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High-Speed Optical Transmitters


  • Analog Operation up to 20 GHz & Digital Operation up to 40 Gb/s
  • Integrated RF Driver Amplifier, Modulator, and Automatic Bias Control
  • Integrated C-Band Tunable Laser and Automatic Power Control
  • Accepts External Lasers from 1250 to 1610 nm

MX10C

Optical Transmitter with
12.5 Gb/s Phase Modulator

MX40B

Optical Transmitter with
40 Gb/s Intensity Modulator

Touch-Panel Interface for Device Control

Related Items


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High-Speed Optical Transmitter
Click to Enlarge

Each transmitter, such as the MX40B shown here, can be controlled through the touch-panel interface using either your finger or a stylus. Alternatively, the large black knob can be used to adjust and confirm settings, including an option to turn off or alter the color of the accent lights.

10 Gb/s Eye Diagram for MX10B

40 Gb/s Eye Diagram for MX40B
Optical Transmitter Block Diagram
Click for Details

This block diagram outlines the internal setup of the high-speed optical transmitters.
For more information about the control of the internal devices provided by
the GUI interface, see the Operation tab.

Features

  • All-in-One High-Speed Optical Transmitters
    • Intensity or Phase Modulator
    • Modulator Driver
    • Telecom-Grade Tunable Laser
  • Digital or Analog (Linear) Operation
    • 12.5 Gb/s or 40 Gb/s Maximum System Bit Rate
    • 7 GHz or 20 GHz Maximum Analog Bandwidth
  • Integrated Laser Tunable on ITU 50 GHz Grid
    • C-Band Available from Stock
    • L-Band Available upon Request (Contact Tech Support)
  • Accepts External Laser Sources from 1250 to 1610 nm
  • Versions with Intensity Modulators Include Manual or Automatic Bias Control
    • Peak, Null, Quadrature, or Manual Set Points
    • Dither Tone or Ditherless Operation Selectable by the User
  • RF Amplifier with Amplitude and Eye-Crossing Controls
  • Built-In Variable Optical Attenuator (VOA) for Automatic or Manual Power Control
  • External Loop-Back Cables Support Custom Configurations
  • Intuitive Touchscreen Interface to Control Signal Generation
  • Custom Configurations Available by Contacting Tech Support

Thorlabs' High-Speed Optical Transmitters are designed to provide fully integrated, user-configurable solutions for high-speed light modulation. Each unit includes a lithium-niobate modulator, integrated modulator driver, and telecom-grade C-band laser. Versions with an integrated L-band tunable laser are also available upon request (contact Tech Support). An external laser source can be used in place of the integrated laser when operating at other wavelengths within the 1250 to 1610 nm operating wavelength range. These instruments are ideal for use either in an R&D laboratory or in a manufacturing environment for creating optical links, performing experiments requiring fast optical modulation, or testing other components. They are capable of many modulation formats including RZ, NRZ, OOK, BPSK, DPSK, PAM4, and RF signal generation.

The instruments below integrate either a phase or intensity modulator that can operate up to speeds of 12.5 Gb/s or 40 Gb/s (model dependent). All instruments allow the user to select analog or digital modulation. Intensity modulators include bias control with peak, null, and quadrature set points. Users can select whether to use the automatic bias control with or without dither (see the Operation tab for more information).

The internal C-band tunable laser that can be tuned over a range of 1527.6 nm - 1565.5 nm (191.50 THz - 196.25 THz) on the ITU 50 GHz grid. A dither feature is available to stabilize the wavelength (see the Operation tab for more information). All models also include a series of power monitors at the laser input, modulator output, and final optical output, as well as a variable optical attenuator, for fully automatic monitoring and control of optical power along the entire optical path. The analog power monitors can be accessed through the I/O port on the back panel of the instrument.

For further flexibility, the laser source and modulator are connected with an external loop-back cable, allowing users to patch in their own laser. When an external light source is used, each transmitter can operate at wavelengths from 1250 nm through 1610 nm. The desired system wavelength can be set through the Utility Menu from the home screen, which enables the use of the internal calibrated power monitors at 1310 nm, 1550 nm, or 1590 nm. The laser input port uses PM fiber with light linearly polarized along the slow axis (aligned to the connector key) and can accept a maximum input power of 20 dBm (100 mW). Each fiber bulkhead accepts FC/PC connectors.

