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Advanced Performance Turn-Key Semiconductor Fiber-Optic Modulator;
High Speed Intensity Modulator and Optical Switch

$8290.00  
sku / item#: SOM-STD | FIBER-OPTIC-MODULATOR
ships: Request a Quote for Current Ship Date

Key Features
  • An SOM (semiconductor optical modulator) utilizes an integrated SOA (semiconductor optical amplifier) operating in a fast-pulse mode as a light modulator; this new approach results in a higher performance fiber optic modulator.
  • HOW IT WORKS: A CW laser source (customer supplied) is used as the input to the SOM unit. An SOA is integrated in the SOM-STD unit along with the pulsing control electronics. The current driving the internal SOA is operated in a high repetition rate pulsed mode. The result is a fiber optic modulator which offers multiple advantages over traditional modulator technologies such as an AOM or an EOM.
  • Available at wavelengths from 750 nm to 1700 nm
  • Offered by AeroDIODE, a Laser Lab Source Marketplace Seller
  • Sold & Supported in North America by: LaserDiodeControl.com, part of the
    Laser Lab Source Marketplace Group

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MODEL SOM-STD | FIBER-OPTIC-MODULATOR
PRICE $8290.00
Specifications
  • Wavelength (nm): Customer Specified, 750nm - 1700nm
    refer to wavelength table in data sheet
  • User Adjustable Switching Speed: 1.5 nanosecond - CW
  • Max Repetition Rate: 10 MHz
    250 MHz available with /HPP option
  • Optical Bandwidth (nm): 20nm - 110nm (customer specified)
  • Small Signal Gain: 22 - 40 dB
    refer to wavelength table in data sheet
  • Dynamic Range (up to): 60 dB
  • Extinction Ratio (typical): > 50 dB
  • User Adjustable Output Power: 20 mW - 100 mW
    refer to wavelength table in data sheet
  • User PC interface and programming: USB, LabVIEW driver, DLLs, Python, Hexa-Commands
  • Power Supply (included): 12 to 15 VDC, Universal 110/220V (50/60 Hz)
Model SOM-HPP -- (HIGH PULSE PERFORMANCE MODEL)
  • All specifications the same as SOM-STD except:
  • Repetition rate in the -HPP is 250 MHz
  • CW Offset is available in the -HPP
  • Trigger to Pulse Jitter is < 20 picoseconds
Model SOM-SHAPE -- (USER DESIGNED PULSE SHAPE MODEL)
  • All specifications the same as SOM-STD except:
  • User had the ability to create custom designed pulse shapes
  • User adjustable switching speed is 2 nanosecond - CW
  • Trigger to pulse Jitter is < 2 nanoseconds
  • Repetition rate in the SHAPE model is 20 MHz
  • Dynamic range is up to 48 dB
  • Extinction ratio (typ) is 40 dB

Product Overview:

The SOM Series High Performance Fiber Optic Modulator:

The SOM-STD is a high performance alternative to an AOM or an EOM fiber modulator. An SOM (semiconductor optical modulator) utilizes an integrated SOA (semiconductor optical amplifier) operating in a fast-pulse mode as a light modulator. This new approach results in a higher performance fiber optic modulator. A CW laser diode source is used as the input to the SOA. The SOA is integrated in the SOM unit along with the pulsing control electronics. The current driving the SOA is operated in a high repetition rate pulsed mode. The result is a fiber optic modulator which offers multiple advantages over traditional modulator technologies such as an AOM or an EOM. These units can be configured for wavelengths from 750 nm to 1700 nm. They offer a lossless, high extinction ratio and highly polarized modulator solution.

The "SOM" Semiconductor Optical Modulator:

Here are a few of the many advantages an SOM offers relative to an AOM, EOM or directly pulsed laser diode modulator solution:

  • The dynamic range of an SOM is higher than that of an EOM or an AOM. An AOM / EOM is typically limited to < 30 dB, and often less since there is a strong polarization dependency. An SOM offers a higher dynamic range, typically > 48 dB with a high extinction ratio > ~ 50 dB

  • An SOM has no polarization rotation dependencies, whereas both an EOM and an AOM typically are highly susceptible to polarization dependencies

  • The spectrum of an SOM remains the same along the entire pulse, whereas when directly pulsing a laser diode, the user must consider the undesirable spectral effects which can occur from coupling of the frequency/phase spectrum and intensity profile

  • The SOM is the only commercially available solution which also functions as an optical isolator for the laser input source

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