[PDF] Top 20 Single mode interband cascade lasers emitting below 2 8 μm
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Single mode interband cascade lasers emitting below 2 8 μm
... diode lasers. 26 Furthermore, the threshold power density of 6.2 kW/cm 2 at T ¼ 20 C is much lower than the one of best InP based ...wide mode-hop free tuning range of 7 nm (12 nm) with current ... See full document
5
Coupled-cavity terahertz quantum cascade lasers for single mode operation
... L 2 ), displayed by the horizontal green ...approximation. 8 For example, for the cavity lengths of ...and 8 lm) we observe no significant change of the threshold current when compared to Fabry-Perot ... See full document
6
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 ... See full document
12
Monolithic frequency comb platform based on interband cascade lasers and detectors
... quantum cascade lasers (QCLs) a few years ago [12]. Recently, passive mode-locking was achieved using GaSb-based type I cas- cade diode lasers ...this, mode-locked semiconductor diode ... See full document
6
Type II quantum wells with tensile strained GaAsSb layers for interband cascade lasers with tailored valence band mixing
... tunable lasers operating in the midinfrared spectral ...particular, lasers emit- ting at room temperature in the continuous-wave operation mode are of interest for gas sensors in relevant ... See full document
6
Surface-emitting terahertz quantum cascade lasers with continuous-wave power in the tens of milliwatt range
... GPH lasers, therefore, exhibit stable single-mode emission with high power efficiency in pulsed mode, as well as naturally low-divergence single-lobed emission ... See full document
6
Interface intermixing in type II InAs/GaInAsSb quantum wells designed for active regions of mid infrared emitting interband cascade lasers
... Fig. 2, room temperature (300 K)-normalized PL and PR spectra measured for the investigated samples are ...The single peaks in the PL spectra are related to the ground state type II transition in the ... See full document
7
2 μm solid state laser mode locked by single layer graphene
... The mode-locked pulse peak wavelength is 2067 nm ...for 2 lm ultrafast fiber lasers 53–55 due to intracavity periodical ...sech 2 temporal profile, giving a pulse duration 410 ...nanotube ... See full document
5
Interface Intermixing in Type II InAs/GaInAsSb Quantum Wells Designed for Active Regions of Mid Infrared Emitting Interband Cascade Lasers
... Fig. 2, room temperature (300 K)-normalized PL and PR spectra measured for the investigated samples are ...The single peaks in the PL spectra are related to the ground state type II transition in the ... See full document
7
Low Power Consumption Substrate Emitting DFB Quantum Cascade Lasers
... the lasers is shown in ...CW mode without mode hop within a wide temperature range from 15 to 105 ...capability, single-mode and high operating ... See full document
5
Fast modulation of terahertz quantum cascade lasers using graphene loaded plasmonic antennas
... In conclusion, we have presented the realization of a compact, integrated optoelectronic device based on plasmonic antennas and graphene for the fast modulation of terahertz frequencies. The device has been modeled with ... See full document
17
Electrical tuning of the oscillator strength in type II InAs/GaInSb quantum wells for active region of passively mode locked interband cascade lasers
... The studied samples were grown on an n-type GaSb substrate in a solid source molecular beam epitaxy system equipped with valved cracker cells for both antimony and arsenic. Directly on the substrate a 100-nm-thick 3 × 10 ... See full document
5
Photonic crystal Bragg lasers : design, fabrication, and characterization
... a single transverse mode, prevents filamentation, which leads to spatial coherence over a large emitting ...a single lobe diffraction limited far field with small beam ...is single ... See full document
145
On the modified active region design of interband cascade lasers
... In order to measure photoreflectance (PR) in a wide spectral range, i.e., optical spectra which are sensitive to the transition oscillator strength, 15 we used a setup based on a Fourier-transformed (FT) and vacuumed ... See full document
6
Monolithic single mode interband cascade lasers with wide wavelength tunability
... widely-tunable lasers is based on binary superimposed gratings and a two-segment device approach for wavelength ...a single wavelength according to the Bragg condition due to the constant period of the ... See full document
11
Optimizing the active region of interband cascade lasers for passive mode locking
... by mode-locked lasers, can be characterized by broad spectra, consisting of equally spaced and mutually coherent narrow ...each mode is encoded in the beat ... See full document
7
Substrate emitting ring interband cascade lasers
... pumped interband cascade vertical-cavity surface-emitting laser (VCSEL) has been demonstrated 14 in pulsed operation at a wavelength of k ...a single stage active region design (k ¼ 4 lm) ... See full document
5
Single-mode surface-emitting concentric-circular-grating terahertz quantum cascade lasers
... ridge-waveguide lasers where a linear second- order grating is adopted, because the standing wave modes in the ridge cavities are expressed as sinusoidal ...for single-mode emission at ...is 2 ... See full document
5
Low divergence single-mode surface-emitting concentric-circular-grating terahertz quantum cascade lasers
... optical mode selection, only optical collimation and beam ...enable single-mode operation and collimate the edge- emitting beam tightly (~10°) ...Indeed, single-mode devices with ... See full document
12
Coherent imaging using laser feedback interferometry with pulsed-mode terahertz quantum cascade lasers
... as artefacts brought about by the driving circuit [Fig. 2(f)]. This signal is then amplified and digitised using a Rohde & Schwarz RTO1024 oscilloscope [Fig. 2(g)]. The bandwidth of the RTO1024 was ... See full document
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