SpecificationS

coMponentS incLUDeD

pRacticaL eXpeRiMentS

IDIL Fibres Optics The aim of this educational kit is to familiarize students with optical components for Telecommunications (Laser diodes, optical fibers, isolators...). We propose a kit containing a laser diode pump, a multiplexer and an erbium doped fiber. With different components (attenuators, coupler, DFB laser, Bragg gratings...), it is possible to study :- the erbium doped fiber amplifier- the superfluorescent source- the linear and ring laser

Comprehensive teaching & training manualRack mounted componentsEye safe connectors

Competitive pricing

1 Pump laser @ 980 nm, 80 mW1 Erbium doped fiber (saturation power : 10 dBm, gain : >30 dB)1 DFB laser diode @ 1550 nm, 1 mW1 Fiber optic coupler 90/102 980/1550 nm multiplexers 3 Optical attenuators (5, 10 and 20 dB)

AMPLIFIERTransmitted pumpGain of the amplifier for different input signal levelsSaturation power measurementObservation of the optical spectrum of an amplified signal

SUPERFLUORESCENT SOURCEOutput power measurementResidual pump power measurementEvolution of the optical spectrum with pump power

FIBER LASERSOutput powerLaser optical spectrum for different pump powerBi and uni directional ring laser behaviourObservation of the fiber laser onsetMeasurement of the frequency of the relaxation oscillationsComparison of the laser onset with the field life timeObservation of the laser behaviour for high pump modulation(2T, 3T periodic behaviour and chaotic behaviour).

1 Gold mirrored fiber end1 Optical isolator1 Fiber Bragg grating1 Detector : InGaAs photodiode 9 Patchcords E2000/APC Diamond connectors

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ERBIUM DOPED FIBER AMPLIFIER AND FIBER LASER TRAINING KIT

PRODUCTSIDIL

System & components for science & industry

EDUCATIONAL kITS

Rue C laude Chappe - 22300 Lann ion - F rance - +33(0 )2 96 05 40 20 - +33(0 )2 96 05 40 25 - in fo@id i l . f r - www.idil.fr

Linear cavity fiber laser :

42, rue Claude CHAPPE 22300 LANNION - FRANCE - Tel : +33 (0)2.96.05.40.20. Fax : +33 (0)2.96.05.40.25.www.idil.fr – info@idil.fr

The aim of this educational kit is to familiarize students with optical components for Telecommunications (Laserdiodes, optical fibers, isolators...). We propose a kit containing a laser diode pump, a multiplexer and an erbiumdoped fiber. With different components (attenuators, coupler, DFB laser, Bragg gratings...), it is possible tostudy :

- the erbium doped fiber amplifier- the superfluorescent source- the linear and ring laser

COMPONENTS INCLUDED

1 Pump laser @ 980 nm, 80 mW 3 Optical attenuators (5, 10 and 20 dB)

1 Gold mirrored fiber end1

Erbium doped fiber (saturation power : 10 dBm,gain : >30 dB) 1 Optical isolator

1 DFB laser diode @ 1550 nm, 1 mW 1 Fiber Bragg grating

1 Fiber optic coupler 90/10 1 Detector : InGaAs photodiode

2 980/1550 nm multiplexers 9 Patchcords E2000/APC Diamond connectors

PRACTICAL EXPERIMENTS

AMPLIFIER :

Transmitted pumpGain of the amplifier for different input signal levelsSaturation power measurementObservation of the optical spectrum of an amplified signal

SUPERFLUORESCENT SOURCE :

Output power measurementResidual pump power measurementEvolution of the optical spectrum with pump power

FIBER LASERS :Output powerLaser optical spectrum for different pump powerBi and uni directional ring laser behaviourObservation of the fiber laser onsetMeasurement of the frequency of the relaxation oscillationsComparison of the laser onset with the field life timeObservation of the laser behaviour for high pump modulation(2T, 3T periodic behaviour and chaotic behaviour).

