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The MBC-DG-BT Mach-Zehnder modulator bias controller is ideal for digital telecom and pulse applications.

While it can be used for analogue applications, the low-frequency dithering signal may be considered unwanted in some analogue transmission cases.

The MBC-DG-BT is a continuously tunable bias controller, which means that the user can lock the operating point at MIN, MAX, Quad+ and Quad-, but also at any point of the MZ transfer function It is very stable, allowing for high extinction ratio, has a low sensitivity and can lock even with an optical power down to -30 dBm.

It can use the internal modulator photodiode, or a photodiode external to the modulator.

It can also be supplied with the PD/TAP option – a photodiode with a five per cent PM tap coupler – if the modulator does not feature an internal PD, or for some low-repetition-rate pulse applications.

Laser Components

The Laser Components Group was formed in 1986 and is located at six locations in Germany, France, UK, Canada and USA, employing more than 120 people worldwide. In-house production accounts for approximately half its turnover, with partner suppliers accounting for all other business.

Laser Components manufactures and supplies components, OEM modules, sources, optics and detectors, spanning the UV to the FIR. 

Products include:  

  • Photodiodes, including avalanche photodiodes, position sensitive detectors and PIN diodes
  • IR components, including IR detectors, IR emitters and optical components for IR
  • Single photon-counting modules, including accessories and silicon avalanche photodiodes for photon counting
  • Lasers, including laser diodes, laser modules and emitters for telecommunication
  • Measurement devices, including amplifiers, laser power detectors, and measurement instruments
  • Fibre optics, including optical fibres, assembled fibres, active and passive components and accessories
  • Optics, including laser optics, optical filters, optomechanical components, optical components and polarisers
  • Laser accessories, including laser safety products and spare parts and accessories
  • E-beam (physical vapour deposition) ion-assisted deposition and sputtering coating capabilities to the standard catalogue or customer-specific specifications.  

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