IEC 62149-3:2020

IEC 62149-3 ®
Edition 3.0 2020-07
REDLINE VERSION
INTERNATIONAL
STANDARD
colour
inside
Fibre optic active components and devices – Performance standards –
Part 3: Modulator-integrated laser diode transmitters for 2,5-Gbit/s to 40-Gbit/s
fibre optic transmission systems

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IEC 62149-3 ®
Edition 3.0 2020-07
REDLINE VERSION
INTERNATIONAL
STANDARD
colour
inside
Fibre optic active components and devices – Performance standards –

Part 3: Modulator-integrated laser diode transmitters for 2,5-Gbit/s to 40-Gbit/s

fibre optic transmission systems

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 33.180.20 ISBN 978-2-8322-8635-7

– 2 – IEC 62149-3:2020 RLV © IEC 2020

CONTENTS
FOREWORD . 3

INTRODUCTION . 2

1 Scope . 6

2 Normative references . 6

3 Terms, definitions and symbols abbreviated terms . 7

3.1 Terms and definitions . 7

3.2 Symbols Abbreviated terms . 7
4 Product parameters . 8
4.1 Absolute limiting ratings . 8
4.2 Operating environment . 8
4.3 Functional specification. 9
4.4 Diagrams . 10
5 Testing . 10
5.1 General . 10
5.2 Characterization testing . 11
5.3 Performance testing . 12
6 Environmental specifications . 14
6.1 General safety . 14
6.2 Laser safety . 14
Bibliography . 15

Figure 1 – Schematic diagram . 10

Table 1 – Absolute limiting ratings . 8
Table 2 – Operating environment . 8
Table 3 – Operating conditions for functional specification . 9
Table 4 – Functional specification . 9
Table 5 – Characterization tests . 11
Table 6 – Performance test plan . 12
Table 7 – Recommended performance test failure criteria . 13

INTERNATIONAL ELECTROTECHNICAL COMMISSION

____________
FIBRE OPTIC ACTIVE COMPONENTS AND DEVICES –

PERFORMANCE STANDARDS –
Part 3: Modulator-integrated laser diode transmitters

for 2,5-Gbit/s to 40-Gbit/s fibre optic transmission systems

FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international
co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and
in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports,
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preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with
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Standardization (ISO) in accordance with conditions determined by agreement between the two organizations.
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3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
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6) All users should ensure that they have the latest edition of this publication.
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8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent
rights. IEC shall not be held responsible for identifying any or all such patent rights.

This redline version of the official IEC Standard allows the user to identify the changes
made to the previous edition. A vertical bar appears in the margin wherever a change has
been made. Additions are in green text, deletions are in strikethrough red text.

– 4 – IEC 62149-3:2020 RLV © IEC 2020

International Standard IEC 62149-3 has been prepared by subcommittee 86C: Fibre optic

systems and active devices, of IEC technical committee 86: Fibre optics.

This third edition cancels and replaces the second edition published in 2014 and constitutes a

technical revision.
This edition includes the following significant technical changes with respect to the previous

edition: updates of the title, scope, normative references and performance test tables.

The text of this International Standard is based on the following documents:

FDIS Report on voting
86C/1666/FDIS 86C/1676/RVD
Full information on the voting for the approval of this International Standard can be found in the
report on voting indicated in the above table.
This document has been drafted in accordance with the ISO/IEC Directives, Part 2.
A list of all parts in the IEC 62149 series, published under the general title Fibre optic active
components and devices – Performance standards, can be found on the IEC website.
The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under "http://webstore.iec.ch" in the data related to
the specific document. At this date, the document will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
IMPORTANT – The 'colour inside' logo on the cover page of this publication indicates
that it contains colours which are considered to be useful for the correct understanding
of its contents. Users should therefore print this document using a colour printer.

The contents of the corrigendum of February 2021 have been included in this copy.

INTRODUCTION
Fibre optic transmitters are used to convert electrical signals into optical signals. This document

covers the performance standard for optical modulators monolithically integrated with laser

diodes for 2,5 Gbit/s to 40 Gbit/s multi-channel 40 Gbit/s optical telecommunication systems.

