10 × 10 GHz simultaneously modelocked multiwavelength fibre ring laser

Papakyriakopoulos, T.; Stavdas, A.; Protonotarios, E.N.; Avramopoulos, H.

doi:10.1049/el:19990382

Cited by 29 publications

(7 citation statements)

References 5 publications

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“…Note that if the same value of small signal gain as for the 10 GHz operation is used, the mode -locked pulses are longer, 7 ps, with lower energy, Uo = 0.22. In order to assess the ability of the model for quantitative prediction, the parameter values from the experimental set up were substituted in equations (11), (14), (15) and (16). At 10 GHz, with an experimental value for gss 1.53 and using a filter of 5 nm spectral bandwidth and external modulating pulses of 8 ps width, the model predicts mode -locked pulses of 4.5 ps duration with normalized energy 0.45 and external pulses with normalized energy 0.46.…”

Section: Simulation Results and Discussionmentioning

confidence: 99%

“…Actively mode -locked laser sources with an intracavity SOA have been demonstrated by several research groups [10 -15] to generate short optical pulses at various repetition rates. In these configurations the SOA provides either the necessary gain exceeding the ring laser cavity loss in combination with an intracavity electroabsorption [10] or electrooptic modulator [11] or both gain and electrically controlled gain modulation [12 -15].…”

Section: Introductionmentioning

confidence: 99%

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Numerical Modeling of a High Repetition Rate Fiber Laser, Mode — Locked by External Optical Modulation of a Semiconductor Optical Amplifier

Zoiros

Stathopoulos

Vlachos

et al. 2001

IFIP Advances in Information and Communication Technology

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A theoretical study of a high repetition rate laser source based on a novel modelocking technique is presented. This technique relies on the fast saturation and recovery of a semiconductor optical amplifier induced by an external optical pulse and has been used to obtain 4.3 ps pulses at 20 GHz. A numerical model of the fiber ring laser has been developed describing the mode -locking process in the laser oscillator and providing solutions for the steady -state mode -locked pulse profile. The critical parameters of the system are defined and analyzed and their impact on the formation of the mode -locked pulses is examined. The comparison between the theoretical results and the experimental data reveals very good agreement and has allowed the optimization of the performance of the system in terms of these parameters.

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Section: Simulation Results and Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Numerical Modeling of a High Repetition Rate Fiber Laser, Mode — Locked by External Optical Modulation of a Semiconductor Optical Amplifier

Zoiros

Stathopoulos

Vlachos

et al. 2001

IFIP Advances in Information and Communication Technology

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“…A large number of approaches have been taken to generate multi-wavelength outputs simultaneously, such as multi-wavelength erbium-doped fiber lasers [1,2], multi-wavelength Raman lasers [3,4], and semiconductor optical amplifiers (SOAs)-based fiber lasers [5,6]. Due to homogeneous broadening of lasing modes in Er-doped fibers laser, it is difficult to obtain stable multi-wavelength light sources.…”

Section: Introductionmentioning

confidence: 99%

Tunable 19×10GHz L-band FP-SOA based multi-wavelength mode-locked fiber laser

Wang

Zhang

2010

Optics Communications

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“…Therefore, besides the time domain application, people also try to use the mode locked laser as a multiwavelength source in the optical wavelength division multiplexing ͑WDM͒ communication system. 5 The active mode locked laser has been studied theoretically. There are two kinds of modeling methods.…”

Section: Introductionmentioning

confidence: 99%

Classical coupled oscillators model of the rational harmonic mode locked laser

Chen

2006

Journal of Applied Physics

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A coupled modes method is proposed to simulate the active mode locked laser. In this method, the electric fields of optical modes in the laser cavity are treated as free classical oscillators. The optical modulator provides the coupling among them. It is found that the eigenvalue of this coupled system is corresponding to the threshold optical gain, and the eigenfunction is corresponding to the optical field of each mode. The simulation results agree with the Master equation and experiments. Especially the model can be applied to the rational harmonic mode locking case by introducing the concept of ghost modes. The multitrip photons form a set of ghost modes or very weak oscillators. These ghost oscillators play the crucial rule working as the bridge to transfer energy and couple the real cavity modes/oscillators together. The model demonstrates both time domain pulse repetition rate multiplication and the frequency domain mode distribution. The proposed method will help understand the physics of rational harmonic mode locking mechanism and assist the design of devices such as optical pulse generator and multiwavelength laser. Therefore it should have great application in the optical signal generation and processing.

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10 × 10 GHz simultaneously modelocked multiwavelength fibre ring laser

Cited by 29 publications

References 5 publications

Numerical Modeling of a High Repetition Rate Fiber Laser, Mode — Locked by External Optical Modulation of a Semiconductor Optical Amplifier

Numerical Modeling of a High Repetition Rate Fiber Laser, Mode — Locked by External Optical Modulation of a Semiconductor Optical Amplifier

Tunable 19×10GHz L-band FP-SOA based multi-wavelength mode-locked fiber laser

Classical coupled oscillators model of the rational harmonic mode locked laser

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