A2000 Component Analyzer Family

Swept Wavelength Systems for PMD, PDL, IL Analysis

2006

All-Parameter-JME for Accurate

PMD/DGD-Characterization

Müller Method for Accurate PDL-

Characterization

T

T

he well-known Jones-Matrix-Eigenanalysis

(JME) has become the standard method for

measuring Polarization Mode Dispersion (PMD)

or differential group delay (DGD) of optical

devices.

Adaptif PHOTONICS pushes the limits with its

:

:

PMD/DGD, PDL, Insertion Loss, 2nd-

order PMD (Depolarization + PCD),

TE/TM Insertion Loss

:

Full specified performance across C-

and L-band within a single sweep.

Typical update rate: < 8 seconds.

:

Accurate results even when operating

in harsh environment. Taping patch

cords to the table is not required.

he Müller Method is an established tool for

measuring polarization dependent loss

(PDL) with high accuracy. A very similar

approach is taken by the All-Parameter-JME

using the same data originally collected for the

DGD measurement. Therefore, only a single

sweep is needed to measure PDL and DGD with

excellent accuracy.

All-Parameter-JME

Single-sweep measurement of

Faster measurement speed

Robust against fiber movements

and drifts

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Key Benefits:

Applications:

Support of Common Tunable Laser

Sources:

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High-throughput in production test

systems

High-accuracy component

characterization

Passive component testing:

filters, isolators, circulators, fibers,

ROADMs, etc. (no length limitation)

Active component testing:

EDFAs, SOAs, VOAs

Intra-channel PMD/PDL

measurement

Agilent 816XX/819XX Series

NetTest Tunics Series

Yokogawa AQ4321, AQ2200-136

NewFocus Velocity 6300 Series

PMD/PDL-MEASUREMENT

Product Highlights:

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High-Speed Acquisition of PMD, PDL

and Power/Loss using Jones Matrix

Eigenanalysis (JME) method

High repeatability due to optical self-

calibration

Covers S-, C-, L-band and 1.3um

window

Robust - No moving parts

Contains full function set of our High

Speed Polarization Analyzer and

Polarization Controller

Remote control via Ethernet

PC software package provided:

polarizationNAVIGATOR

Software drivers available for

LabView, MATLAB, VBA, Python

Versions with integrated

touchscreen/computer available

(B3 and R3 options)

Displayless versions available

(external computer required, BT and

R2 options)

TM

Instrument Setup

The A2000 instrument contains a Lithium

Niobate polarization controller and a

polarimetric receiving unit, as shown in the figure

on the right. An internal optical switch provides

self-calibration capabilities and guarantees

always highly precise and repeatable

measurements.

The SOP of the laser input signal is switched by

the polarization controller to a defined set of

polarization states and launched into the Device

under Test (DUT). The DUT output signal is

received by the internal polarimeter unit.

Algorithms implemented on either the internal

(B3 and R3 option) or external computer (BT and

R2 option) provide the desired parameters.

Polarization

Controller

Microcontroller unit

GPIB, USB, Ethernet, RS232

Trigger in

Trigger out

Power

Laser Input OutputPolarimeter

Input

Polari-

meter

DUT

Reference switch

A2000 Component Analyzer Instrument Setup

A2000-B3 Component Analyzer with

Integrated Industry PC and Touchscreen

Flexible Form Factors

The A2000 Component Analyzer family

includes models for benchtop use as well as

for rack-mount. Depending on the customer’s

preference, the instruments are controlled by an

external computer (BT and R2 options) or an

internal industry PC with touchscreen (B3 and R3

option). All instruments include a GPIB-master

port to directly control the third-party laser

sources.

Resolving TE/TM Insertion Loss

The TE/TM-function allows accurate

determination of the minimum and

maximum loss of the DUT at each wavelength.

Due to birefringence, optical filters tend to show

different transmission functions depending on

the polarization state. As shown in the figure

above, these functions are typically shifted in

wavelength depending on the amount of

birefringence.

Wavelength [nm]

Insert

ion

Loss

[dB

]

1559 1560 1561-50

-40

-30

-20

-10

0

Wavelength [nm]

TE

/TM

Loss

[dB

]

1521.2 1521.3 1521.4 1521.5-30

-20

-10

0

Wavelength [nm]

Insert

ion

Loss

[dB

]

Long-Term Measurements

The capability of performing quick PMD-

m e a s u r e m e n t s m a k e s t h i s

measurement system well-suited for

collecting long-term PMD data. The

polarization NAVIGATOR software allows

to continuously collect the spectral PMD

data and store it on the hard disc. The data

can then be visualized as pseudo-color plot

(see figure).