The MX10B and MX10C also include an external loop-back cable for the driver RF output and modulator RF input ports, so that an external driver can be used if desired (see the Front & Back Panel tab for details). The RF ports on the MX10B and MX10C accept SMA connectors, and the RF ports on the MX40B and MX40C accept 2.92 mm (K™) connectors.

The unit is operated through an intuitive touchscreen interface, which allows the amplifier, VOA, and laser to be turned on and off, as well as the settings to be adjusted. For more information on the touchscreen interface, please see the Operation tab.

K™ is a trademark of Anritsu.

Item # MX10B MX10C MX40B MX40C
System
Internal Laser Wavelength Rangea 1527.6 -1565.5 nm (C-Band)
External Laser Wavelength Range 1250 nm - 1610 nm
Power Calibration Points 1310 nm, 1550 nm, and 1590 nm
Maximum Laser Output Power 13.5 dBm (Typical)
Maximum Optical Input Power
(from External Laser)
20 dBm (Max)
22 dBm (Absolute Max)
Maximum Bit Rate (Digital Signal) 12.5 Gb/s 40 Gb/s
Optical Extinction Ratio 13 dB at Max Bit Rate
Amplifier RF Input (Analog Mode)b 100 mV (Max) 120 mV (Max)
Amplifier RF Input (Digital Mode)c 400 mV (Typical)
3.5 V (Max)
4 V (Absolute Max)
400 mV (Typical)
4 V (Max)
6 V (Absolute Max)
Amplifier DC Input (Maximum)d ±15 V ±10 V
Amplifier RF Output Swingc,e 3 V - 7 V (Adjustable Swing) N/A
Modulator RF Inputc,e 5.5 V (Typical)
7 V (Max)
10 V (Absolute Max)
N/A
Optical Insertion Loss (Typical)f 5.0 dB (1550 nm)
7.0 dB (1310 nm)
4.5 dB (1550 nm)
6.5 dB (1310 nm)
5.0 dB (1550 nm)
7.0 dB (1310 nm)
5.0 dB (1550 nm)
7.0 dB (1310 nm)
Internal Optical Fiber PM Ports: PM Panda-Style Fiber
SM Port: SMF-28-Compatible Fiber
Fiber Connectors FC/PC, 2.0 mm Narrow Key
Internal Modulator
Type Intensity Phase Intensity Phase
Electro-optic Bandwidth (-3 dB) 14 GHz 10 GHz 35 GHz 35 GHz
DC Optical On/Off Extinction Ratio 20 dB N/A 20 dB N/A
RF Drive Voltage (Vπ)g 5.5 VPP 4.5 VPP 5.5 VPP 7.0 VPP
Insertion Lossf 4.0 dB (1550 nm)
6.0 dB (1310 nm)
3.5 dB (1550 nm)
5.5 dB (1310 nm)
4.0 dB (1550 nm)
6.0 dB (1310 nm)
4.0 dB (1550 nm)
6.0 dB (1310 nm)
Internal Amplifier
Rise/Fall Timeh 35 ps 8 ps
RF Amplifier Gain 34 dB 30 dB
Analog Bandwidth
(Small Signal)i
7 GHz 20 GHz
RF Amplifier Maximum
Output Voltage Swing
3 V - 7 V (Adjustable)
Low Frequency Cutoff 100 kHz
Electrical Return Loss -10 dB (Any RF Port, Typical)
Internal Control
Power Monitor Accuracyj ±0.5 dBm at Power Calibration Points
Power Monitor Resolutionj 0.01 dBm
Power Monitor Insertion Loss 0.1 dB (Typical) per Monitor
VOA Insertion Loss 0.4 dB (Typical)
VOA Resonse Time 1 s
  • Tunable in 50 GHz steps.
  • <5% Total Harmonic Distortion (THD) at 1 GHz
  • Peak to Peak
  • Input is AC-coupled.
  • This specification is quoted only for the MX10B and MX10C. The external loop-back between the output of the RF amplifier and the internal modulator is accessible to the operator on these units, but the connection is made directly inside the housing on the MX40B and MX40C.
  • Laser IN to Optical OUT. Insertion Loss at 1310 nm is typically 2 dB higher than at 1550 nm.
  • At 1 GHz
  • Large Signal, Digital Response
  • Linear, Analog Response
  • Applies to all three internal monitors.
Internal Laser Specifications
Parameter Unit Min Typical Max
Wavelength Range (C-Band)a nm 1527.6 - 1565.5
Frequency Range (C-Band)a THz 191.50 - 196.25
Output Optical Power dBm 12.5 13.5 14.5
Frequency Accuracy GHz -1.5 - 1.5
Tuning Resolution GHz - 50 -
Tuning Speed
(Between Wavelengths)
secs - 10 -
SMSRb dB 40 55 -
OSNRc dB 40 60 -
Intrinsic Linewidth kHz - 10 15
RINd dB/Hz - - -145
Back Reflection dB - - -14
Polarization Extinction Ratio dB 18 - -
  • C-band laser included standard in all models. L-band version available upon request by contacting Tech Suppport.
  • Side Mode Suppression Ratio
  • Optical Signal Noise Ratio
  • Relative Intensity Noise, i.e., the noise in the optical intensity or power normalized to its average value.
Power and Environmental Specifications
Parameter Min Max
Main AC Voltage 100 VAC 250 VAC
Power Consumption - 60 VA
Line Frequency 50 Hz 60 Hz
Operating Temperature 10 °C 40 °C
Storage Temperature 0 °C 50 °C
Humiditya 5% Relative Humidity 85% Relative Humidity
  • Non-Condensing Environment
C-Band Laser Performance
Click to Enlarge