This document is applicable for on-off keying format.

– 6 – IEC 62149-3:2020 RLV © IEC 2020

FIBRE OPTIC ACTIVE COMPONENTS AND DEVICES –

PERFORMANCE STANDARDS –
Part 3: Modulator-integrated laser diode transmitters

for 2,5-Gbit/s to 40-Gbit/s fibre optic transmission systems

1 Scope
This part of IEC 62149 covers the performance specification for electroabsorption (EA) type
optical modulators monolithically integrated with laser diodes for 2,5 Gbit/s to 40 Gbit/s multi-
channel 40 Gbit/s fibre optic transmission systems. This performance document contains a
definition of the product performance requirements together with a series of sets of tests and
measurements with clearly defined conditions, severities and pass/fail criteria. The tests are
intended to be run as an initial design verification to prove any product's ability to satisfy this
performance document's requirements. This document is only applicable for on-off keying
format.
A product that has been shown to meet all the requirements of a performance standard can be
declared as compliant with the performance standard but should will then be controlled by a
quality assurance program.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies.
For undated references, the latest edition of the referenced document (including any
amendments) applies.
IEC 60068-2-1, Environmental testing – Part 2-1: Tests – Tests A: Cold
IEC 60068-2-2, Basic Environmental testing procedures – Part 2-2: Tests – Tests B: Dry heat
IEC 60068-2-6, Environmental testing – Part 2-6: Tests – Test Fc: Vibration (sinusoidal)
IEC 60068-2-14, Basic Environmental testing procedures – Part 2-14: Tests – Test N: Change
of temperature
IEC 60068-2-27, Basic Environmental testing procedures – Part 2-27: Tests – Test Ea and
guidance: Shock
IEC 60068-2-78, Environmental testing – Part 2-78: Tests – Test Cab: Damp heat, steady state
IEC 60749-7, Semiconductor devices – Mechanical and climatic test methods – Part 7: Internal
moisture content measurement and the analysis of other residual gases
IEC 60749-26, Semiconductor devices – Mechanical and climatic test methods – Part 26:
Electrostatic discharge (ESD) sensitivity testing – Human body model (HBM)
IEC 60825-1, Safety of laser products – Part 1: Equipment classification and requirements
IEC 60950-1, Information technology equipment – Safety – Part 1: General requirements

IEC 61300-2-4, Fibre optic interconnecting devices and passive components – Basic test and

measurement procedures – Part 2-4: Tests – Fibre or cable retention

IEC 62007-1, Semiconductor optoelectronic devices for fibre optic system applications – Part 1:

Specification template for essential ratings and characteristics

IEC 62572-3, Fibre optic active components and devices – Reliability standards – Part 3: Laser

modules used for telecommunication

ITU-T Recommendation G.694.1, Spectral grids for WDM applications: DWDM frequency grid

ITU-T Recommendation G.957, Optical interfaces for equipments and systems relating to the
synchronous digital hierarchy
MIL-STD-883-1, U.S. Department of Defense – Test method standard – Environmental test
methods for microcircuits, Part 1: Test methods 1000-1999
3 Terms, definitions and symbols abbreviated terms
3.1 Terms and definitions
For the purposes of this document, terminology concerning physical concepts, types of devices,
general terms and definitions related to ratings and characteristics contained in IEC 62007-1
apply.
For the purposes of this document, the terms and definitions given in IEC 62007-1 apply.
ISO and IEC maintain terminological databases for use in standardization at the following
addresses:
• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at https://www.iso.org/obp
3.2 Symbols
X modulation speed in Gbit/s
PD photodiode
T laser sub-mount temperature
LD
T shortening of symbol T
s sub
V forward modulation voltage
fm
V reverse modulation voltage
rm
V reverse modulation centre voltage
rmc
V peak-to-peak modulation voltage
rmpp
T submount temperature
sub
3.2 Abbreviated terms
DC direct current
EA electroabsorption
LD laser diode
LSL lower standard limit
PD photodiode
– 8 – IEC 62149-3:2020 RLV © IEC 2020

