Laser Diode by QD Laser

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The QLF1339-AA from QD Laser is a Quantum Dot Fabry-Perot Laser that operates at a wavelength of 1310 nm. It delivers a saturated output power of 6 mW and has a beam angle of 1.1 degrees. The laser has a forward current of 80 mA and a reverse voltage of 2 V. It has a spectral width of 4 nm and a rise/fall time of 0.05 nsec. The laser diode requires a DC supply of 1.4 V and has a threshold current of up to 12 mA. It is based on quantum dot technology and offers excellent stability at high temperatures, and has an excellent optical feedback tolerance that makes it ideal a light source for silicon photonics. The laser diode is available in a 5.6 mm TO-CAN package and is suitable for optical communication applications.

Product Specifications

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Product Details

  • Part Number
  • Manufacturer
    QD Laser
  • Description
    Fabry-Perot Laser Diode


  • Application
    Optical Communication
  • Application Industry
    Telecom and Datacom Applications

General Parameters

  • Configuration
  • Technology
    Fabry-Perot (FP), Quantum Dot Technology
  • Chip Technology
  • Operation Mode
    CW Laser
  • Wavelength
    1310 nm
  • Output Power
    6 mW
  • Spectral Width (FWHM)
    2.1 to 4 nm
  • Operating Voltage
    1.4 to 1.6 V
  • Operating Current
    28 to 45 mA
  • Reverse Voltage
    2 V
  • Threshold Current :
    8 to 15 mA
  • Slope Efficiency
    0.20 to 0.28 W/A
  • Package Type
  • Package
  • Lead Soldering Temperature
    230 Degree C
  • Rise/Fall Time
    0.05 ns
  • Type
    Free Space Laser Diode
  • Output Power (CW)
    0.006 W
  • Note
    LD Forward Current : 80 mA

Physical Properties

  • Dimension
    5.6 mm


  • Operating Temperature
    -10 to 85 Degree C
  • Storage Temperature
    -40 to 100 Degree C

Technical Documents

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