This fiber modulator is a high speed (nanosecond), high dynamic range, high extinction ratio solution.  It is a low noise and lossless device available from 750 to 1700 nm. Choose your wavelength on the datasheet table or contact us for other wavelengths. See our Tutorial : “fiber modulator basics

It is a very compact SOA-based unit optimized for single-shot to CW performance with pulse width down to 1.5 nanosecond. This fiber optic modulator delivers precision pulses which are generated internally by an on-board pulse generator, or on-demand from an external TTL signal. SOM (Semiconductor Optical Modulator) can be compared with AOMs, EOMs or direct laser diode modulators. It is the only solution meeting all the constraints for a reliable, stable and efficient fiber-coupled  intensity modulation.

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This fiber modulator is a high switching speed module. It operates as a lossless optical isolation switch, a full-range variable optical attenuator (VOA), or an optical shutter.

Key Features :

  • Lossless device
  • High dynamic range : >48 dB
  • Very low noise and stable signals
  • High speed : down to 500 ps rise/fall time
  • User design pulse shape (SOM-Shape only)
  • High extinction ratio : >50 dB
  • No wavelength evolution along the pulse duration

Applications of this fiber modulator include laser seeding, LIDAR testing, etc.

The GUI software lets the user have total control of all module functions. It includes several libraries for software integration (LabVIEW VIs, DLLs, Hexa etc.)

This fiber modulator works alone or in series with other products in our range like :

Fiber optic modulators comparison
SOM are SOA-based fiber modulators devices which have many advantages compared with other fiber modulation technologies

 

See our detailed Tutorials on :

SOM is an alternative to Acousto Optics Modulators (for example G&H) or Electro Optics Modulators (for example iXBlue).

 SOM-stdSOM-HPP (High Pulse Performance)SOM-Shape (User design nanosecond pulse shape)
WavelengthAny wavelength to be selected between 700 nm and 1700 nm (see wavelength table on datasheet (last page)
Optical bandwidth (nm)From 20 nm to 110 nm to be selected (see wavelength table on datasheet)
Extinction ration (dB, typ)50 dB40 dB
Max input powerSee wavelength table on datasheet (last page)
Switching speed (typ)1 ns<1 ns2 ns
Dynamic range (up to)60 dB48 dB
Small signal gainFrom 22 to 40 dB (see wavelength table next page)
Trigger-to-pulse Jitter / internal trigger Jitter<20 ps / <20 ps<8 ps / <8 ps<2 ns / <100 ps
Pulse shapingOn-Off onlyYes
CW offset (in pulse mode)noyesno
Max repetition rate10 MHz250 MHz20 MHz
Compatibilities & LibrariesUSB - Windows 7/10 ; DLLs - Hexa - Labview - Python
Dimensions (mm)190*150*45208*100*37
Power supply12 V (110 - 220 V adaptator included)24 V (110-220 V adaptator included)
Documentation & Libraries

Documentation

Software libraries – coming soon

Mecanical drawings – coming soon

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Picture
Part number
Description
Price (ex VAT)
Avalaible
Qty
Fiber optic modulator SOM-std
SOM-std (Standard version)
SOM-std fiber optic modulator - Choose your wavelength from 750 to 1700 nm from the datasheet table (last page ; you will be contacted for this choice) ; On-Off modulator down to ~1.5 ns pulse width and up to 10 MHz pulse repetition rate. Flexibility of 3 input trigger modes (internal or external pulse generator) and 3 peak power adjustment modes.
7 895
3 - 4 weeks
Fiber optic modulator SOM-std
SOM-HPP (High Pulse Performance)
SOM-HPP (High Pulse Performance) fiber optic modulator - Choose your wavelength from 750 to 1700 nm from the datasheet table (last page ; you will be contacted for this choice) ; On-Off modulator down to ~1.5 ns pulse width and up to 250 MHz pulse repetition rate. Flexibility of 3 input trigger modes (internal or external pulse generator) and 3 peak power adjustment modes.
8 895
3 - 4 weeks
SOM-Shape (User design modulated pulse shape)
SOM-Shape fiber optic modulator with user-design nanosecond pulse shape from an embedded 2 GHz AWG-(Arbitrary Waveform Generator - one point every 500 ps - up to 8µsec pulse width). Choose your wavelength from 750 to 1700 nm from the datasheet table (last page ; you will be contacted for this choice) ; Up to 20 MHz pulse repetition rate. Flexibility of 2 input trigger modes (internal or external pulse generator). 3 pulse delay generators are available to synchronize external devices.
9 495
9 - 12 weeks

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