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Instruments |
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PMD
EMULATION PLATFORM - PMDE-301
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Product Summary
This PMD Emulation Platform (PMDE) simulates the true nature of PMD.
Using 3 of General Photonics’ patented polarization controllers and
3 differential group delay (DGD) lines, the PMDE-301 generates an accurate
Maxwellian Probability Density Function with a tunable mean DGD value.
The dynamic PMD emulation platform has broad applications in PMD effects evaluation
and in calibration of PMD testing setups. Also, it can be used in performance testing
of other PMD compensators. The PMDE provides a large, tunable range of DGD values,
with very high repeatability and temperature stability. Its 2nd-order PMD value
is 70% matched with that of real fiber (~95% when two PMDE-301s are cascaded).
With its easily reconfigurable mainframe and control interface, the PMDE can perform
advanced PMD emulation techniques, including importance sampling,
multicanonical sampling, etc., with much higher efficiency than other systems
currently on the market. The “all-in-one” platform provides most of the desired
features for PMD emulation/compensation systems, including first-order and all-order
PMD emulation, DGD generation, polarization control and scrambling, cascading feasibility, slow PMD dynamics, etc.
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Features
- Multiple functions
- Fast measurement speed
- All-order PMD emulation
- High accuracy and reliability
- Tunable statistics
- Reconfigurable
- Random or slow PMD dynamics
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Applications
- Emulating PMD effects on systems
- PMD compensator evaluation
- Calibrating PMD measurement devices
- Importance sampling
- Distributed PMD compensation
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Specifications
| Data Rate |
10 Gb/s |
40Gb/s |
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DGD Range |
0 ~ 135 ps |
0 ~ 68 ps |
| Average PMD |
0 ~ 35 ps (tunable) |
0 ~ 17 ps (tunable) |
| 2nd Order PMD |
0 ~ 500 ps2
(corresponding to 1st order PMD) |
| Operating Wavelength Range |
1550
± 50
nm |
| Insertion Loss |
7.5 dB |
| Return Loss |
50 dB |
| Response Time |
5 ms (typical) |
| Optical Power Handling |
300 mW min. |
| Operating Temperature |
10 ~ 50 °C |
| Storage Temperature |
-20 ~ 60 °C |
| Electrical Interface |
Digital I/O control with laptop
computer |
| Software |
Executable program with multiple
functions (first order or all-order PMD emulation, DGD
generation, polarization control/scrambling, etc. |
| Power Supply |
100 ~ 120 VAC, 50 ~ 60 Hz, or
200 ~ 240 VAC, 50 ~ 60 Hz |
| Dimensions |
3U height, 63HP width, 360mm depth |
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