PRBS pseudo-random bit sequence

RF radio frequency
RH relative humidity
USL upper standard limit
4 Product parameters
4.1 Absolute limiting ratings
Absolute limiting (maximum and/or minimum) ratings given in Table 1 imply that no catastrophic

damage will occur if the product is subject to these ratings for short periods, provided each
limiting parameter is in isolation and all other parameters have values within the normal
performance parameters. It should not be assumed that limiting values of more than one
parameter can be applied at any one time.
Table 1 – Absolute limiting ratings
Parameter Symbol Minimum Maximum Unit
T
Operating case temperature 0 +70 °C
case
(at the bottom of the case)
Storage temperature T −40 +85 °C
stg
T
Soldering temperature +260/ °C/s
sld
(minimum distance to case specified)
(for 10 s)
Laser diode
Reverse voltage V 2 V
R(LD)
I
Continuous forward current 200 mA
F(LD)
Continuous radiant power φ 10 mW
e
Photodiode
Reverse voltage V 10 V
R(PD)
Forward current I 1 mA
F(PD)
Modulator
Reverse modulation voltage V 5 V
Rm
Forward modulation voltage V 1 V
Fm
Thermal electric cooler
I
Cooler current under cooling and heating 1,5 A
P
Cooler voltage under cooling and heating V 2,5 V
P
4.2 Operating environment
The operating environment is indicated in Table 2.
Table 2 – Operating environment
Value
Parameter Symbol Unit
Minimum Maximum
Operating case temperature T 0 +70 °C
case
4.3 Functional specification
Functional specification shall be within the limit specified in Table 4 at the operating conditions

specified in Table 3.
Table 3 – Operating conditions for functional specification

Value
Parameter Symbol Unit
Minimum Maximum
Laser operating current I 50 200 mA
op
Laser operating temperature T 15 35 °C
op
V
Reverse modulation centre voltage 0,5 1,5 V
Rmc
Peak to peak modulation voltage V 2 3 V
Rmpp
NOTE Operating conditions are adjusted to match ITU-T Recommendation G.694.1 wavelength within the above
specified limit.
Table 4 – Functional specification
Characteristics and conditions at T = T , I = I Value
LD op F(LD) op
Reverse modulation voltage (V )
rm
Symbol Unit
Minimum Maximum
V = 0 V, unless otherwise stated
Rm
Laser and modulator diode
a
Modulation speed X 2,5 Gbit/s
43,02
Forward voltage at specified φ or I V 2,2 V
e op F(LD)
I
Threshold current 50 mA
(TH)
Radiant power at specified I φ 0,5 mW
op e
Kink free radiant power φ 0,6 mW
e
ER r 8,2 dB
Extinction ratio at specified φ or I
ER
e op
b
(under modulated conditions)
Peak emission wavelength at specified φ or I λ nm
e op P
c c
b, c
(under modulated conditions)
Side-mode suppression ratio at specified φ or I SMSR 30 dB
e op
r
b
SMSR
(under modulated conditions)
b
t 600/X ps
Switching times at specified φ or I Rise time
r
e op
(under modulated conditions)
b
t
600/X ps
Fall time
f
RF return loss at specified φ or I S 6,0 dB
e op 11
d
V = 1/2 V , f = X GHz, 50 Ω termination
rm rmpp
P
Transmission penalty due to dispersion at specified φ or 2 dB
e
e
I , under modulated conditions and specified fibre length
op
b
Monitor photodiode
I 10 nA
Dark current at φ = 0 and specified V
DARK
e R(PD)
I 50 2 000
Monitor current at specified φ or I and V µA
M
e op R(PD)
Tracking error between operating temperature range with
TE E
reference at 25 °C at specified φ or I and V
–0,5 0,5 dB
tr
e op R(PD)
specified
– 10 – IEC 62149-3:2020 RLV © IEC 2020

Characteristics and conditions at T = T , I = I Value
LD op F(LD) op
Reverse modulation voltage (V )
rm
Symbol Unit
Minimum Maximum
V = 0 V, unless otherwise stated
Rm
Thermal sensor
Resistance at specified sensor current R 9,5 10,5
kΩ
s
e
a
B 3 300 3 950 K
Thermistor B constant
Thermal electric cooler
Cooler current at ΔT = T – T and I 1,5 A
case(max) LD p
ΔT = T – T at specified φ or I