FM Noise Spectrum of the integrated tunable laser. The dither function helps stabilize the wavelength. Turning the dither off provides for lower noise.
C-Band Laser Performance
Click to Enlarge
 
Response Function of the EO Modulator and Amplifier

The block diagram shows the main internal features of this microcontroller-driven transmitter box. The internal C-band laser is routed via the front panel loop-back and Monitor 1 to the internal modulator. The output of the modulator then passes through the VOA-based power control system on its way to the output on the front panel. All versions of the transmitter include a high-performance RF amplifier for driving the modulator. Automatic bias control is added for those models that utilize intensity modulators (Item #s ending in B). An RF loop-back is provided on the MX10 versions to allow external modulator drivers to be used. The rear panel provides several additional monitor and control functions.

Optical Transmitter Block Diagram
A Block Diagram of the Internal Setup of the High-Speed Optical Transmitters

Touchscreen Interface

These instruments can be fully controlled by using the resistive touchscreen display for all functions. Either your finger or a plastic stylus can be used to make selections on the screen. Additionally, the knob on the front panel of the housing can be used in place of the on-screen arrow buttons for quickly changing set-point values. Pressing (clicking) the knob will confirm a new set-point value.

Optical Transmitter Main Menu
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Home Screen of the MX10C
Optical Transmitter Main Menu
Click to Enlarge

Home Screen of the MX10B

Home Screen
The home screen is organized in three main sections.

  • Left Column:
    • Buttons show the on/off status of the different instrument functions.
    • Tap a button to toggle the function on/off.
  • Middle Column:
    • Current operating parameters of each control function are shown.
    • Tap in this column to access the Settings page for each function.
  • Right Column:
    • Buttons provide access to various utility and help functions.
    • Tap to review and customize system settings.

The basic layout can be seen in the screenshots to the right. The green dot that appears in the upper-right of the center column panels indicates that those functions are stable. The dot will blink if that function is still stabilizing. Neither the MX10C nor the MX40C include a bias control section, as these units each contain a phase modulator that does not require bias to be applied.

System Wavelength
Click to Enlarge

System Wavelength Selection Screen

System Wavelength Setting
The System Wavelength may be selected on the Menu page, shown to the right. The choice of system wavelength specifies which calibration settings to apply to the intensity monitors in the modulator driver. The MX instruments can be used at wavelengths anywhere between 1250 nm and 1610 nm, but the power monitors are only calibrated at three main wavelengths: 1310 nm, 1550 nm, and 1590 nm. These wavelengths represent the centers of the O-Band, C-Band, and L-Band and therefore provide the user with accurate power readings at or near those wavelengths.

Optical Transmitter Laser
Click to Enlarge

Laser Settings Screen

Laser Settings
Each instrument includes a C-band* telecom-style laser that is tunable on the ITU 50 GHz grid. The laser also includes a dither function to aid in stabilizing the wavelength. In the short term, turning the dither off will result in lower phase and intensity noise; however, the wavelength may drift slightly over time. The noise performance of the laser with and without dither can be seen on the Graphs tab. The laser settings screen allows the dither and wavelength settings to be controlled, and also provides a readout of many of the laser operating parameters. 

