Passive Fiber Optic Components and Modules Manufacturer

Our designs have been qualified and deployed in space applications and are widely used in terrestrial and submarine telecommunications systems.
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  4. WDM Combo Double Laser Module 1310nm/1490nm or 1310nm/1550nm
WDM Combo Double Laser Module 1310nm/1490nm or 1310nm/1550nm

WDM combo double laser module Series use InGaAsP/InP MQW FP/DFB chip.They have features as follows: low noise,low distortion,high isolation excellent, reliability, high linearity and wide communication band. The laser diode is mounted into a coaxial package with single mode fiber pigtail, FC/UPC output.

Features
  • High-reliability MQW DFB laser chips
  • Built-in InGaAsp monitor PD
  • Low noise, low distortion Low threshold current
  • Integrated Optical Isolator
  • Coaxial Pigtail Package
Applications

Light source

Absolute Maximum Ratings
Parameter Symbol Min. Type. Max. Unit
Reverse voltage(LD) Vrl - - 2 V
Forward Current (LD) LfL - - 150 mA
Reverse voltage (monitor) Vrl - - 15 V
Reverse Current (monitor) Lrp - - 2 mA
Soldering Temperature(< 10sec.) Stemp - - 260 ℃
Storage Temperature Tstg -40 - 85 ℃
Operating Temperature Top -20 - 80 ℃
Electrical and optical characteristics
Parameter Symbol Min. Typical Max. Unit Notes
1310nm FP Laser
Output Power Po 1 2 - mW CW,If=Ith+20mA
Slope Efficiency SE 0.05 - - mW/mA -
Threshold Current Ith - 10 15 mA CW
Opersting Current If - 30 40 mA CW
Opersting Voltage Vf - 1.2 1.5 V CW
Monitor Current Im 100 - 900 uA Vrd=5V, If=Ith+20mA
Monitor Dark Current Id - 0.5 1 nA Vrd=5V
Cent Wavelength λc 1300 1310 1320 nm CW, If=Ith+20mA
Spectral Width Δλ - - 4 nm -3dB
Spectral Shift Δλ/ΔT - - 0.1 nm/℃ CW, If=Ith+20mA
Tracking Error TE -1.5 - 1.5 dB Im=const, TE=10log(P/2.0)
Return Loss ER 40 45 - dB CW
Isolation ISO 30 35 - dB Single Stage
1490nm DFB Laser
Output Power Po 1 2 - mW CW,If=Ith+20mA
Slope Efficiency SE 0.05 - - mW/mA -
Threshold Current Ith - 10 15 mA CW
Opersting Current If - 30 40 mA CW
Opersting Voltage Vf - 1.2 1.5 V CW
Monitor Current Im 100 - 900 uA Vrd=5V, If=Ith+20mA
Monitor Dark Current Id - 0.5 1 nA Vrd=5V
Cent Wavelength λc 1480 1490 1550 nm CW, If=Ith+20mA
Spectral Width Δλ - 0.2 1 nm -20dB
Side-Mode Suppression Ratio SMSR 35 - - dB Po=2mW,
Spectral Shift Δλ/ΔT - - 0.1 nm/℃ CW, If=Ith+20mA
Tracking Error TE -1.5 - 1.5 dB Im=const, TE=10log(P/2.0)
Return Loss ER 40 45 - dB CW
Isolation ISO 30 35 - dB Single Stage
1550nm FP Laser
Output Power Po 1 2 - mW CW,If=Ith+20mA
Slope Efficiency SE 0.05 - - mW/mA -
Threshold Current Ith - 10 15 mA CW
Opersting Current If - 30 40 mA CW
Opersting Voltage Vf - 1.2 1.5 V CW
Monitor Current Im 100 - 900 uA Vrd=5V, If=Ith+20mA
Monitor Dark Current Id - 0.5 1 nA Vrd=5V
Cent Wavelength λc 1540 1550 1560 nm CW, If=Ith+20mA
Spectral Width Δλ - - 4 nm -3dB
Spectral Shift Δλ/ΔT - - 0.1 nm/℃ CW, If=Ith+20mA
Tracking Error TE -1.5 - 1.5 dB Im=const, TE=10log(P/2.0)
Return Loss ER 40 45 - dB CW
Isolation ISO 30 35 - dB Single Stage
Pin Assignment
Dimensions
Inquiry Form
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