2
PRELIMINARY DATA SHEET | DECEMBER 30, 2005
ORTEL, A division of EMCORE
Model 1772 DWDM High Power
CW Source Laser
Absolute Maximum Ratings
Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are absolute
stress ratings only. Functional operation of the device is not implied at these or any other conditions in excess of those
given in the operational sections of the data sheet. Exposure to absolute maximum ratings for extended periods can
adversely affect device reliability.
Parameter Symbol Condition Min Max Units
Operating Case Temperature TOP continuous -20 +65 °C
Storage Temperature TSTG continuous -40 +85
°C
Laser Forward dc Current - continuous - 400 mA
Photodiode Reverse Voltage VR,MPD continuous - 10 V
Laser Reverse Voltage - continuous - 2 V
TEC current ITEC continuous - 1.7 A
ESD -
HBM: R = 1500 Ω, C = 100 pF -500 500 V
Electrical/Optical Characteristics
Parameter Symbol Condition Min Typ Max Unit
Operating Case Temperature1 T
op - -20 25 65
°C
Optical Output Power PO 40 mW version, T = Tset, IF = IOP
50 mW version, T = Tset, IF = IOP
63 mW version, T = Tset, IF = IOP
40
50
63
-
-
-
-
-
- mW
Threshold Current ITH BOL - - 30 mA
Operating Current IOP
40 mW version, BOL
50 mW version, BOL
63 mW version, BOL
-
-
-
-
-
-
300
325
350 mA
Laser Bias Forward Voltage VOP BOL, IF = IOP - - 2.5 V
Slope Efficiency η
40 mW version
50 mW version
63 mW version
0.12
0.14
0.17
-
-
-
-
-
- W/A
Wavelength λOP T = Tset, IF = IOP See Page 4 nm
Spectral Linewidth Δλ T = Tset, IF = IOP, FWHM - - 1.0 MHz
Optical Isolation ISO - 32 - - dB
Optical Return Loss ORL - 40 - - dB
Sidemode Suppression Ra tio SMSR - 30 - - dB
Polarization Extinction Ratio PER IF = IOP 17 - - dB
Wavelength Drift Over TC Range ΔλTOP T = T OP - - 40 pm
Relative Intensity Noise RIN - - - -163 dB/Hz
Monitor PD Current IMPD IF = IOP , VMPD = -5 V 100 - 2500
μA
Monitor PD Dark Current ID IOP = 0 mA , VMPD = -5 V - - 0.2 μA
Thermistor Resistance RTH TOP = 25 °C 9.5 10.0 10.5 KΩ
Thermistor Temp. Coefficients TCTH TOP = 25 °C - -4.4 - %/°C
TEC Current ITEC -20°C < T C < +65 °C -1.0 - +1.5 A
TEC Voltage VTEC -20°C < TC < +65 °C -2.0 - +3.0 V