*L-band telecom-style laser available upon request by contacting techsupport@thorlabs.com.

Optical Transmitter Amplifier
Click to Enlarge

Amplifier Settings Screen

Amplifier Settings
Each transmitter includes a high-performance RF amplifier that provides a fixed gain to a user-supplied input signal. This signal is then routed to the RF input port of the modulator via the front panel loop-back cable. Users can select analog or digital operating mode for the amplifier. Analog operation allows for maximum linear modulation with low distortion. In digital mode, both the output swing and crossing point can be adjusted by the user while the gain is held constant. This adjustment allows the bit-error-rate (BER) performance to be optimized by adjusting the amplifier’s internal threshold levels.

Intensity Modulator Bias Control
Click to Enlarge

Bias Settings Screen (Intensity Modulators Only)

Click to Enlarge

The bias points for an intensity modulator.

Bias Settings (MX10B and MX40B Models Only)
Units that include an intensity modulator provide four modes for bias control. Users can select whether to use the null, peak, or quadrature point of the transmission function as the set point (as shown in the graph to the right). Additionally, a manual mode allows the user to select any point of the transmission function to be used as the set point for the modulator bias.

These instruments can also provide bias control with or without a dither tone. For bias control with dither, users can select the amplitude and frequency that work best with their applications. For applications that require the highest SNR, the dither tone can be turned off. In this case, the bias will simply be held at the previous bias voltage. For longer term measurements, the Manual Constant Ratio mode provides another option for stabilizing the bias point. This mode operates by holding the ratio of modulator input light (monitor 1 in the block diagram above) to modulator output light (Monitor 2) at a constant, user-set value.


Click to Enlarge

VOA Settings Screen

VOA Settings
In this page, the user can control the optical output power via the Variable Optical Attenuator (VOA). The VOA can be operated in one of two modes: Constant Attenuation or Constant Output Power. In Constant Attenuation mode, the attenuation level between the output of the modulator and the output of the entire unit remains fixed, allowing power changes at the input to be transferred to the output. In Constant Output Power Mode, the final optical output power is held constant independent of the input fluctuations. In this mode, the VOA is effectively used as a power stabilizer.

Rear Panel

The rear panel provides additional safety and utility functions such as the laser safety interlock and the power monitor output, RS-232, and USB ports. The USB interface is currently used only for firmware upgrades that are made available on Thorlabs website. Future revisions of the firmware will provide for remote control of the instrument's functions.

All units are shipped from Thorlabs with a shorting device that is already installed in the interlock connector, thus allowing the instrument to be operated normally right out of the box. To make use of the interlock feature, a 2.5 mm plug can be wired to the remote interlock switch and plugged into the back-panel interlock jack in place of the shorting plug. Electrical specifications for this function are provided in the manuals, which can be accessed by clicking on the red document icons () below.

Front Panels


Click to Enlarge

MX10B Optical Transmitter Front Panel
The format of this front panel is the same for the MX10C.
Callout Description
1 Touchscreen Display and Control
2 Value Adjustment Knob
3 Key Switch and Indicator Light for Internal Laser
4 Earth Ground Port for ESD Wrist Strap Banana Plug
5a Laser Out for Internal Laser Source,
Accepts PM Fiber with FC/PC Connector
6a Laser In to Modulator,
Accepts PM Fiber with FC/PC Connector
7b Optical Out: Final Output from Modulator
8 Amplifier Out: Signal from Internal Amplifier, SMA Female
9 Modulator RF In: Signal to Modulator, SMA Female
10 Amplifier RF In: Signal Input to Amplifier, SMA Female
11 On/Standby Button
  • Uses PM Panda Fiber for Internal Connection
  • Uses SMF-28-Compatible Fiber for Internal Connection

Click to Enlarge

MX40B Optical Transmitter Front Panel
The format of this front panel is the same for the MX40C.
Callout Description
1 Touchscreen Display and Control
2 Value Adjustment Knob
3 Key Switch and Indicator Light for Internal Laser
4 Earth Ground Port for ESD Wrist Strap Banana Plug
5a Laser Out for Internal Laser Source,
Accepts PM Fiber with FC/PC Connector
6a Laser In to Modulator,
Accepts PM Fiber with FC/PC Connector
7b Optical Out: Final Output from Modulator
8 Amplifier RF In: Signal Input to Amplifier, K™ Female
9 On/Standby Button
  • Uses PM Panda Fiber for Internal Connection
  • Uses SMF-28-Compatible Fiber for Internal Connection

