Presentation given to the Canadian Institute of Photonics Innovation AGM. Design and implementation of a tunable, triple-wavelength laser.

1. Raphael Bouskila,Raphael Bouskila, Martin RochetteMartin Rochette
Photonic Systems GroupPhotonic Systems Group
McGill University, Montréal QCMcGill University, Montréal QC
Three-wavelength self-pulsatingThree-wavelength self-pulsating
fiber sourcefiber source

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OutlineOutline
 IntroductionIntroduction
 3-wavelength ring configuration3-wavelength ring configuration
 3-wavelength polarization-based3-wavelength polarization-based
recirculating configurationrecirculating configuration
– ResultsResults
 ConclusionConclusion

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IntroductionIntroduction
 Self-pulsating fiber source based on 2R opticalSelf-pulsating fiber source based on 2R optical
regeneratorregenerator

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IntroductionIntroduction
 Self-pulsation arises in ring configurationSelf-pulsation arises in ring configuration

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IntroductionIntroduction
 We would likeWe would like
– More wavelengthsMore wavelengths
– Fewer expensive components (HNLF,Fewer expensive components (HNLF,
EDFAs)EDFAs)
 We will deal with each issue in turnWe will deal with each issue in turn

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Three-wavelength sourceThree-wavelength source

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Polarization-based setupPolarization-based setup
 Fewer EDFAs, lengths of HNLF requiredFewer EDFAs, lengths of HNLF required
 Functionally similarFunctionally similar

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Optical spectraOptical spectra
-60
-55
-50
-45
-40
-35
-30
-25
-20
-15
1520 1525 1530 1535 1540 1545 1550
Wavelength (nm)
Power(dBm)
Lambda1 unfiltered Lambda1 filtered Lambda2 filtered Lambda3 filtered

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RF spectrumRF spectrum
-130
-120
-110
-100
-90
-80
-70
-60
-50
0 50 100 150 200 250
Frequency (kHz)
Power(dBm)
48 kHz  4.31 km

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ConclusionConclusion
 We have demonstrated an SPM-basedWe have demonstrated an SPM-based
self-pulsating source that isself-pulsating source that is
– MultiwavelengthMultiwavelength
– EconomicalEconomical
– FlexibleFlexible
– Simple in designSimple in design