Pulse-shaping mechanism in colliding-pulse mode-locked laser diodes

Bischoff, S.; Sørensen, Mads Peter; Mørk, Jesper; Brorson, S. D.; Franck, T.; Nielsen, J.M.; Moller-Larsen, A.

doi:10.1063/1.115303

Cited by 26 publications

(15 citation statements)

References 9 publications

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“…In spite of the limited integrability of external-cavity mode-locked semiconductor lasers (ECMLLs), they are particularly interesting as optical sources for laboratory use, tunable both in wavelength and repetition rate [1] and for high power generation [2]. To date, most of the mode-locked semiconductor lasers generating pulses shorter than one picosecond are of the type of colliding-pulse mode-locking which are not tunable [3]. In ECMLLs, two different approaches have been devised to overcome the picosecond frontier: i) hybrid mode-locking with intracavity dispersion compensation [4] and ii) integrated ion bombarded saturable absorbers [5].…”

Section: Introductionmentioning

confidence: 99%

Pulse properties of external-cavity mode-locked semiconductor lasers

Mulet¹,

Kroh²,

Mørk³

2006

Opt. Express

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Abstract:The performance of an external-cavity mode-locked semiconductor laser is investigated both theoretically and experimentally. The optimization analysis focuses on the regimes of stable mode locking and the generation of sub-picosecond optical pulses. We demonstrate stable output pulses down to one picosecond duration with more than 30 dB trailing pulse suppression. The limiting factors to the device performance are investigated on the basis of a fully-distributed time-domain model. We find that ultrafast gain dynamics effectively reduce the pulse-shaping strength and inhibit the generation of femtosecond optical pulses.

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Section: Introductionmentioning

confidence: 99%

Pulse properties of external-cavity mode-locked semiconductor lasers

Mulet¹,

Kroh²,

Mørk³

2006

Opt. Express

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“…6 The model described in Ref. 6 has been improved by incorporating a more detailed model for the refractive index dynamics of the absorber section.…”

Section: Chirp Of Monolithic Colliding Pulse Mode-locked Diode Lasersmentioning

confidence: 99%

Chirp of monolithic colliding pulse mode-locked diode lasers

Hofmann¹,

Bischoff²,

Franck³

et al. 1997

Applied Physics Letters

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Spectrally resolved streak camera measurements of picosecond pulses emitted by hybridly colliding pulse mode-locked (CPM) laser diodes are presented in this letter. Depending on the modulation frequency both blue-chirped (upchirped) and red-chirped (downchirped) pulses can be observed. The two different regimes and the transition between them are characterized experimentally and the behavior is explained on the basis of our model for the CPM laser dynamics.

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“…validates the linear expansion in (7) and (8). The carrier recovery in the reverse bias in the saturable absorber is described based on the experimental results [17], [18].…”

Section: V«)mentioning

confidence: 99%

Ultrashort Pulse, Monolithic Modelocked Lasers for WDM Systems

Dapkus¹

2001

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Pulse-shaping mechanism in colliding-pulse mode-locked laser diodes

Cited by 26 publications

References 9 publications

Pulse properties of external-cavity mode-locked semiconductor lasers

Pulse properties of external-cavity mode-locked semiconductor lasers

Chirp of monolithic colliding pulse mode-locked diode lasers

Ultrashort Pulse, Monolithic Modelocked Lasers for WDM Systems

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