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A Study on the Photoelectric Properties of Dual Ridge Terahertz Quantum Cascade Lasers at 3.1 THz [PDF]
Nanomaterials, 2022 High-power, incoherent THz array sources are widely desired in some applications due to their low energy, unique terahertz fingerprint, and image. In this work, a dual ridge terahertz quantum cascade laser lasing at 3.1 THz is presented, and the device’s
Qi Yang +9 more
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Ultrafast Pulse Generation from Quantum Cascade Lasers [PDF]
Micromachines, 2022 Quantum cascade lasers (QCLs) have broken the spectral barriers of semiconductor lasers and enabled a range of applications in the mid-infrared (MIR) and terahertz (THz) regimes. However, until recently, generating ultrashort and intense pulses from QCLs
Feihu Wang +4 more
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Surface-emitting ring quantum cascade lasers [PDF]
NanophotonicsThis review highlights the development and diverse applications of surface-emitting ring quantum cascade lasers. These lasers, featuring a ring-shaped cavity and a second-order distributed feedback grating, enable controlled surface emission, stable ...
Szedlak Rolf +2 more
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InAs-Based Quantum Cascade Lasers with Extremely Low Threshold
Photonics, 2022 We report InAs-based quantum cascade lasers (QCLs) operating near 14 µm with a threshold current density Jth as low as 0.6 kA/cm2 at room temperature. The threshold obtained is lower than the Jth of the best reported InP-based QCLs to date without facet ...
Kumar Kinjalk +5 more
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Measurement of the cavity dispersion in quantum cascade lasers using subthreshold luminescence [PDF]
NanophotonicsThe measurement of the cavity dispersion is a key ingredient in the characterization of a laser frequency comb due to its fundamental role in predicting the multimode laser dynamics.
Schneider Barbara, Faist Jérôme
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Quantum cascade lasers grown on silicon [PDF]
Scientific Reports, 2018 Technological platforms offering efficient integration of III-V semiconductor lasers with silicon electronics are eagerly awaited by industry. The availability of optoelectronic circuits combining III-V light sources with Si-based photonic and electronic
Hoang Nguyen-Van +11 more
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Photonics, 2022 The topic of external optical feedback in quantum-cascade lasers is relevant for stability and beam-properties considerations. Albeit less sensitive to external optical feedback than other lasers, quantum-cascade lasers can exhibit several behaviors ...
Olivier Spitz +2 more
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Mid-infrared III–V semiconductor lasers epitaxially grown on Si substrates
Light: Science & Applications, 2022 There is currently much activity toward the integration of mid-infrared semiconductor lasers on Si substrates for developing a variety of smart, compact, sensors based on Si-photonics integrated circuits.
Eric Tournié +8 more
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Frequency combs in quantum cascade lasers: An overview of modeling and experiments
APL Photonics, 2023 Over the past decade, the demonstration of frequency combs has been reported in a wide range of quantum cascade lasers. These combs have huge potential in applications, including spectroscopy, sensing, imaging, and communication domains.
Carlo Silvestri +4 more
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APL Photonics, 2023 Terahertz quantum cascade laser sources based on intra-cavity Cherenkov difference-frequency generation in dual-wavelength mid-infrared quantum cascade lasers are currently the only monolithic semiconductor laser technology that can deliver continuous ...
Wolfhard Oberhausen +7 more
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