Back Panel


Click to Enlarge

The back panel format is the same for all of the high-speed optical transmitters below.
Callout Description
1a I/O Control Port
Outputs from Three Integrated Power Monitors
2 Laser Interlock Jack
3a RS-232 Control Port
4 USB Port (Type B)
5 AC Power Cord Connector
6 Fuse Tray
7 AC Power Switch
  • See the Pin Diagrams tab for pin assignments.

 I/O DB15 Connector


The I/O connector provides analog outputs from the three power monitors.
Pin Description Pin Description
1 Power Monitor 1 9 Analog Ground
2 Power Monitor 2 10 Analog Ground
3 Power Monitor 3 11 Reserved for Future Use
4 Reserved for Future Use 12 Reserved for Future Use
5 Analog Ground 13 Monitor 1 Gain Indicator
6 Analog Ground 14 Monitor 2 Gain Indicator
7 Analog Ground 15 Monitor 3 Gain Indicator
8 Analog Ground - -

RS-232 Connector


The RS-232 connector is included to support future remote operation that will be enabled by future firmware upgrades.
Pin Description
1 Not Connected
2 RS232 Input
3 RS232 Output
4 Not Connected
5 Digital Ground
6 Not Connected
7 Not Connected
8 Not Connected
9 Not Connected

USB Type B Connector

USB type B
The USB connector is provided for firmware upgrades and future remote operation.

Each High-Speed Optical Transmitter Includes:

  • Optical Transmitter Main Unit
  • Power Cord According to Local Supply (Determined by Ordering Location)
  • PM Loop-Back Fiber Optic Cable
  • SMA Loop-Back RF Cable
  • Interlock Keys for Front Panel
  • 2.5 mm Interlock Pin (Pre-installed in Back Panel)
  • 1.25 A, 250 VAC Fuse
  • USB Type A to Type B Cable, 6' Long

Laser Safety and Classification

Safe practices and proper usage of safety equipment should be taken into consideration when operating lasers. The eye is susceptible to injury, even from very low levels of laser light. Thorlabs offers a range of laser safety accessories that can be used to reduce the risk of accidents or injuries. Laser emission in the visible and near infrared spectral ranges has the greatest potential for retinal injury, as the cornea and lens are transparent to those wavelengths, and the lens can focus the laser energy onto the retina. 

Laser Barriers Laser Safety Signs
Laser Glasses Alignment Tools Shutter and Controllers
Laser Viewing Cards Blackout Materials Enclosure Systems

Safe Practices and Light Safety Accessories

  • Thorlabs recommends the use of safety eyewear whenever working with laser beams with non-negligible powers (i.e., > Class 1) since metallic tools such as screwdrivers can accidentally redirect a beam.
  • Laser goggles designed for specific wavelengths should be clearly available near laser setups to protect the wearer from unintentional laser reflections.
  • Goggles are marked with the wavelength range over which protection is afforded and the minimum optical density within that range.
  • Laser Safety CurtainsLaser Barriers and Blackout Materials can prevent direct or reflected light from leaving the experimental setup area.
  • Thorlabs' Enclosure Systems can be used to contain optical setups to isolate or minimize laser hazards.
  • A fiber-pigtailed laser should always be turned off before connecting it to or disconnecting it from another fiber, especially when the laser is at power levels above 10 mW.
  • All beams should be terminated at the edge of the table, and laboratory doors should be closed whenever a laser is in use.
  • Do not place laser beams at eye level.
  • Carry out experiments on an optical table such that all laser beams travel horizontally.
  • Remove unnecessary reflective items such as reflective jewelry (e.g., rings, watches, etc.) while working near the beam path.
  • Be aware that lenses and other optical devices may reflect a portion of the incident beam from the front or rear surface.
  • Operate a laser at the minimum power necessary for any operation.
  • If possible, reduce the output power of a laser during alignment procedures.
  • Use beam shutters and filters to reduce the beam power.
  • Post appropriate warning signs or labels near laser setups or rooms.
  • Use laser sign lightboxes if operating Class 3R or 4 lasers (i.e., lasers requiring the use of a safety interlock).
  • Do not use Laser Viewing Cards in place of a proper Laser Barrier or Beam Trap.

