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High-Speed Photoreceiver Modules, Fiber Coupled, OEM Package


  • 10 GHz, 25 GHz, and 40 GHz Models
  • Integrated Photodiode and Amplifier
  • Single Mode and Multimode Versions Available
  • Compact, Hermetic Package

RX10AF

SM, 10 GHz, 1250 - 1650 nm,
Female 2.92 mm Connector

RX25BF

MM, 25 GHz, 750 - 1650 nm,
Differential GPPO® Connectors

Related Items


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RX Series Operating Ranges
Click to Enlarge

While each RX Series model is designed and intended for operation over the specified wavelength range shown by the solid colored regions above, each will respond with reduced performance to optical inputs at shorter wavelengths, as shown by the partially transparent regions.

Features

  • Fiber-Coupled Receivers with Bandwidths up to 40 GHz
  • Available from Stock with FC/PC Connectors; Contact Tech Support for FC/APC Versions
  • AC-Coupled RF Outputs
  • Hermetically Sealed GaAs or InGaAs Detector Module
  • Two Fiber Pigtail Options:
    • OM4 (Ø50 µm Core) Multimode Fiber
    • SMF-28 Single Mode Fiber
  • 3.3 V Power Requirement (User Supplied)
  • Available Packaged in Ultrafast Receiver Instruments
  • Discounts for High-Volume Purchases Available; Contact OEM Sales with Inquiries

Thorlabs' RX Series of High-Speed Receivers combine a photodiode and transimpedance amplifier in a compact hermetic package with a pigtailed fiber input. Available with maximum bandwidths of 10 GHz, 25 GHz, or 40 GHz, they are designed for use as components in systems where the user needs a reliable, high-bandwidth detection device. See the specifications for each device below, including fiber type, spectral response, and conversion gain.

Ideally, these items should be mounted to a printed circuit board (PCB) that supplies power and control signals that are free of noise and spikes. The fiber pigtail allows the input to be routed to another location off the PCB. All these receivers use FC/PC connectors as standard, but FC/APC connectors are available upon request; please contact Tech Support with inquiries. The coaxial output connectors (2.92 mm or dual GPPO®, depending on device) allow for cables to be connected to the module and then routed to the follow-on hardware. The outputs are designed for 50 Ω coaxial cable and should be terminated into 50 Ω equipment to prevent electrical reflections. These high-speed photoreceiver modules are ESD sensitive, so observe proper storage and handling procedures (see the Operation tab for details).

The performance of each RX series ultrafast photoreceiver is factory tested, and a summary of the individualized test results is shipped with each receiver. For receivers purchased after January 16th, 2020, a file with both this summary sheet and supporting test data can be downloaded by clicking on the red Docs icon () next to the Item # and entering your device's serial number under "Download Serial Item Data." Data files for devices purchased before this date are available by contacting Tech Support. A sample of these results for the RX25BF ultrafast photoreceiver can be viewed here.

Webpage Features
info icon Clicking this icon below opens a window that contains full specifications and performance graphs for each item.
info icon Clicking this icon below allows you to download our standard support documentation for each item.

Janis Valdmanis, Ph.D. Optics
Ultrafast Optoelectronics
General Manager

We Design, Develop, and Manufacture
Equipment up to 70 GHz

Questions?

Demo Unit Requests?

Product Suggestions?

Custom or OEM Applications?

Contact Me
RF Receiver
Click to Enlarge

The RXM25AF Photoreceiver includes the RX25AF Ultrafast Photoreceiver Module.

ESD Sensitive Components: Please note that the components inside these modules are ESD sensitive. Take all appropriate precautions to discharge personnel and equipment before making any electrical connections to the unit. This especially applies to coaxial connecting cables that can accumulate capacitive charge.

