1550nm 1mw-3mw DFB Pigtail Laser Diode Module

1550nm 1mw-3mw DFB Pigtail Laser Diode Module
1550nm 1mw-3mw DFB Pigtail Laser Diode Module
1550nm 1mw-3mw DFB Pigtail Laser Diode Module

The 1550nm 1mw-3mw DFB pigtail laser diode module has an excellent simulation performance due to the use of a DFB chip. The output power is controlled between 1 to 3 mw based on customer needs, making it ideal for use in CATV, digital and analog signal transmission.

Absolute Maximum Ratings
Parameter Symbol Min. Max. Unit Test Condition
Storage Temperature Tstg -40 100 °C -
Operating Temperature Top -40 85 °C -
Forward Current(LD) If(LD)
150 mA
Reverse Voltage(LD) Vr(PD)
2 V CW cw
Forward Current(PD) If(LD)
2 mA
Reverse VoItage(PD) Vr(PD)
15 V
Soldering Temp - - 260 °C - s
Soldering Time - - 10 s
Optical & Electrical Characteristics
Parameter Symbol Min. Typ. Max. Unit Test Condition
Rated Power Po 6 8 10 mW Ith+40mA
Slope Efficiency SE
0.15 0.2 mW/mA
Threshold Current Ith
10 15 mA -
Operating Current Iop
50 70 mA
Forward Voltage Drop Vop - 1.0 1.2 V CW, Ith+40mA
Cent Wavelength λc 1540 1550 1560 nm -
Spectrum Width(-3dB) Δλ - 0.5 1 nm Ith+40mA
Side-mode Suppression Ratio SMSR 35
- dB -
Bandwidth Bw
2.5
GHz
Monitor Current Im 100
1200 uA CW, Ith+40mA
Dark Current of Monitor Id - - 100 nA 5V
Optical Isolation(Single stage) ISO 35 40 - dB
Optical Isolation(Double stage) ISO 45 50 - dB
Return loss RL

-45 dB
Analog Characteristic index
Relative Intensity Noise RIN - -155 -150 dB/Hz -
RF Bandpass Flatness BF
±1.5
dB
Third-order Distortion IMD3 - -55 - dBc
Carrier Noise Ratio CNR 51 - - dB Note 1
Composite Second Order CSO - - -57 dBc
Composite Triple Beat CTB - - -65 dBc

Note :
① If=Iop, Optical Modulation, Index=3.2%/channel (minimum),60 PAL-D unmodulated carries (47 to 550MHz), 10km singlemode fiber, -1dBm received power, Receiver responsivity=0.85A/W.

② If=Iop, Optical Modulation Index=3.2%/channel (minimum), CNR, CSO, CTB tested value at worst case over all test frequencies. NTSC 120ch., 10km singlemode fiber, -1dBm received power, Receiver responsivity=0.85A/W

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