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Home/ Products/ PhotoDetectors/ Balanced photodetector/ InGaAs balanced photodetector/ Ultra low noise polarization diversity coherent receiving module 1510-1590nm UPDR series (1300/1060nm optional)/ Ultra-low noise polarization diversity coherent reception module UPDR-400M-A

    • Ultra-low noise polarization diversity coherent reception module UPDR-400M-A

    The ultra-low noise polarization diversity receiver module is designed for polarization-sensitive fiber optic sensing applications. This module coherently processes the two polarization states of the local oscillator and signal light separately, using two high-speed, low-noise balanced detectors for independent reception. It effectively solves the issue of coherent polarization states. This series is an upgrade of the original PDR series, significantly reducing the background noise, thereby providing higher signal-to-noise ratio for signal detection.

    Product features：High Bandwidth、 High Gain、 Ultra-low noise、 Built-in low-noise isolation power supply

    Part Number：--

    Application area：Fiber optic sensing、 Laser wind radar、 Optical coherence tomography、 Spectroscopy

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    Main parameters
  • Core parameters

  • Dimension Drawing
    • General Parameters

    General Parameters

    PN#

    UPDR-  100M-A

    UPDR-  200M-A

    UPDR-  300M-A

    UPDR-  400M-A

    UPDR-  500M-A

    UPDR-  800M-A

    UPDR- 1G-A

    UPDR- 1.2G-A

    UPDR- 1.5G-A

    UPDR- 2G-A

    UPDR- 2.5G-A

    Unit

    Wavelength

    1510~1590（1300±50nm；1060±50nm Optional）

    nm

    Bandwidth

    100M

    200M

    300M

    400M

    500M

    800M

    1G

    1.2G

    1.5G

    2G

    2.5G

    Hz

    Detector Responsivity

    0.95

    0.95

    0.95

    0.95

    0.95

    0.95

    0.95

    0.95

    0.95

    0.95

    0.95

    A/W@1550nm

    Transimpedance Gain

    30K

    30K

    30K

    20K

    10K

    30K

    30K

    30K

    30K

    30K

    30K

    V/A

    Input Light

    Local

    <5

    <5

    <5

    <5

    <5

    <5

    <5

    <5

    <5

    <5

    <5

    mW

    Signal

    300

    300

    300

    300

    300

    300

    300

    300

    300

    300

    300

    μW

    Polarization Extinction Ratio

    22

    22

    22

    22

    22

    22

    22

    22

    22

    22

    22

    dB

    NEP

    2.5

    2.5

    2.5

    2.9

    3.1

    3.1

    3.1

    3.1

    3.1

    3.1

    3.1

    pW/Sqrt(Hz)

    Power Supply Voltage

    5

    5

    5

    12

    12

    12

    12

    12

    12

    12

    12

    V

    Power Supply Current

    0.5(max)

    0.5(max)

    0.5(max)

    0.5(max)

    0.5(max)

    0.5(max)

    0.5(max)

    0.5(max)

    0.5(max)

    0.5(max)

    0.5(max)

    A

    Coupling Method

    DC/AC

    DC/AC

    DC/AC

    DC/AC

    DC

    AC

    AC

    AC

    AC

    AC

    AC


    Interface Type

    Electrical interface：SMA；fiber  connertor：FC/APC

    Fiber Type

    Local:PM；Signal:SM

    RF Output

    SMA

    Dimensions

    120*100*25mm

     

     

    Test Result

    1.1.png

    Polarization Diversity Coherent Reception Optical Circuit Diagram


    1.2.png

     Coherent signals of P-polarized and S-polarized states.


    1.3.png

     Comparison of the base noise between ultra-low noise polarization diversity and conventional polarization diversity

     

     

    Optional Configurations

    --

    Downloads

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