WD

M

Er dopedfiber

Isolator Pumpmeasurement

980 nmpump

DFB

WD

M

Amplifiedsignal

ERBIUM DOPED FIBER

AMPLIFIER AND FIBER LASER

TRAINING KIT

Features

Comprehensive teaching & training manual

Rack mounted components

Eye safe connectors

Competitive pricing

Coupler

WD

M

Er dopedfiber

Isolator

Pumpmeasurement

980 nmpump

WD

M

Laser output

Ring fiber laser :

WD

M

Er dopedfiber

IsolatorPumpmeasurement

980 nmpump

WD

M

Superfluorescentsignal

Gold mirror

Coupler

WD

M

Er dopedfiber

980 nmpump W

DM

Gold mirrorBragg grating

Laser outputPumpmeasurement

FIBRES OPTIQUESIDIL

>

>

>

pRacticaL DeMonStRation encLoSeD DocUMentation

eRBiUM DopeD fiBeR LaSeRS

tHeoReticaL LectURe noteS

OPTICAL AMPLIFICATION : Erbium Doped Fiber Amplifiers (EDFA) have revolutionized Telecommu-nications. They allow an amplification of 30 dB of optical signal without any bandwidth limitation, on a 40 nm band, centred at 1550 nm. Consequently, fiber optics Telecommunications systems can be upgraded only by changing the emitter and receiver systems. Their wide amplification band also enables the development of WDM transmission, with a capacity of up to 1 Tbits/s. Amplifiers are now the key elements of optical Telecommunications.IDIL. Fibres Optiques has developed a laboratory kit allowing a complete study of Erbium Doped Fiber Amplifiers (EDFA). Starting with the basic physical phenomena, this kit is suitable for the complete influence of many parameters such as the pumppower, the input signal level on EDFA performances (ASE noise, saturation power, gain, etc...). The kit is complete, with different components including an optical isolator, a 1550 nm DFB laser, three attenuators, a fiber Bragg grating... The documentation explains in detail the fabrication and performance of all these components. It also contains various lecture notes and practical exercises.

With the EDFA kit, students can make a complete investigation of the basics of optical amplification, by characterizing the EDFA key pa-rameters. Here are a few examples:- amplifier gain measurement, in relation to the input signal- saturation power measurement, in relation to the optical pump power.

The documentation of the kit is really complete. It contains, a detailed des-cription of the components, and many experimental examples.Experimental part :- Introduction- Description of components- Laser safety- Experiments : gain, saturation power, noise characteristics, ASE noise, superfluorescent source,linear and ring lasers.

Thanks to the modular presentation of the kit, it is possible to realize many types of sources :- superfluorescent source (ASE source)- linear cavity fiber laser- ring cavity fiber laser.Pump modulation allows the study of the laser onset :- the constant fluorescent level start-up- the relaxation oscillations.The observation of the various spectra enables a complete understanding of laser behaviour (fluorescence decay, saturation effects, gain or loss dependence of the working wavelength...)

IntroductionTheory of atomsOptical amplificationPumping mechanismsAmplifier noiseErbium doped fiber amplifiersErbium doped fiber lasers

The use of an optical spectrum analyser allows a complete study of an EDFA, by observing the evo-lution of fluorescence spectra for different configurations and pump power, for instance, the high wa-velengths shift for a low pump power. Of course, the gain measu-rements are simplified.

ERBIUM DOPED FIBER AMPLIFIER AND FIBRE LASER TRAINING KIT

PRODUCTSIDIL

System & components for science & industry

EDUCATIONAL kITS

Rue C laude Chappe - 22300 Lann ion - F rance - +33(0 )2 96 05 40 20 - +33(0 )2 96 05 40 25 - in fo@id i l . f r - www.idil.fr

FIBRES OPTIQUESIDIL

2/2

OPTICAL AMPLIFICATION :Erbium Doped Fiber Amplifiers (EDFA) haverevolutionized Telecommunications. They allow anamplification of 30 dB of optical signal without anybandwidth limitation, on a 40 nm band, centred at1550 nm. Consequently, fiber opticsTelecommunications systems can be upgraded onlyby changing the emitter and receiver systems. Theirwide amplification band also enables thedevelopment of WDM transmission, with a capacityof up to 1 Tbits/s. Amplifiers are now the keyelements of optical Telecommunications.

i.d.i.l. Fibres Optiques has developed alaboratory kitallowing a complete study of Erbium Doped FiberAmplifiers (EDFA). Starting with the basic physicalphenomena, this kit is suitable for the complete

influence of many parameters such as the pumppower, the input signal level on EDFA performances(ASE noise, saturation power, gain, etc...).The kit is complete, with different componentsincluding an optical isolator, a 1550 nm DFB laser,three attenuators, a fiber Bragg grating... Thedocumentation explains in detail the fabrication andperformance of all these components. It alsocontains various lecture notes and practicalexercises.