Operation Guide for RX10 Series Photoreceivers

Please reference the drawing to the lower left for connectors and pin assignments; the diagram to the lower right depicts the internal elements of the photoreceiver. Unpack the unit carefully, making sure to take ESD precautions. For detailed operation procedures, refer to the spec sheet for each item #, accessible by clicking the Support Docs icon (Docs Icon) below.

  1. Mount the unit using the Ø2.1 mm mounting holes.
  2. Attach the 2.92 mm output of the unit to the measurement instrument using suitable cables or adapters. The measurement instrument must have a 50 Ω input and adequate bandwidth to resolve the high-speed signal from the detector.
  3. It is critical that the power up and power down sequence is performed correctly:
    1. Power-Up Sequence: Photodiode First, Then Amplifier
    2. Power-Down Sequence: Amplifier First, Then Photodiode
  4. Couple the optical input signal to the photoreceiver via the FC/PC connector after the photodiode and amplifier are biased. Ensure the average input optical power does not exceed 6 dBm.
  5. The DC photocurrent can be monitored using a resistor in series with the bias pin and a voltmeter across the resistor. Make sure that the voltage drop across the resistor does not reduce the bias on the module below its operating voltage.

Click to Enlarge

RX10 Series Internal Block Diagram Showing the Photodiode, Amplifier Stage, and RF Output
Component Schematic
Click to Enlarge

RX10 Series Device Schematic

Operation Guide for RX25 Series and RX40AF Photoreceivers

Please reference the drawing to the lower left for connectors and pin assignments; the diagram to the lower right depicts the internal elements of the photoreceiver. Unpack the unit carefully, making sure to take ESD precautions. For detailed operation procedures, refer to the spec sheet for each item #, accessible by clicking the corresponding Support Docs icon (Docs Icon) below. For pin assigments, click on the blue icons () in the tables below and go to the Pin-Out Connections tabs.

  1. Mount the unit using the M2.5 x 0.45 mounting holes. It is possible to use M2 screws for mounting if bypassing the M2.5 threads in the feet is desired.
  2. Attach the GPPO® RF outputs of the unit to the measurement instrument using suitable cables or adapters. The measurement instrument must have a 50 Ω input and adequate bandwidth to resolve the high-speed signal from the detector. If only one output is used the other output must be terminated with a high quality 50 Ω termination.
  3. See datasheet for the pin out and detailed instructions to bias the device. It is critical that the power up and power down sequence is performed correctly:
    1. Power-Up Sequence: Photodiode First, Then Amplifier, Then Control Pins
    2. Power-Down Sequence: Control Pins First, Then Amplifier, Then Photodiode
  4. Couple the optical input signal to the photoreceiver via the FC/PC connector. Ensure the average input optical power does not exceed 10 dBm.
  5. The DC photocurrent can be monitored using a resistor in series with the bias pin and a voltmeter across the resistor. Make sure that the voltage drop across the resistor does not reduce the bias on the module below its operating voltage.

Click to Enlarge

RX25AF, RX25BF, RX25DF, and RX40AF Internal Block Diagram Showing the Photodiode,
Amplifier Stages, Control Pins, and Differential RF Outputs
Component Schematic
Click to Enlarge

RX25DF, RX25AF, and RX40AF Device Schematic

Janis Valdmanis, Ph.D. Optics
Ultrafast Optoelectronics
General Manager

Custom and OEM Options

When your application requirements are not met by our range of catalog products or their variety of user-configurable features, please contact me to discuss how we may serve your custom or OEM needs.

Request a Demo Unit

Explore the benefits of using a Thorlabs high-speed instrument in your setup and under your test conditions with a demo unit. Contact me for details.

Contact Me
MX40B with cover removed
Click to Enlarge

The MX40B Digital Reference Transmitter

Design, Manufacturing, and Testing Capabilities

Thorlabs' Ultrafast Optoelectronics Team designs, develops, and manufactures high-speed components and instrumentation for a variety of photonics applications having frequency responses up to 70 GHz. Our extensive experience in high-speed photonics is supported by core expertise in RF/microwave design, optics, fiber optics, optomechanical design, and mixed-signal electronics. As a division of Thorlabs, a company with deep vertical integration and a portfolio of over 20,000 products, we are able to provide and support a wide selection of equipment and continually expand our offerings.

