InAs/InP Quantum-Dot Passively Mode-Locked Lasers for 1.55-μ m Applications

Rosales, Ricardo; Merghem, K.; Martinez, A.; Akrout, Akram; Tourrenc, J.P.; Accard, A.; Lelarge, F.; Ramdane, A.

doi:10.1109/jstqe.2011.2116772

Cited by 100 publications

(64 citation statements)

References 46 publications

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“…From now on, we call the laser with longer absorber "D 1 " and the device with shorter absorber as "D 2 ". Both devices operated in saturable-absorber dominated modelocked (SAML) regimes [18], [19] when the absorbers were biased well below the transparency point (≈0.9 V). The bias operational parameters of the device for SAML operation were typically around 100-200 mA for gain current and approximate absorber voltage of -0.6 V to 0.3 V for D 1 and -1.1 V to 0.3 V for D 2 .…”

Section: Experimental Arrangement For Injection Locking and Devicmentioning

confidence: 99%

Optical Frequency Comb Generation Using Dual-Mode Injection-Locking of Quantum-Dash Mode-Locked Lasers: Properties and Applications

Sooudi

Sygletos

Ellis

et al. 2012

IEEE J. Quantum Electron.

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Abstract-In this paper, we describe generation and application of wide, narrow linewidth optical frequency combs using dualmode injection-locking of InP quantum-dash mode-locked lasers. In the first part, the dependence of the RF locking-range on the device's absorber voltage is experimentally investigated. Under optimized absorber voltage, a continuous, wide RF locking-range of ≈400 MHz is achievable for lasers with 21 GHz repetition rate. The total RF locking-range of ≈440 MHz is possible considering of locking-range for positive and negative absorber voltages. This wide tuning >2% of the repetition rate, a record for a monolithic mode-locked laser, is reported from a two-section device without any additional passive section or extended-cavity for repetition rate tuning. It is shown that the effective RF locking-range in dual-mode injection corresponds to the optical locking-range and repetition rate tuning under CW injection which is wider when the free-running mode-locking operation is "less stable". The widest comb consists of 35 narrow lines within 10 dB of the peak, spanning ≈ 0.7 THz, generating 3.7 ps pulses. In the second part, we show the first demonstration of multi pump phase-synchronization of two 10 Gb/s DPSK channels in a phasesensitive amplifier using dual-mode injection-locking technique. The phase-sensitive amplifier based on "black box" scheme shows more than 7 dB phase-sensitive gain and error free performance for both input channels with 1 dB penalty.Index Terms-Mode-locked lasers, optical-injection-locking, optical frequency combs, quantum-dash lasers, and phasesensitive amplifiers.

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Section: Experimental Arrangement For Injection Locking and Devicmentioning

confidence: 99%

Optical Frequency Comb Generation Using Dual-Mode Injection-Locking of Quantum-Dash Mode-Locked Lasers: Properties and Applications

Sooudi

Sygletos

Ellis

et al. 2012

IEEE J. Quantum Electron.

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“…A QD-based passively mode-locked laser with a 12-nm 3-dB optical bandwidth was presented in [23]. A frequency comb of more than 16 nm was demonstrated from a Q-dash laser in [24].…”

Section: Introductionmentioning

confidence: 99%

Sub-picosecond pulse and terahertz optical frequency comb generation by monolithically integrated linear mode-locked laser

Guzmán

Ali

et al. 2017

SPIE Proceedings

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We report on a record broad 3-dB bandwidth of 14 nm (~1.8 THz around 1532 nm) optical frequency comb generated from a passively mode-locked quantum-well (QW) laser in the form of photonic integrated circuits through an InP generic photonic integration technology platform. This 21.5-GHz colliding-pulse mode-locked laser cavity is defined by two on-chip reflectors incorporating intracavity phase modulators followed by an out-of-cavity SOA as booster. Under certain operating conditions, an ultra-wide spectral bandwidth is achieved along with an autocorrelation trace confirming the mode locking nature exhibiting a pulse width of 0.35 ps. The beat note RF spectrum has a linewidth of sub-MHz and 35-dB SNR.

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“…Broad gain, high degree of tunability and, in some cases, a high surface density 1,3-8 make their optical properties favorable over other quasi-zero dimensional structures for many telecommunication applications. InP QDash structures are now commonly used in high performance lasers and optical amplifiers operating at 1.55 µm 1,3,9 . They also show some promises for possible future single-photon technologies.…”

Section: Introductionmentioning

confidence: 99%

Double quantum dot in a quantum dash: Optical properties

Kaczmarkiewicz

Machnikowski

Kuhn

2013

Journal of Applied Physics

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We study the optical properties of highly anisotropic quantum dot structures (quantum dashes) characterized by the presence of two trapping centers located along the structure. Such a system can exhibit some of the properties characteristic for double quantum dots. We show that suband super-radiant states can form for certain quantum dash geometries, which is manifested by a pronounced transfer of intensity between spectral lines, accompanied by the appearance of strong electron-hole correlations. We also compare exciton absorption spectra and polarization properties of a system with a single and double trapping center and show how the geometry of multiple trapping centers influences the optical properties of the system. We show that for a broad range of trapping geometries the relative absorption intensity of the ground state is larger than that of the lowest excited states, contrary to the quantum dash systems characterized by a single trapping center. Thus, optical properties of these structures are determined by fine details of their morphology.

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InAs/InP Quantum-Dot Passively Mode-Locked Lasers for 1.55-μ m Applications

Cited by 100 publications

References 46 publications

Optical Frequency Comb Generation Using Dual-Mode Injection-Locking of Quantum-Dash Mode-Locked Lasers: Properties and Applications

Optical Frequency Comb Generation Using Dual-Mode Injection-Locking of Quantum-Dash Mode-Locked Lasers: Properties and Applications

Sub-picosecond pulse and terahertz optical frequency comb generation by monolithically integrated linear mode-locked laser

Double quantum dot in a quantum dash: Optical properties

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