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    • 1200nm 60mW SM DFB laser diode with isolator

    Distributed feedback (DFB) and distributed Bragg reflector (DBR) laser diodes are light sources emitting an extremely narrow spectral line with a bandwidth below 5 MHz and typical side mode suppression ratio (SMSR) > 40 dB.GaAs-based DFB and DBR lasers utilize InGaAs quantum well (QW) or InAs/GaAs quantum dot (QD) active regions and proprietary chip designs, covering the spectral range from 970 nm to 1330 nm.To date, DFB and DBR lasers are common laser variants, especially for use in scientific research and operations.Both laser types operate in a single longitudinal mode and are highly reliable in terms of efficiency, spectral purity, and long-term performance across various applications.

    Product features：High stable output; single longitudinal mode narrow linewidth; wavelength stability; low noise performance; compact modular design

    Part Number：MP-DFB-1200-60-A81-14BF-SA-ISO

    Application area：Coherent optical communication | Fiber optic sensing | Precision measurement | Quantum optics | Scientific research instruments

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    Main parameters
  • Core parameters

  • Central Wavelength Output Power

    1200-1280nm 60mW

  • Dimension Drawing
    • General Parameters

    Specifications

    @ CW, Module mounted on heat sink at room temperature

    Parameter

    Min.

    Typ.

    Max.

    Unit

    Chip Temperature

    20

    25*

    40

    ℃

    Forward Current

    —

    350

    400

    mA

    Output Power**

    10

    —

    60

    mW

    *May vary depending on selected wavelength in some cases**No kinking over full operating range

     

    Characteristics

    @ CW, 25℃*, 350 mA

    Parameter

    Min.

    Typ.

    Max.

    Unit

    Output Power @ 220 mA

    60

    —

    —

    mW

    Forward Voltage

    —

    1.7

    3.5

    V

    Threshold Current

    —

    50

    90

    mA

    Peak Wavelength** (customer selectable)

    1200

    —

    1280

    nm

    Peak Wavelength Tolerance

    —

    —

    ±1

    nm

    Wavelength Tuning vs. Temperature

    —

    120

    —

    pm/℃

    Wavelength Tuning vs. Current

    —

    2

    —

    pm/mA

    Side Mode Suppression Ratio (SMSR)

    40

    50

    —

    dB

    Linewidth (self-heterodyne @ 80 MHz)

    —

    1

    5

    MHz

    Polarization Extinction Ratio (PER)

    15

    18

    —

    dB

    Polarization

    —

    TE

    —

    —

    *Temperature may vary from 20 to 40℃ depending on selected wavelength in some cases

    **Achievable within wavelength tolerance at output power > 60 mW

     

    Typical Performance (For Reference Only)

    Light Current Voltage Characteristics

    image.png


    Optical Spectra vs Temperature (resolution: 10 pm)

    image.png


    Peak Wavelength Tuning by Current

    image.png 


    RF line Spectrum

    image.png 

     


    Absolute Maximum Ratings

    Parameter

    Min

    Max

    Unit

    Forward Current

    —

    450

    mA

    Reverse Voltage

    —

    2

    V

    TEC Current

    —

    3

    A

    TEC Voltage

    —

    4

    V

    Chip Operating Temperature

    5

    50

    ℃

    Case Operating Temperature

    0

    70

    ℃

    Storage Temperature

    -40

    85

    ℃

    Fiber Bend Radius

    3

    —

    cm

     

    General Parameters

    Thermistor Specifications

    Fiber Specifications

    Parameter

    Value

    Unit

    Parameter

    PM980

    HI1060

    Unit

    Thermistor Type

    NTC

    —

    Numerical Aperture, typical

    0.12

    0.14

    —

    Resistance @ 25 °C

    10 ± 0.1

    kΩ

    Cutoff Wavelength

    900 ± 70

    920 ±50

    Nm

    Beta (25–85 °C)

    3434 ± 1%

    K

    Mode Field Diameter (@ 1060 nm)

    6.6 ± 0.3

    6.2 ± 0.3

    μm

    3.1.png 

    Cladding Diameter

    125±1

    125±1

    μm

    Coating Diameter

    245±15

    245±15

    μm

    Loose Tube Diameter (Optional)

    900

    900

    μm

    Connector

    FC/APC (narrow key)

    Connector Alignment aligned with PANDA fiber

    image.png 

    Output light is polarized along the slow axis of the PM fiber.

     

    Typical Parameters of Fiber-Coupled DFB Laser Modules

    Part Number

    Integrated Optical Isolator¹

    Peak Wavelength Range²

    Output Power

    Operating Current

    Threshold Current

    SMSR

    Wavelength Tuning vs. Temp

    Wavelength Tuning vs. Current

    PER



    nm

    mW

    mA

    mA

    dB

    pm/K

    pm/mA

    dB

    MP-DFB-9XX-YY-30

    No

    968 – 986

    30

    100

    20

    55

    90

    1.5

    18

    MP-DFB-10XX-YY-50

    No

    1020 – 1120

    50

    200

    30

    55

    100

    2

    18

    MP-DFB-10XX-YY-30-VO (New)

    Yes

    1020 – 1120

    30

    200

    30

    55

    100

    2

    18

    MP-DFB-11XX-YY-50

    No

    1120 – 1200

    50

    300

    30

    50

    110

    2

    18

    MP-DFB-11XX-YY-30-VO (New)

    Yes

    1120 – 1200

    30

    300

    30

    50

    110

    2

    18

    MP-DFB-12XX-YY-50

    No

    1200 – 1280

    50

    350

    50

    50

    120

    2

    18

    MP-DFB-12XX-YY-60-VO (New)

    Yes

    1200 – 1280

    60

    350

    50

    50

    120

    2

    18

    MP-DFB-13XX-YY-50

    No

    1280 – 1330

    50

    350

    50

    50

    120

    2.5

    18

    MP-DFB-13XX-YY-60-VO (New)

    Yes

    1280 – 1330

    60

    350

    50

    50

    120

    2.5

    18

    MP-DFB-13XX-YY-100-VO (New)

    Yes

    1280 – 1330

    100

    800

    60

    50

    120

    4

    18

    Notes

    1 Free-space optical design

    2 Any wavelength within this range is available with ±1 nm tolerance

     

    Safety and Operating Instructions

    The device emits invisible light that may be harmful to human eyes. Avoid direct eye exposure to the fiber connector during operation. When operating with the connector open, appropriate laser safety goggles must be worn.

    Absolute maximum ratings shall be applied to the device only for short periods. Prolonged exposure to maximum ratings or exposure to more than one maximum rating may damage the device or degrade its reliability. Operation beyond the absolute maximum ratings may result in device failure or safety hazards.

    A suitable power supply must be used to ensure the maximum forward current is not exceeded.

    The device requires a proper heat sink. It must be mounted using 4 screws (cross-tightened with an initial torque of 0.075 Nm and final torque of 0.15 Nm) or a clamp. Flatness deviation of the heat sink surface must be less than 0.05 mm. Indium foil or soft thermally conductive material is recommended as the thermal interface between the package base and heat sink. Thermal grease is not recommended.


    Optional Configurations

    --

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  • Product title: 1200nm 60mW SM DFB laser diode with isolator
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