Our catalog and custom products include a range of integrated fiber-optic transmitters, modulator drivers and controllers, detectors, receivers, pulsed lasers, variable optical attenuators, and a variety of accessories. Beyond these products, we welcome opportunities to design and produce custom and OEM products that fall within our range of capabilities and expertise. Some of our key capabilities are:

  • Detector and Receiver Design, to 70 GHz
  • Fiber-Optic Transmitter Design, to 70 GHz
  • RF & Microwave Design and Simulation
  • Design of Fiber-Optic and Photonics Sub-Assemblies
  • High-Speed Testing, to 70 GHz
  • Micro-Assembly and Wire Bonding
  • Hermetic Sealing of Microwave Modules
  • Fiber Splicing of Assemblies
  • Custom Laser Engraving
  • Qualification Testing

Overview of Custom and Catalog Products

Our catalog product line includes a range of integrated fiber-optic transmitters, modulator drivers and controllers, detectors, pulsed lasers, and accessories. In addition to these, we offer related items, such as receivers and customized catalog products. The following sections give an overview of our spectrum of custom and catalog products, from fully integrated instruments to component-level modules.

Fiber-Optic Instruments

To meet a range of requirements, our fiber-optic instruments span a variety integration levels. Each complete transmitter includes a tunable laser, a modulator with driver amplifier and bias controller, full control of optical output power, and an intuitive touchscreen interface. The tunable lasers, modulator drivers, and modulator bias controllers are also available separately. These instruments have full remote control capability and can be addressed using serial commands sent from a PC.

  • Fiber-Optic Transmitters, to 70 GHz
  • Linear and Digital Transmitters
  • Electrical-to-Optical Converters, to 70 GHz
  • Modulator Drivers
  • Modulator Bias Controllers
  • C- and L-Band Tunable Lasers

Customization options include internal laser sources, operating wavelength ranges, optical fiber types, and amplifier types.

Fiber-Optic Components

Our component-level, custom and catalog fiber-optic products take advantage of our module design and hermetic sealing capability. Products include detectors with frequency responses up to 50 GHz, and we also specialize in developing fiber-optic receivers, operating up to and beyond 40 GHz, for instrumentation markets. Closely related products include our amplifier modules, which we offer upon request, variable optical attenuators, microwave cables, and cable accessories.

  • Hermetically-Sealed Detectors, to 50 GHz
  • Fiber-Optic Receivers, to 40 GHz
  • Amplifier Modules
  • Electronic Variable Optical Attenuators
  • Microwave Cables and Accessories

Customization options include single mode and multimode optical fiber options, where applicable, and detectors optimized for time or frequency domain operation.

Free-Space Instruments

Our free-space instruments include detectors with frequency responses around 1 GHz and pulsed lasers. Our pulsed lasers generate variable-width, nanosecond-duration pulses, and a range of models with different wavelengths and optical output powers are offered. User-adjustable repetition rates and trigger in/out signals provide additional flexibility, and electronic delay-line products enable experimental synchronization of multiple lasers. We can also adapt our pulsed laser catalog offerings to provide gain-switching capability for the generation of pulses in the 100 ps range.

  • Pulsed Lasers with Fixed 10 ns Pulse Duration
  • Pulsed Lasers with Variable Pulse Width and Repetition Rates
  • Electronic Delay Units to Synchronize NPL Series Pulsed Lasers
  • Amplified Detectors

Customization options for the pulsed lasers include emission wavelength, optical output powers, and sub-nanosecond pulse widths.