 

Laser Classification

Lasers are categorized into different classes according to their ability to cause eye and other damage. The International Electrotechnical Commission (IEC) is a global organization that prepares and publishes international standards for all electrical, electronic, and related technologies. The IEC document 60825-1 outlines the safety of laser products. A description of each class of laser is given below:

Class Description Warning Label
1 This class of laser is safe under all conditions of normal use, including use with optical instruments for intrabeam viewing. Lasers in this class do not emit radiation at levels that may cause injury during normal operation, and therefore the maximum permissible exposure (MPE) cannot be exceeded. Class 1 lasers can also include enclosed, high-power lasers where exposure to the radiation is not possible without opening or shutting down the laser.  Class 1
1M Class 1M lasers are safe except when used in conjunction with optical components such as telescopes and microscopes. Lasers belonging to this class emit large-diameter or divergent beams, and the MPE cannot normally be exceeded unless focusing or imaging optics are used to narrow the beam. However, if the beam is refocused, the hazard may be increased and the class may be changed accordingly.  Class 1M
2 Class 2 lasers, which are limited to 1 mW of visible continuous-wave radiation, are safe because the blink reflex will limit the exposure in the eye to 0.25 seconds. This category only applies to visible radiation (400 - 700 nm).  Class 2
2M Because of the blink reflex, this class of laser is classified as safe as long as the beam is not viewed through optical instruments. This laser class also applies to larger-diameter or diverging laser beams.  Class 2M
3R Lasers in this class are considered safe as long as they are handled with restricted beam viewing. The MPE can be exceeded with this class of laser, however, this presents a low risk level to injury. Visible, continuous-wave lasers are limited to 5 mW of output power in this class.  Class 3R
3B Class 3B lasers are hazardous to the eye if exposed directly. However, diffuse reflections are not harmful. Safe handling of devices in this class includes wearing protective eyewear where direct viewing of the laser beam may occur. In addition, laser safety signs lightboxes should be used with lasers that require a safety interlock so that the laser cannot be used without the safety light turning on. Class-3B lasers must be equipped with a key switch and a safety interlock.  Class 3B
4 This class of laser may cause damage to the skin, and also to the eye, even from the viewing of diffuse reflections. These hazards may also apply to indirect or non-specular reflections of the beam, even from apparently matte surfaces. Great care must be taken when handling these lasers. They also represent a fire risk, because they may ignite combustible material. Class 4 lasers must be equipped with a key switch and a safety interlock.  Class 4
All class 2 lasers (and higher) must display, in addition to the corresponding sign above, this triangular warning sign  Warning Symbol

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Posted Comments:
Poster:mitch
Posted Date:2017-01-25 05:10:19.753
Hi, I would like to use the MX10B or C for RF-over optical. Would the MX10B be suitable for a 2.4GHz RF carrier (say WiFi)? Thanks
Poster:tfrisch
Posted Date:2017-01-26 05:15:25.0
Hello, thank you for contacting Thorlabs. MX10B or MX10C should be suitable at 2.4GHz, and I will reach out to you directly to discuss your application.
Poster:paulg
Posted Date:2016-09-26 13:45:43.643
Hi, Can you make the MX40B @ 850 nm ?
Poster:jlow
Posted Date:2016-09-27 02:41:56.0
Response from Jeremy at Thorlabs: We will contact you directly to discuss about the 850nm modulator.
Poster:eaosec
Posted Date:2016-08-10 02:41:07.97
Hi, We are interested in an analog version of the MX40 transmitter S Yu Advanced Electro-Optics Co Taiwan