TM

DGD

Wavelength

Tim

e

DGD

pdf

DG

D

Wavelength

A2000-BT Component

Analyzer

PRODUCT FAMILY

MEASUREMENT EXAMPLES

Insertion Loss with High Dynamic

Particularly for characterizing optical filters,

the high dynamic range of the A2000 allows

accurate resolution of the filter’s sidelobes.

The internal reference path allows to measure

insertion loss spectra with excellent accuracy

minimizing the influence of the power

characteristics of the tunable laser source.

Excellent Spectral Resolution

Due to the excellent spectral resolution,

the A2000 is best suited for intra-

channel DGD/PDLcharacterization.

The All-Parameter-JME algorithm allows

flexible adjustments of the wavelength

resolution without the need to repeat the

measurement. This allows to easily find the

optimum trade-off between PDL/DGD

accuracy and wavelength resolution.

TE/TM Insertion Loss Function

of an Optical Filter Sidelobes of an Optical Filter 2.5 GHz DPSK Demodulator

Long Term DGD Spectra of Installed Fiber Links

A2000-R2 Component Test System

with Agilent Tunable Laser Source

1545 1546 1547 1548 1549-60

-40

-20

0

A1 A2 B C D

850-1000nm

950-1100nm

1260-1640nmWavelength Operating Range

Factory Calibration Range 980nm 980nm 1270-1375nm

1460 -1620nm

1270-1375nm,1460-1620nm

Resolution 50pm 1pmWavelength

Accuracy 100pm 15pm

Range 0-200ps 0-1000psPMD

Accuracy +/- (0.03ps + 2% of PMD value)

Range 0-10dB 0-10dBPDL

Accuracy +/- (0.01dB + 4% of PDL value)

Dynamic range >57dB

Input Power Range -35dBm

...+10dBm

-40dBm

...+10dBm

-50dBm ... +7dBm

Optical Connector FC or Multipurpose Adapter (FC, SC, ST, LC, DIN, E2000), straight/angled

Operating Temperature range +5 C ... +40 C

Interface Ethernet , GPIB, USB, RS232

Power 100V 240V

Physical R3: 19 wide, 5.25 high R2: 19 wide, 3.5 high BT: 12 x 10.6 x 2.75

adaptif PHOTONICS reserves the right to make product changes without notice. 2006 © adaptif PHOTONICS GmbH

CONTACT

adaptif PHOTONICS GmbH

Harburger Schlossstr. 6-12

21079 Hamburg, GERMANY

Phone +49-40 766 29 2160

Fax +49-40 766 29 2161

sales@adaptif.de

www.adaptif.de

Your local sales contact

ORDERING INFORMATION

A2000 - H H - X - M - Y - Z

Wavelength Range

A1 = 850nm - 1000nm

A2 = 950nm - 1100nm

B = 1270nm - 1375nm

C = 1460nm - 1620nm

D = 1270nm - 1375nm

1460nm - 1620nm

Model*)

BT = Benchtop Unit

R2 = 2U Rack Unit

B3 = 3U Benchtop Unit

with Touchscreen

R3 = 3U Rack Unit

with Touchscreen

DUT Ports

0 = straight

1 = angled

Connector Type

0 = FC

1 = Multipurpose

Adapter

Laser Port

0 = straight

1 = angled

For connector type “Multipurpose Adapter”, three

connector adapters are needed in addition:

CON - T T T T

Available Types:

FC, SC, DIN, ST, LC, E2000

CHARACTERISTICS

° °

“ “ “ “ “ “ “

(1)The wavelength range for passivecomponent test applications isdetermined by the overlap betweenthe wavelength range of the tunablelaser and the wavelength range of theselected A2000 instrument.

(2)

(3)

(4)

(5)

(6)

Other factory calibration wavelengthranges on request.

Typical values for operation with NewFocus Velocity 6300 series tunablelaser sources.

Valid for operation with Agilent familyof tunable lasers. Becausewavelength accuracy is determinedby the tunable laser, operation withother lasers may result in differentwavelength accuracy.

Average DGD value across 100nmwavelength range.

Only A2000-R3 and A2000-B3.

(1)

(2)

(4)

(4)

(5)

(6)

*) Note that a third-party laser source isrequired for operation.

The BT and R2 models require a standardpersonal computer with USB port orNational Instruments GPIB interface foroperation.

(3)

(3)

...

>35dB >40dB