LD case(min) e op
Cooler voltage at ΔT = T – T and V 2,5 V
case(max) LD p
ΔT = T – T at specified φ or I
LD case(min) e op
a
Upper limit in this document. Actual maximum modulation speed shall be designated by a system
requirement.
b 23
Definition and condition according to ITU-T Recommendation G.957, PRBS 2 – 1 , V = V ± 1/2 V .
Rm Rmc Rmpp
c
According to ITU-T Recommendation G.694.1.
d
V = 1/2V , 50 Ω termination, measurement frequency should be specified by system requirement.
Rm Rmpp
e
B = ln(R/R )/(1/T – 1/T ) where R is the resistance at ambient temperature T (°K) and R is the resistance at
0 0 0
ambient temperature T (°K).
4.4 Diagrams
Figure 1 provides a representative example of a schematic diagram.

Figure 1 – Schematic diagram
5 Testing
5.1 General
Initial characterization and qualification shall be undertaken when a build standard has been
completed and frozen. Qualification maintenance is carried using periodic testing programs.
Test Case temperature conditions for all tests are 25 °C ± 2 °C unless otherwise stated.

5.2 Characterization testing
Characterization shall be carried out on at least 20 transmitters, taken from at least three

different manufacturing lots. The test conditions are detailed in Table 5.

Table 5 – Characterization tests

Characteristics and conditions at T = T , I = Value
LD op F(LD)
I
op
Reverse modulation voltage(V ) = 0V,
rm
Symbol Unit
Minimum Maximum
V = 0 V, unless otherwise stated
Rm
Laser and modulator diode
a
Modulation speed
X 2,5 43,02 Gbit/s
V
Forward voltage at specified φ or I
2,2 V
F(LD)
e op
Threshold current I
50 mA
(TH)
Radiant power at specified I
φ
0,5 mW
op
e
Kink free radiant power φ
0,6 mW
e
Extinction ratio at specified I φ or I
op
e op
ER r
8,2 dB
ER
b
(under modulated conditions)
Peak emission wavelength at specified φ or I
e op
λ c c
nm
P
b, c
(under modulated conditions)
Side-mode suppression ratio at specified φ or I SMSR
e op
30 dB
b r
(under modulated conditions) SMSR
b
t
Switching times at specified φ or I Rise time 600/X
ps
r
e op
(under modulated conditions)
b
t
Fall time 600/X ps
f
RF return loss at specified φ or I
e op
S
6,0 dB
d
V = 1/2V , f = X GHz, 50 Ω termination
rm rmpp
Transmission penalty due to dispersion at specified φ or
e
P
I , under modulated condition and specified fibre length 2 dB
e
op
b
Monitor photodiode
I
Dark current at φ = 0 and specified V
10 nA
DARK
e R(PD)
Monitor current at specified φ or I and V I
50 2 000 µA
e op R(PD) M
Tracking error between operating temperature range with
reference at 25 °C at specified φ or I and V TE E
−0,5 0,5 dB
e op R(PD) tr
specified
Thermal sensor
Resistance at specified sensor current R
9,5 10,5 kΩ
s
e
B 3 300 3 950 K
Thermistor B constant
Thermal electric cooler
Cooler current at ΔT = T – T and
case(max) LD
I
1,5 A
p
ΔT = T – T at specified φ or I
LD case(min) e op
Cooler voltage at ΔT = T – T and
case(max) LD
V
2,5 V
p
ΔT = T – T at specified φ or I
LD case(min) e op
Manufacturing lot shall be specified by each vendor.