Transmitters with Integrated Intensity Modulators and Lasers

Selected Specificationsa
Item # MX10B MX40B
Max Bit Rate (Digital) 12.5 Gb/s 40 Gb/s
Analog Bandwidth (Small Signal) 7 GHz 20 GHz
Modulator Bandwidth (-3 dB) 14 GHz 35 GHz
Integrated
Tunable
Laserb
Wavelength Range 1527.6 - 1565.5 nm (C-Band)
Frequency Range 191.50 - 196.25 THz
Intrinsic Linewidth 10 kHz (Typical)
15 kHz (Max)
External Laserc Wavelength Range 1250 nm - 1610 nm
Internal Power Monitor
Calibration Points
1310 nm, 1550 nm,
and 1590 nm
  • For complete specifications, see the Specs tab.
  • A C-band laser is included standard with all optical transmitters. Versions with internal L-band tunable lasers are available upon request. Please contact Tech Support for details.
  • User-provided.
  • High-Speed Intensity Modulation
  • Digital Operation 
    • MX10B: 12.5 Gb/s Maximum System Bit Rate
    • MX40B: 40 Gb/s Maximum System Bit Rate
  • Analog (Linear) Operation
    • MX10B: Up to 7 GHz Small Signal Bandwidth
    • MX40B: Up to 20 GHz Small Signal Bandwidth
  • Mach-Zehnder Intensity Modulator Built Into the Package
  • Fully Automatic or Manual Bias Control
    • Peak, Null, Quadrature, or Manual Set Points
    • Can be Operated with or without Dither
  • Integrated C-Band Laser is Tunable on ITU 50 GHz Grid

These all-in-one optical transmitters integrate a Mach-Zehnder intensity modulator (MZM) with a C-band* tunable laser source, bias control, RF driver amplifier, and variable optical attenuator. The MX10B intensity modulator supports speeds of up to 12.5 Gb/s digital operation and up to 7 GHz when used in analog mode, while the MX40B includes an intensity modulator that supports speeds of up to 40 Gb/s digital operation and up to 20 GHz when used in analog mode.

*Custom configurations, including versions of these optical transmitters with internal L-band tunable lasers, are also available upon request. Please contact Tech Support for more information.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available / Ships
MX10B Support Documentation
MX10BHigh-Speed Optical Transmitter, Intensity Modulator, 12.5 Gb/s Max
$15,350.00
Today
MX40B Support Documentation
MX40BHigh-Speed Optical Transmitter, Intensity Modulator, 40 Gb/s Max
$25,075.00
Lead Time

Transmitters with Integrated Phase Modulators and Lasers

Selected Specificationsa
Item # MX10C MX40C
Max Bit Rate (Digital) 12.5 Gb/s 40 Gb/s
Analog Bandwidth (Small Signal) 7 GHz 20 GHz
Modulator Bandwidth (-3 dB) 10 GHz 35 GHz
Integrated
Tunable
Laserb
Wavelength Range 1527.6 - 1565.5 nm (C-Band)
Frequency Range 191.50 - 196.25 THz
Intrinsic Linewidth 10 kHz (Typical)
15 kHz (Max)
External Laserc Wavelength Range 1250 nm - 1610 nm
Internal Power Monitor
Calibration Points
1310 nm, 1550 nm,
and 1590 nm
  • For complete specifications, see the Specs tab.
  • A C-band laser is included standard with all optical transmitters. Versions with internal L-band tunable lasers are available upon request. Please contact Tech Support for details.
  • User-provided.
  • High-Speed Phase Modulation
  • Digital Operation
    • MX10C: 12.5 Gb/s Maximum System Bit Rate
    • MX40C: 40 Gb/s Maximum System Bit Rate
  • Analog (Linear) Operation
    • MX10C: Up to 7 GHz Small Signal Bandwidth
    • MX40C: Up to 20 GHz Small Signal Bandwidth
  • LiNbO3 Phase Modulator Built Into the Package
  • Integrated C-Band* Laser is Tunable on ITU 50 GHz Grid

These all-in-one optical transmitters each integrate a high-speed phase modulator with a C-band* tunable laser source, bias control, RF driver amplifier, and variable optical attenuator. The MX10C phase modulator supports speeds of up to 12.5 Gb/s digital operation and up to 7 GHz when used in analog mode, while the MX40C includes a phase modulator that supports speeds of up to 40 Gb/s digital operation and up to 20 GHz when used in analog mode.

*Custom configurations, including versions of these optical transmitters with internal L-band tunable lasers, are also available upon request. Please contact Tech Support for more information.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available / Ships
MX10C Support Documentation
MX10CHigh-Speed Optical Transmitter, Phase Modulator, 12.5 Gb/s Max
$14,850.00
Today
MX40C Support Documentation
MX40CHigh-Speed Optical Transmitter, Phase Modulator, 40 Gb/s Max
$24,050.00
Today
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