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10 GHz Amplified Photoreceiver Modules

Item # Full
Specs
Bandwidth Wavelength Range
(Photodiode Material)
Conversion
Gain
Fiber Pigtail RF
Connector
Package Instrument
Item #a
RX10DF info 40 kHz - 10 GHz 700 - 870 nm (GaAs) 210 V/W OM4b (MM) Female 2.92 mm 3 Pin RXM10DF
RX10CF info 700 - 870 nm (GaAs) 230 V/W SMF-28c (SM) RXM10CF
RX10BF info 750 - 1650 nm (InGaAs) 430 V/W OM4b (MM) RXM10BF
RX10AF info 850 - 1650 nm (InGaAs) 450 V/W SMF-28c (SM) RXM10AF
  • These OEM modules are also available in packaged instruments.
  • The OM4 fiber incorporated into this device is Thorlabs' GIF50E Graded-Index Multimode Fiber.
  • Compatible with SMF-28 Ultra fiber.
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
RX10DF Support Documentation
RX10DFCustomer Inspired! Multimode Photoreceiver Module, 700 - 870 nm, 40 kHz - 10 GHz, FC/PC
$2,800.00
Today
RX10CF Support Documentation
RX10CFCustomer Inspired! Single Mode Photoreceiver Module, 700 - 870 nm, 40 kHz - 10 GHz, FC/PC
$2,000.00
Today
RX10BF Support Documentation
RX10BFMultimode Photoreceiver Module, 750 - 1650 nm, 40 kHz - 10 GHz, FC/PC
$3,100.00
Today
RX10AF Support Documentation
RX10AFSingle Mode Photoreceiver Module, 850 - 1650 nm, 40 kHz - 10 GHz, FC/PC
$2,000.00
Lead Time

25 GHz Amplified Photoreceiver Modules

Item # Full
Specs
Bandwidth Wavelength Range
(Photodiode Material)
Conversion
Gain
Fiber Pigtail RF
Connectors
Package Instrument
Item #a
RX25DF info 500 kHz - 25 GHz 700 - 870 nm (GaAs) 60 - 5000 V/W OM4b (MM) Differential,
Dual GPPO®*
16 Pin RXM25DF
RX25BF info 750 - 1650 nm (InGaAs) 80 - 8000 V/W OM4b (MM) RXM25BF
RX25AF info 1250 - 1650 nm (InGaAs) 80 - 8000 V/W SMF-28c (SM) RXM25AF
  • These OEM modules are also available in packaged instruments.
  • The OM4 fiber incorporated into this device is Thorlabs' GIF50E Graded-Index Multimode Fiber.
  • Compatible with SMF-28 Ultra fiber.

*GPPO is a registered trademark of Corning.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
RX25DF Support Documentation
RX25DFMultimode Photoreceiver Module, 700 - 870 nm, 500 kHz - 25 GHz, FC/PC
$4,738.00
Today
RX25BF Support Documentation
RX25BFCustomer Inspired! Multimode Photoreceiver Module, 750 - 1650 nm, 500 kHz - 25 GHz, FC/PC
$5,700.00
Lead Time
RX25AF Support Documentation
RX25AFSingle Mode Photoreceiver Module, 1250 - 1650 nm, 500 kHz - 25 GHz, FC/PC
$3,708.00
Today

40 GHz Amplified Photoreceiver Module

Item # Full
Specs
Bandwidth Wavelength Range
(Photodiode Material)
Conversion
Gain
Fiber Pigtail RF
Connectors
Package Instrument
Item #a
RX40AF info 300 kHz - 40 GHz 1250 - 1650 nm (InGaAs) 100 - 3650 V/W SMF-28b (SM) Differential,
Dual GPPO®*
16 Pin RXM40AF

*GPPO is a registered trademark of Corning.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
RX40AF Support Documentation
RX40AFSingle Mode Photoreceiver Module, 1250 - 1650 nm, 300 kHz - 40 GHz, FC/PC
$6,489.00
Today
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