– 12 – IEC 62149-3:2020 RLV © IEC 2020

Characteristics and conditions at T = T , I = Value
LD op F(LD)
I
op
Reverse modulation voltage(V ) = 0V,
rm
Symbol Unit
Minimum Maximum
V = 0 V, unless otherwise stated
Rm
a
Upper limit in this document. Actual maximum modulation speed shall be desinated by a system requirement.

b
Definition and conditions according to ITU-T Recommendation G.957, PRBS 2 – 1 , V = V ± ½ V .
Rm Rmc Rmpp
c
According to ITU-T Recommendation G.694.1.

d
V = 1/2V , 50 Ω termination, measurement frequency should be specified by system requirement.
Rm Rmpp
e
B = ln(R/R )/(1/T-1/T ) where R is the resistance at ambient temperature T (°K) and R is the resistance at
0 0 0
ambient temperature T (°K).
5.3 Performance testing
Performance testing is undertaken when characterization testing is complete. See Table 6 for
the performance test plan and Table 7 for recommended performance test failure criteria.
Table 6 – Performance test plan
Test Reference Conditions Sample size
Endurance High Temperature: T = T max.
IEC 60068-2-2 11
stg
tests of temperature
b
Duration: > 2 000 h
module storage
Low temperature Temperature: T = T min.
IEC 60068-2-1 11
stg
storage
b
Duration: > 2 000 h
Temperature
Test Na
IEC 60068-2-14 11
cycling
Temperature:
T = T min.
A stg
T = T max.
B stg
Number of cycles = 100
d
duration of exposure
Damp heat T = 40 °C, RH = 95 %, 56 days
IEC 60068-2-78 11
Cyclic moisture
MIL-STD-883H-1 11
resistance
Method 1004.7
Endurance test of laser diode Temperature: at least two test
IEC 60068-2-14
on submount temperatures:
IEC 62572-3
φ specified, constant power
e
c
T = T max.
1 By agreement
sub sub
c
T = < (T – 20 °C T ≤
2 1 2 By agreement
sub sub sub
(T – 20) °C or
sub
T ≤ (T – 10) °C if
2 1
sub sub
applicable
b
Duration: > 5 000 h
Endurance test of photodiode Temperature: at least two test
IEC 60068-2-14
in representative package temperatures:
IEC 62572-3
V or I specified
R R
a c
T = 125 °C min. By agreement
sub
c
T = < (T 1 – 30 °C)
2 By agreement
s
sub
T ≤ (T – 30 °C)
2 1
sub sub
Duration: > 1 000 h
Power cycle tests of the Number of cycles: 20 000
thermoelectric cooler
T = T
CASE op max
T = T to
sub CASE
(T – ΔT )
CASE max
High temperature storage of
MIL-STD-883H-1
T = T of the sensor
stg max
the thermal sensor
Method 1008.2
e
Fibre pull
IEC 61300-2-4 5 s, 3 times, pull force : 11

10 N for fibre cables
5,0 N for buffered fibres
2,0 N for primary coated fibres

Mechanical shock
IEC 60068-2-27 500 G 5 000 m/s , 1,0 ms 11
5 times/axis
Vibration
IEC 60068-2-6 20 G 200 m/s , 20 Hz to 2 000 11
Hz,
4 min/cycle, 4 cycles/axis
Thermal shock ΔT = 100 °C
IEC 60068-2-14 11
ESD Human body model
IEC 60749-26 11
−6
Internal moisture IEC 60749-7 11
≤ 5 000 × 10
a
Or as limited by technology.
b
Provided data about the distribution of wear-out lifetime is accumulated with significant accuracy. Provisional
approval for product shipment shall be granted at 2 000 h. It is also recommended to continue the test until
accurate extrapolation of lifetime is possible with an upper limit of 10 000 h. Duration up to 5 000 h may be
needed for accurate lifetime prediction.
c
The number shall be determined by discussion between the manufacturers and users concerned.
d
Duration of exposure shall be specified in the relevant specification.
e  Pull force shall be specified by the corresponding fibre/cable categories described in IEC 61300-2-4.

