Interband cascade lasers
Electrical tuning of the oscillator strength in type II InAs/GaInSb quantum wells for active region of passively mode locked interband cascade lasers
... locked interband cascade lasers and opens a pathway for practical realization of a dual comb spectrometer operating in the mid-infrared spectral range, based on ICL ...
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Monolithic frequency comb platform based on interband cascade lasers and detectors
... of interband cascade lasers reveal the possibility to generate frequency-modulated combs by utilizing their inherent gain ...power, interband cascade laser technology provides a ...
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Type II quantum wells with tensile strained GaAsSb layers for interband cascade lasers with tailored valence band mixing
... We have studied type-II W-design AlSb/InAs/GaAsSb/ InAs/AlSb QWs grown on GaSb and InAs substrates, consid- ering the changes in the layers’ thickness, the GaAsSb compo- sition, and hence the related strain (differing ...
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Interface intermixing in type II InAs/GaInAsSb quantum wells designed for active regions of mid infrared emitting interband cascade lasers
... formance interband cascade lasers and that additional work on the technological side is necessary to minimize interface diffusion when GaInAsSb layers are ...
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Monolithic single mode interband cascade lasers with wide wavelength tunability
... Abstract: Monolithic two-section interband cascade lasers offering a wide wavelength tunability in the wavelength range around 3.7 µm are presented. Stable single mode emission in several wavelength ...
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Interface Intermixing in Type II InAs/GaInAsSb Quantum Wells Designed for Active Regions of Mid Infrared Emitting Interband Cascade Lasers
... formance interband cascade lasers and that additional work on the technological side is necessary to minimize interface diffusion when GaInAsSb layers are ...
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On the modified active region design of interband cascade lasers
... (Received 16 November 2014; accepted 11 February 2015; published online 25 February 2015) Type II InAs/GaInSb quantum wells (QWs) grown on GaSb or InAs substrates and designed to be integrated in the active region of ...
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Single mode interband cascade lasers emitting below 2 8 μm
... densities: Cascaded type-I QW devices were published with around 100 A/cm 2 for quinary diode lasers 8,9 and with around 300 A/cm 2 for a superlattice design. 10 Based on QCL technology, threshold current ...
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Substrate emitting ring interband cascade lasers
... to interband lasers, the intersubband selection rule restricts QCLs to favor TM polarized waveguide ...in interband and intersub- band ring ...in interband and intersubband cascade ...
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Optimizing the active region of interband cascade lasers for passive mode locking
... fiber lasers on GaInAs and GaSb-based semiconductor saturable absorber mirrors (SESAMs) has been achieved, especially near 2 µ ...diode lasers at ...
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Temperature Dependent High Speed Dynamics of Terahertz Quantum Cascade Lasers
... quantum-cascade lasers, and quantum-well infrared photodetectors from near- to far-infrared and terahertz spectral ...quantum-cascade lasers and interband cascade lasers ...
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Temperature dependent high speed dynamics of terahertz quantum cascade lasers
... quantum-cascade lasers, and quantum-well infrared photodetectors from near- to far-infrared and terahertz spectral ...quantum-cascade lasers and interband cascade lasers ...
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Double waveguide interband cascade laser with dual wavelength emission
... power, interband cascade lasers (ICLs) [1] have evolved to competitive mid infrared (MIR) laser sources that can easily cover a wide spectral range since the transition energy can be varied ...
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Silver-based surface plasmon waveguide for terahertz quantum cascade lasers
... Section 3. Four wafers labeled A1, A2, B1 and B2 are compared in Table 2. A1 and A2 are based on a three-well resonant-phonon active region design [14], with a larger oscillator strength in the case of A2. B1 and B2 are ...
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Planar integrated metasurfaces for highly-collimated terahertz quantum cascade lasers
... of a properly polarized laser beam on an input coupler (such as a prism or grating), where the SPs are generated. However, these methods often require meticulous alignment of the external optical components, which are ...
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Coupled-cavity terahertz quantum cascade lasers for single mode operation
... (315 GHz, 155 GHz, 115 GHz, and 80 GHz for cavity lengths of 125 lm, 255 lm, 350 lm, and 515 lm, respectively). In an effective mirror picture, this is produced by the etalon effect of the short cavity þ air gap, which ...
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Terahertz imaging using quantum cascade lasers — a review of systems and applications
... electrons are confined into discrete energy subbands. These layers form periodic modules, and when placed in an external electric field, the electrons ‘cascade’ from period-to-period, emitting a low-energy photon ...
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Development of Terahertz Frequency Quantum Cascade Lasers for the Applications as Local Oscillators
... Here, we present the fabrication of THz frequency quantum cascade lasers (QCLs) emitting at 3.5 THz, as well as a new and robust integration scheme. The paper is organized as follows. In section 2, we ...
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Optical feedback effects on terahertz quantum cascade lasers: modelling and applications
... [43] Li, H., Manceau, J., Andronico, A., Jagtap, V., Sirtori, C., Li, L., Linfield, E., Davies, A., and Barbieri, S., “Coupled-cavity terahertz quantum cascade lasers for single mode operation,” Appl. Phys. ...
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Distributed feedback terahertz frequency quantum cascade lasers with dual periodicity gratings
... semiconductor lasers to tailor the shape, symmetry, and fre- quency of the optical resonator eigenmodes, while simulta- neously allowing stable single-mode ...
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