Self-Pulsation Dynamics in Narrow Stripe Semiconductor Lasers

Landais, Pascal; Lynch, Stephen Anthony; O’Gorman, J.; Fischer, Ingo; Elsaer, W.

doi:10.1109/jqe.2006.872309

Cited by 3 publications

(4 citation statements)

References 36 publications

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“…However, Ref. [27] also reports a monotonic increase of pulsing frequency with current whereas we see a strongly nonmonotonic behavior and the pulsations frequencies are larger than 1 GHz. Apart from self-pulsing, one might envisage erratic or deterministic switching between different longitudinal modes (or groups of modes) due to the saturation effects of the standing waves inside the laser medium but this is not what we see.…”

Section: Discussioncontrasting

confidence: 44%

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Low-frequency self-pulsing in single-section quantum-dot laser diodes and its relation to optothermal pulsations

Tierno

Radwell

Ackemann³

2011

Phys. Rev. A

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Self-sustained pulsations in the output of an InAs quantum dot laser diode in the MHz range are reported. The characteristics (shape, range, and frequency) are presented for the free-running laser and when optical feedback in the Littrow configuration is applied. Bistability in the light-current characteristics is observed for operating wavelengths smaller than the gain peak, but it is not present for wavelengths above the gain peak and for the free-running laser, except at elevated temperatures. The temporal evolution of the envelopes of the optical spectra is very different for operation below, around, and above the gain peak, which might be related to a change of phase-amplitude coupling across the gain maximum, in agreement with the expectation for a two-level system. The time scale and the bifurcation scenario, supported by an initial blueshift of the emission wavelength of each longitudinal mode in time-resolved optical spectra, suggests that these are optothermal pulsations similar to those reported in quantum well amplifiers [Phys. Rev. E 68, 036209 (2003)]. The mechanism of pulsation seems to be a destabilization of bistable states (due to saturable absorption in the beam wings) by a slow thermal change in the waveguiding properties

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Section: Discussioncontrasting

confidence: 44%

“…Another alternative mechanism known to enable selfpulsations in single-section lasers is spatial hole burning (SHB) [27]. However, Ref.…”

Section: Discussionmentioning

confidence: 99%

Low-frequency self-pulsing in single-section quantum-dot laser diodes and its relation to optothermal pulsations

Tierno

Radwell

Ackemann³

2011

Phys. Rev. A

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“…The optical spectrum of a directly modulated laser is also inherently double-sideband. Specially designed lasers such as self-pulsating and mode-locked lasers can be operated at much higher frequencies (Landais et al 2006;Novak et al 1995). However, these methods rely on the resonances of the cavity and thus have a limited tuning range.…”

Section: Photonic Microwave Applicationsmentioning

confidence: 99%

Novel photonic applications of nonlinear semiconductor laser dynamics

2007

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With a proper perturbation, even a single-mode semiconductor laser can exhibit highly complex dynamical characteristics ranging from stable, narrow-linewidth oscillation to broadband chaos. In recent years, three approaches to invoke complex nonlinear dynamical states in a single-mode semiconductor laser have been thoroughly studied: optical injection, optical feedback, and optoelectronic feedback. In each case, the nonlinear dynamics of the semiconductor laser depends on five intrinsic laser parameters and three operational parameters. The dynamical state of a given laser can be precisely controlled by properly adjusting the three operational parameters. This ability to control the dynamical behavior of a laser, combined with the understanding of its characteristics, opens up the opportunity for a wide range of novel applications. This paper illustrates the utilization of the rich nonlinear dynamics of single-mode semiconductor lasers by focusing on the period-one oscillation for its applications in tunable photonic microwave generation, AM-to-FM conversion, and dual-frequency precision Doppler lidar.

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“…Self-pulsating devices have been shown to be very useful for many applications such as optical data storage systems (compact disc players) because they exhibit very low intensity noise characteristics e.g a reduced optical feedback sensitivity. 15 Fig. 2(b) shows the stable bias condition for ML under maximum optical feedback.…”

mentioning

confidence: 99%

Optical feedback instabilities in a monolithic InAs/GaAs quantum dot passively mode-locked laser

Grillot

Lin

Naderi

et al. 2009

Applied Physics Letters

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International audienceThe impact of optical feedback on the direct performance of a monolithic InAs/GaAs quantum dot passively mode-locked laser intended for applications such as multigigahertz interchip/intrachip clock distribution is experimentally investigated. Evaluation of the feedback resistance is an important feature, as the laser is to be monolithically integrated on chip with other devices, in which case optical isolation is difficult. This work shows that a feedback level on the order of −24 dB is detrimental for mode-locking operation, enhancing noise in the rf electrical signal, strongly narrowing the useful mode-locking region as well as causing central frequency shift, and severe instabilities

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Self-Pulsation Dynamics in Narrow Stripe Semiconductor Lasers

Cited by 3 publications

References 36 publications

Low-frequency self-pulsing in single-section quantum-dot laser diodes and its relation to optothermal pulsations

Low-frequency self-pulsing in single-section quantum-dot laser diodes and its relation to optothermal pulsations

Novel photonic applications of nonlinear semiconductor laser dynamics

Optical feedback instabilities in a monolithic InAs/GaAs quantum dot passively mode-locked laser

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