PRACTICAL DEMONSTRATION :With the EDFA kit, students can make a completeinvestigation of the basics of optical amplification,by characterizing the EDFA key parameters. Here area few examples:- amplifier gain measurement, in relation to the

input signal- saturation power measurement, in relation to the

optical pump power.

0

5

10

15

20

25

30

-30 -25 -20 -15 -10 -5 0Input Signal (dBm)

Gai

n (d

B) Ppump = 80 mW

Ppump = 50 mWPpump = 30 mW

The use of an optical spectrum analyser allows acomplete study of an EDFA, by observing theevolution of fluorescence spectra for differentconfigurations and pump power, for instance, the highwavelengths shift for a low pump power. Ofcourse, the gain measurements are simplified.

ERBIUM DOPED FIBER LASERS :Thanks to the modular presentation of the kit, it ispossible to realize many types of sources :- superfluorescent source (ASE source)- linear cavity fiber laser- ring cavity fiber laser.

Pump modulation allows the study of the laser onset :- the constant fluorescent level start-up- the relaxation oscillations.

The observation of the various spectra enables acomplete understanding of laser behaviour(fluorescence decay, saturation effects, gain or lossdependence of the working wavelength...)

Time (ms)

Laser output

020406080

100120140160

0 1 2 3 4 5 6 7 8

Laser onset

ENCLOSED DOCUMENTATION :The documentation of the kit is really complete. Itcontains, a detailed description of the components,and many experimental examples.Experimental part :- Introduction- Description of components- Laser safety- Experiments : gain, saturation power, noise

characteristics, ASE noise, superfluorescent source,linear and ring lasers.

THEORETICAL LECTURE NOTES :IntroductionTheory of atomsOptical amplificationPumping mechanismsAmplifier noiseErbium doped fiber amplifiersErbium doped fiber lasers

42, rue Claude CHAPPE 22300 LANNION - FRANCE - Tel : +33 (0)2.96.05.40.20. Fax : +33 (0)2.96.05.40.25.www.idil.fr – info@idil.fr

OPTICAL AMPLIFICATION :Erbium Doped Fiber Amplifiers (EDFA) haverevolutionized Telecommunications. They allow anamplification of 30 dB of optical signal without anybandwidth limitation, on a 40 nm band, centred at1550 nm. Consequently, fiber opticsTelecommunications systems can be upgraded onlyby changing the emitter and receiver systems. Theirwide amplification band also enables thedevelopment of WDM transmission, with a capacityof up to 1 Tbits/s. Amplifiers are now the keyelements of optical Telecommunications.

i.d.i.l. Fibres Optiques has developed alaboratory kitallowing a complete study of Erbium Doped FiberAmplifiers (EDFA). Starting with the basic physicalphenomena, this kit is suitable for the complete

influence of many parameters such as the pumppower, the input signal level on EDFA performances(ASE noise, saturation power, gain, etc...).The kit is complete, with different componentsincluding an optical isolator, a 1550 nm DFB laser,three attenuators, a fiber Bragg grating... Thedocumentation explains in detail the fabrication andperformance of all these components. It alsocontains various lecture notes and practicalexercises.

PRACTICAL DEMONSTRATION :With the EDFA kit, students can make a completeinvestigation of the basics of optical amplification,by characterizing the EDFA key parameters. Here area few examples:- amplifier gain measurement, in relation to the

input signal- saturation power measurement, in relation to the

optical pump power.

0

5

10

15

20

25

30

-30 -25 -20 -15 -10 -5 0Input Signal (dBm)

Gai

n (d

B) Ppump = 80 mW

Ppump = 50 mWPpump = 30 mW

The use of an optical spectrum analyser allows acomplete study of an EDFA, by observing theevolution of fluorescence spectra for differentconfigurations and pump power, for instance, the highwavelengths shift for a low pump power. Ofcourse, the gain measurements are simplified.

ERBIUM DOPED FIBER LASERS :Thanks to the modular presentation of the kit, it ispossible to realize many types of sources :- superfluorescent source (ASE source)- linear cavity fiber laser- ring cavity fiber laser.

