Home Optical T&M Polarisation Control & Emulation General Photonics POS-202 – Polarisation Stabiliser, 2 Port

General Photonics POS-202 – Polarisation Stabiliser, 2 Port

Product Code:
POS-202
Manufacturer: General Photonics Corporation
  • Simple, reset free operation
  • PM output
  • Low insertion loss

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The General Photonics POS-202, POS-203 and POS-204 polarisation stabilisers maintain stable output states of polarisation (SOP) against rapid input SOP fluctuations, compensating for an input polarisation discontinuity in as fast as 5 ms, or tracking without resets against a continuous input SOP rotation of up to 32π/s. The POS-20X architecture includes a polarisation controller, in-line polarisation monitor, and proprietary algorithms.

The General Photonics POS-202 has optical ports for signal input and output. It stabilises the output SOP to linear, aligned to the slow axis of the output PM fiber.

APPLICATIONS

  • Eliminate polarisation fluctuations in fibre systems
  • Suppress noise figure in optical amplifiers
  • Reduce PDL effects
  • Demultiplex polarisation division multiplexed channels

Operating Wavelength Range1

calibrated wavelength ± 50nm standard

Calibrated Wavelengths

1550, 1310, 1060nm

SOP Recovery Time

< 5 ms (1.5 ms typical)

SOP Rotation Tracking Speed2

32 π/s, endless tracking & reset free

SOP Accuracy3

< 0.1 dB (PM output fibre)

Repeatability3

< 0.1 dB

Insertion Loss

0.8 dB typical, 1.2 dB max. (POS-202)

0.1 dB intrinsic, < 0.5 dB with connectors (POS-203 polarisation controller optical path)

Return Loss

> 50 dB

Isolation in Orthogonal Polarisation

20 dB

Minimum Optical Input

-30 dBm (POS-202)

-35 dBm (POS-203 optical feedback)

Optical Power Handling4

20 dBm (POS-202)

30 dBm (POS-203 polarisation controller input)

6 dBm (POS-203 optical feedback input)

Operating Temperature

0 to 50 °C

Storage Temperature

-20 to 70 °C

Front Panel Display

OLED graphic display

Electrical Feedback

BNC connector to accept 0 – 4.5 V analog voltage

Power Supply

100 – 240 VAC, 50 – 60 Hz

Communication Interfaces

USB, Ethernet, RS-232, and GPIB

Dimensions

2U 19 inch half rack width 14" (L) x 8.5" (W) x 3.5" (H)

Notes:

Specifications listed in table apply for standard 1310 or 1550nm operation at 23±5 °C.

1 For standard versions with PM outputs. Other wavelength ranges are available. Specifications may be different for instruments with different wavelength or power ranges or different output fibres.
2 For input power >-25 dBm for POS-202, or optical feedback signal >-35 dBm for POS-203 and POS-204.
3 The output power fluctuation caused by SOP fluctuation after passing through a polariser.
4 Standard version. Higher power ranges may be possible by special request.

 

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