POS-002 Polarization Tracker

POS-002 Polarization Tracker General Photonics
  • SW11291
1060, 1310, 1550 nm; IL 50 dB General Photonics’ POS-002 polarization tracker... more
Product information "POS-002 Polarization Tracker"

1060, 1310, 1550 nm; IL <1.2, <0.1 dB; SOP Recovery Time 0.9 ms; Tracking Speed 47 π/s; SOP Accuracy <0.1 dB; RL >50 dB

General Photonics’ POS-002 polarization tracker automatically adjusts the state of polarization (SOP) towards a reference SOP, counteracting continuous input SOP variations as fast as 0.9 ms with no resets.

The reference SOP is determined by a feedback signal which can be provided either internally or externally. The internal feedback version (POS-002-I) consists of a fiber squeezer polarization controller, in-line polarization monitor, digital and analog circuits, and proprietary algorithm. The error signal from the polarization monitor is fed back to the polarization controller to maintain a linear SOP at the output. The output fiber for POS-002-I is typically polarization maintaining (PM) fiber with the SOP aligned to its slow axis.

The external feedback version (POS-002-E) replaces the internal polarization monitor with an external analog electrical feedback signal of the user’s choice, such as a voltage proportional to the degree of polarization (DOP) measured by a polarimeter, the bit-error rate (BER) from a BER chip, the RF spectrum of a detected signal, or the optical power after a polarizer. The output fiber is typically single mode (SM) fiber.

Key Features:

  • Reset-free Operation
  • State of Polarization (SOP) Recovery Time: <3 ms, 0.9 ms Typical
  • SOP Rotation Tracking Speed: 47 π/s
  • "Plug and Play" Integration
  • Operating Wavelength Range: 1060 ±50 nm, 1310 ±50 nm, or 1550 ±50 nm
  • SOP Accuracy: <0.1 dB
  • Repeatability: <0.1 dB
  • Insertion Loss (IL, Internal Feedback): <1.2 dB, 0.8 dB Typical
  • Insertion Loss (IL, External Feedback): <0.1 dBReturn Loss (RL): >50 dB
  • Isolation in Orthogonal Polarization: 20 dB
  • Optical Power Handling: <20 dBm
  • Communications Interface: RS-232
  • Dimensions: 19.1 x 98 x 184 mm

Applications: PMD Compensation; Polarization Division Demultiplexing; Elimination of Polarization Fading in Coherent Detection and Fiber Sensor Systems; Suppression of Noise Figure in Optical Amplifiers; Reduction of PDL Effects

Product Group: Polarization Tracker
Manufacturer Series Name: POS-002
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