA Laser Module for 2.5 Gb/s Applications Key Features L-band DFB CW source monolithicly integrated with an Electro Absorptionmodulator (EA) Hermetic, 14 pin butterfly package Single-mode fiber pigtail 4 GHz typical bandwidth -3 dBm output power Applications 2.5 Gb/s L-band Description The laser module, intended for L-band DWDM applications at OC-48/STM16, consists of a DFB laser with integrated absorption modulator mounted in a high speed package including isolator. Laser wavelengths are available according to the ITU-T grid. 1 PGT 203 26 7 10k 1 TEC 8 TOP VIEW 14 Figure 1. Block diagram 30.0 20.83 4.58 0.2 8.1 5.0 0.76 26.04 30.0 5.0 5.4 Pin 14 ø6.0 4xø2.7 8.89 12.7 7.38 Pin 1 7x0.5 6x2.54 Pin 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. Description Thermistor Thermistor Laser DC bias (+) Monitor (-) Monitor (+) TEC (+) TEC (-) NC NC GND GND EA modulation (-) GND GND Figure 2. Mechanical outline and pin description 2 PGT 203 26 Optical Characteristics Electrical and optical characteristics at recommended operating conditions, unless otherwise noted. Parameter Conditions Symbol Min Typ Max Unit Wavelength Output power Extinction ratio Dispersion penalty Side mode suppr.ratio Optical isolation BOL 2.5 Vpp @ 6500 ps/nm disp. λ Pout ER SMSR 1565 -3 10 35 30 1615 1.5 nm dBm dB dB dB dB Electrical Characteristics Parameter Conditions Symbol Min Typ Max Unit Operating Current Treshold Current Forward Voltage Refle...