PDLPro PDLE-101 Polarization Dependent Loss (PDL) Source/Emulator

PDL source/emulator that generates polarization dependent loss values up to 20 dB with 0.1 dB resolution for PDL tolerance testing.

Wavelength range: C band or L band
Insertion loss (max.): 2 dB
PDL dynamic range: 0.1 to 20 dB
PDL resolution: 0.1 dB

Datasheet

Overview

The PDLE-101 is a polarization dependent loss (PDL) source/emulator. It creates a variable amount of PDL by attenuating one polarization component of the input light more than the other.

The instrument generates individual PDL values up to 20 dB with a resolution of 0.1 dB for PDL tolerance testing. It can also generate PDL that varies over a user-defined range, waveform and speed. This supports PDL tracking speed and recovery time tests, such as evaluating the PDL mitigation algorithms in coherent detection receivers used in high-speed fiber optic transceivers.

The unit is controlled from the front panel keypad or remotely via USB, RS-232, GPIB or Ethernet interfaces. Residual PMD is less than 0.1 ps.

Key Features

Large PDL range: 20 dB
High PDL resolution
High speed
Low residual PMD
PDL scanning functions
Random PDL generation
Sine, square, triangle and random PDL waveforms
Front panel or remote control via USB, RS-232, Ethernet and GPIB

Specifications

Optical

Wavelength range	C band or L band Other wavelength ranges available upon request
Insertion loss (max.)	2 dB At PDL = 0, excluding connectors (web page states at PDL=0.1 dB)
PDL dynamic range	0.1 to 20 dB At 23 ± 5 °C
PDL resolution	0.1 dB At 23 ± 5 °C
PDL accuracy	±(0.1 dB +1% of PDL) At 23 ± 5 °C
PDL switching time	5 ms max., 1 ms typical Rise time for square wave transition
Residual PMD	< 0.1 ps At PDL = 0 (web page states at PDL =0.1 dB)
Return loss	> 50 dB
Fiber type	SMF-28
Optical connector type	FC/PC, FC/APC, SC/PC, or SC/APC
Optical power damage threshold	500 mW

Control and Interfaces

PDL control	Front panel control or remote control with communication interface
PDL waveforms	Sine, square, triangle, random
Display	2 x 20 character LCD
Communication interface	USB, RS-232, Ethernet, and GPIB

General

Operating temperature	0 to 40 °C
Storage temperature	-20 to 60 °C
Electrical power supply	100 – 240 VAC, 50 – 60 Hz (16W)
Dimensions	2U, 19" half rack width, 14" (L) x 8.5" (W) x 3.5" (H)

Specifications are taken from the manufacturer's documentation. See the datasheet for complete and current values.

Applications

PDL tolerance test
PDL tracking speed test
PDL recovery time test
PDL emulation
Code development for PDL compensation in coherent systems
System PDL response test
Polarization performance testing of coherent receivers

Options & Accessories

Option	Description
C	C band wavelength range — Ordering option: wavelength range
L	L band wavelength range — Ordering option: wavelength range
FC/PC	FC/PC optical connector — Ordering option: connector type
FC/APC	FC/APC optical connector — Ordering option: connector type
SC/PC	SC/PC optical connector — Ordering option: connector type
SC/APC	SC/APC optical connector — Ordering option: connector type; others specify