Table 7 – Recommended performance test failure criteria
Device Parameter Failure criterion Measurement condition
a
Laser diode Threshold current or 25 °C or life test
≥ 50 % increase or
operating current temperature
≥ 10 mA increase if I
(TH)
< 20 mA
a
Slope efficiency 25 °C or life test
≥ 10 % change
temperature
a
Forward voltage 25 °C or life test
≥ 10 % change
temperature
Kinks in L/I curve T , 25 °C, T
Kink-free within 1,2 × P
nom op min op max
(linearity change ≤ 10 %)
linearity change > 10 %
a
within 1,2 × P
nom
b
Wavelength See application
25 °C
a
Photodiode Dark current 25 °C
≥ USL or ≥ 10 nA increase
a
Laser threshold or
Laser module 25 °C or life test
≥ 50 % increase or
operating current temperature
≥ 10 mA increase if I
(TH)
< 20 mA
a
Fibre output power Life test temperature
≥ 10 % change
I set to initial value
M
Kinks in L/I curve Kink-free within 1,2 × P T , 25 °C, T
nom
op min op max
(linearity change ≤10 %)
linearity change > 10 %
a
within 1,2 × P
nom
Wavelength See DS and application See detail specification
application
– 14 – IEC 62149-3:2020 RLV © IEC 2020

Device Parameter Failure criterion Measurement condition

Tracking ratio < LSL, ≥ USL T – T
n
op mi op max
(I / P )
at rated power level
M fibre
a
Photodiode dark current 25 °C
≥ USL or ≥ 10 nA increase
a
Thermistor resistance 25 °C or life test
≥ 5 % change
temperature T
sub
a
Peltier Thermal electric To maintain constant ΔT
≥ ±10 % change
cooler current during test
a
Peltier Thermal electric
≥ ±10 % change
cooler voltage
a
Change of pre- and post- test values.
b
Or to be determined by agreement between the manufacturers and users concerned.

6 Environmental specifications
6.1 General safety
All products meeting this document shall conform to IEC 60950-1.
6.2 Laser safety
Transmitters shall be class 1 laser certified under any condition of operation. This includes
single-fault conditions, whether coupled into a fibre or out of an open bore. Transmitters shall
be certified verified to be in conformance with IEC 60825-1.
Laser safety standards and regulations require that the manufacturer of a laser product provide
information about the product's laser, safety features, labelling, use, maintenance and service.
This documentation shall explicitly define requirements and usage restrictions on the host
system necessary to meet these safety certifications.

Bibliography
IEC 60068 (all parts), Environmental testing

IEC 60793 (all parts), Optical fibres

IEC 60825 (all parts), Safety of laser products

IEC 60874 (all parts), Fibre optic interconnecting devices and passive components –

Connectors for optical fibres and cables

IEC 62572-2, Fibre optic active components and devices – Reliability standards – Part 2: Laser
module degradation
IEC 62572-3, Fibre optic active components and devices – Reliability standards – Part 3: Laser
modules used for telecommunication
IEC 61280 (all parts), Fibre optic communication subsystem test procedures
IEC 62007-2, Semiconductor optoelectronic devices for fibre optic system applications –
Part 2: Measuring methods
ITU-T G.957: Optical interfaces for equipments and systems relating to the synchronous digital
hierarchy
IEC TR 62572-2, Fibre optic active components and devices – Reliability standards – Part 2:
Laser module degradation
___________
IEC 62149-3 ®
Edition 3.0 2020-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Fibre optic active components and devices – Performance standards –
Part 3: Modulator-integrated laser diode transmitters for 40-Gbit/s fibre optic
transmission systems
Composants et dispositifs actifs fibroniques – Normes de performances –
Partie 3: Émetteurs à diodes laser à modulateur intégré pour systèmes de
transmission fibroniques 40 Gbit/s

– 2 – IEC 62149-3:2020 © IEC 2020

CONTENTS
FOREWORD . 3

INTRODUCTION . 5

1 Scope . 6

2 Normative references . 6

3 Terms, definitions and abbreviated terms . 7

3.1 Terms and definitions . 7

3.2 Abbreviated terms . 7
4 Product parameters . 7
4.1 Absolute limiting ratings . 7
4.2 Operating environment . 8
4.3 Functional specification. 8
4.4 Diagrams . 10
5 Testing . 10
5.1 General . 10
5.2 Characterization testing . 10
5.3 Performance testing . 12
6 Environmental specifications . 13
6.1 General safety . 13
6.2 Laser safety . 14
Bibliography . 15

