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You are here:   » Products » Optical Technologies » Components » Lasers & Light Sources » Lasers » Diode Lasers » Integrable Tunable Laser Assembly PPCL100

Diode Lasers

Integrable Tunable Laser Assembly PPCL100

Key Features

  • Full Band Tunable (C or L)
  • Power up to 18dBm (60mW)
  • 10kHz narrow linewidth
  • Reduced AM/FM low freq. noise

Description

The PPLC100 is an entry-level low-noise tunable laser. It combines the well recognized NeoPhotonics telecom laser (full-band tunable and a very narrow linewidth of ~10 kHz) with the low-noise operating modes from Pure Photonic. It does not include the low-noise modulation features or the electronics modifications that PPCL200 and PPCL300 offer. The product can access any desired frequency set-point in either the C-band or L-band. Output power can be set as low as 7dBm and as high as 18dBm (optional configuration).

The laser and its features are designed for high SNR (Signal-to-Noise-Ratio) applications, such as sensing and T&M (Test and Measurement). In its low-noise mode, the laser disables its control loops and is essentially frozen.

The PPCL100 is the highest performance ITLA on-the-market (MSA form-factor, www.oiforum.com/public/documents/OIF-ITLA-MSA-01.2.pdf), controlled through a digital interface. The user can operate the product without having to control or understand the underlying technology.

The PPCL100 has an External Cavity Laser design, with tunable filters embedded in the cavity for frequency control. The Cavity consists out of an InP front-facet coated gain chip with back-facet AR coating and a high-reflection end-mirror, mounted on a PZT element. By changing the injection current into the gain-chip and the built-in photodiode tap, the product accurately controls the operating power to the user-defined power target.
Within the cavity two Silicon etalon filters, with slightly different Free Spectral Range (FSR), utilize the Vernier effect to select one dominant cavity mode. The frequency is controlled through micro-temperature sensing and heating elements on the filters. The dominant cavity mode is aligned with the etalon transmission peaks through adjustment of the cavity temperature.

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