Pump modulation allows the study of the laser onset :- the constant fluorescent level start-up- the relaxation oscillations.

The observation of the various spectra enables acomplete understanding of laser behaviour(fluorescence decay, saturation effects, gain or lossdependence of the working wavelength...)

Time (ms)

Laser output

020406080

100120140160

0 1 2 3 4 5 6 7 8

Laser onset

ENCLOSED DOCUMENTATION :The documentation of the kit is really complete. Itcontains, a detailed description of the components,and many experimental examples.Experimental part :- Introduction- Description of components- Laser safety- Experiments : gain, saturation power, noise

characteristics, ASE noise, superfluorescent source,linear and ring lasers.

THEORETICAL LECTURE NOTES :IntroductionTheory of atomsOptical amplificationPumping mechanismsAmplifier noiseErbium doped fiber amplifiersErbium doped fiber lasers

42, rue Claude CHAPPE 22300 LANNION - FRANCE - Tel : +33 (0)2.96.05.40.20. Fax : +33 (0)2.96.05.40.25.www.idil.fr – info@idil.fr

OPTICAL AMPLIFICATION :Erbium Doped Fiber Amplifiers (EDFA) haverevolutionized Telecommunications. They allow anamplification of 30 dB of optical signal without anybandwidth limitation, on a 40 nm band, centred at1550 nm. Consequently, fiber opticsTelecommunications systems can be upgraded onlyby changing the emitter and receiver systems. Theirwide amplification band also enables thedevelopment of WDM transmission, with a capacityof up to 1 Tbits/s. Amplifiers are now the keyelements of optical Telecommunications.

i.d.i.l. Fibres Optiques has developed alaboratory kitallowing a complete study of Erbium Doped FiberAmplifiers (EDFA). Starting with the basic physicalphenomena, this kit is suitable for the complete

influence of many parameters such as the pumppower, the input signal level on EDFA performances(ASE noise, saturation power, gain, etc...).The kit is complete, with different componentsincluding an optical isolator, a 1550 nm DFB laser,three attenuators, a fiber Bragg grating... Thedocumentation explains in detail the fabrication andperformance of all these components. It alsocontains various lecture notes and practicalexercises.

PRACTICAL DEMONSTRATION :With the EDFA kit, students can make a completeinvestigation of the basics of optical amplification,by characterizing the EDFA key parameters. Here area few examples:- amplifier gain measurement, in relation to the

input signal- saturation power measurement, in relation to the

optical pump power.

0

5

10

15

20

25

30

-30 -25 -20 -15 -10 -5 0Input Signal (dBm)

Gai

n (d

B) Ppump = 80 mW

Ppump = 50 mWPpump = 30 mW

The use of an optical spectrum analyser allows acomplete study of an EDFA, by observing theevolution of fluorescence spectra for differentconfigurations and pump power, for instance, the highwavelengths shift for a low pump power. Ofcourse, the gain measurements are simplified.

ERBIUM DOPED FIBER LASERS :Thanks to the modular presentation of the kit, it ispossible to realize many types of sources :- superfluorescent source (ASE source)- linear cavity fiber laser- ring cavity fiber laser.

Pump modulation allows the study of the laser onset :- the constant fluorescent level start-up- the relaxation oscillations.

The observation of the various spectra enables acomplete understanding of laser behaviour(fluorescence decay, saturation effects, gain or lossdependence of the working wavelength...)

Time (ms)

Laser output

020406080

100120140160

0 1 2 3 4 5 6 7 8

Laser onset

ENCLOSED DOCUMENTATION :The documentation of the kit is really complete. Itcontains, a detailed description of the components,and many experimental examples.Experimental part :- Introduction- Description of components- Laser safety- Experiments : gain, saturation power, noise

characteristics, ASE noise, superfluorescent source,linear and ring lasers.

THEORETICAL LECTURE NOTES :IntroductionTheory of atomsOptical amplificationPumping mechanismsAmplifier noiseErbium doped fiber amplifiersErbium doped fiber lasers

42, rue Claude CHAPPE 22300 LANNION - FRANCE - Tel : +33 (0)2.96.05.40.20. Fax : +33 (0)2.96.05.40.25.www.idil.fr – info@idil.fr