Figure 1 – Schematic diagram . 10

Table 1 – Absolute limiting ratings . 8
Table 2 – Operating environment . 8
Table 3 – Operating conditions for functional specification . 9
Table 4 – Functional specification . 9
Table 5 – Characterization tests . 11
Table 6 – Performance test plan . 12
Table 7 – Recommended performance test failure criteria . 13

INTERNATIONAL ELECTROTECHNICAL COMMISSION

____________
FIBRE OPTIC ACTIVE COMPONENTS AND DEVICES –

PERFORMANCE STANDARDS –
Part 3: Modulator-integrated laser diode transmitters

for 40-Gbit/s fibre optic transmission systems

FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
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8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
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rights. IEC shall not be held responsible for identifying any or all such patent rights.

International Standard IEC 62149-3 has been prepared by subcommittee 86C: Fibre optic
systems and active devices, of IEC technical committee 86: Fibre optics.
This third edition cancels and replaces the second edition published in 2014 and constitutes a
technical revision.
This edition includes the following significant technical changes with respect to the previous
edition: updates of the title, scope, normative references and performance test tables.
The text of this International Standard is based on the following documents:
FDIS Report on voting
86C/1666/FDIS 86C/1676/RVD
Full information on the voting for the approval of this International Standard can be found in the
report on voting indicated in the above table.

– 4 – IEC 62149-3:2020 © IEC 2020

This document has been drafted in accordance with the ISO/IEC Directives, Part 2.

A list of all parts in the IEC 62149 series, published under the general title Fibre optic active

components and devices – Performance standards, can be found on the IEC website.

The committee has decided that the contents of this document will remain unchanged until the

stability date indicated on the IEC website under "http://webstore.iec.ch" in the data related to

the specific document. At this date, the document will be

• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
The contents of the corrigendum of February 2021 have been included in this copy.

INTRODUCTION
Fibre optic transmitters are used to convert electrical signals into optical signals. This document

covers the performance standard for optical modulators monolithically integrated with laser

diodes for 40 Gbit/s optical telecommunication systems. This document is applicable for on-off

keying format.
– 6 – IEC 62149-3:2020 © IEC 2020

FIBRE OPTIC ACTIVE COMPONENTS AND DEVICES –

PERFORMANCE STANDARDS –
Part 3: Modulator-integrated laser diode transmitters

for 40-Gbit/s fibre optic transmission systems

1 Scope
This part of IEC 62149 covers the performance specification for electroabsorption (EA) type
optical modulators monolithically integrated with laser diodes for 40 Gbit/s fibre optic
transmission systems. This document contains a definition of the product performance
requirements together with a series of sets of tests and measurements with clearly defined
conditions, severities and pass/fail criteria. The tests are intended to be run as an initial design
verification to prove any product's ability to satisfy this document's requirements. This document
is applicable for on-off keying format.
A product that has been shown to meet all the requirements of a performance standard can be
declared as compliant with the performance standard but will then be controlled by a quality
assurance program.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies.
For undated references, the latest edition of the referenced document (including any
amendments) applies.
IEC 60068-2-1, Environmental testing – Part 2-1: Tests – Test A: Cold
IEC 60068-2-2, Environmental testing – Part 2-2: Tests – Test B: Dry heat
IEC 60068-2-6, Environmental testing – Part 2-6: Tests – Test Fc: Vibration (sinusoidal)
IEC 60068-2-14, Environmental testing – Part 2-14: Tests – Test N: Change of temperature
IEC 60068-2-27, Environmental testing – Part 2-27: Tests – Test Ea and guidance: Shock

IEC 60068-2-78, Environmental testing – Part 2-78: Tests – Test Cab: Damp heat, steady state
IEC 60749-7, Semiconductor devices – Mechanical and climatic test methods – Part 7: Internal
moisture content measurement and the analysis of other residual gases
IEC 60749-26, Semiconductor devices – Mechanical and climatic test methods – Part 26:
Electrostatic discharge (ESD) sensitivity testing – Human body model (H
...