Multi‐wavelength quantum cascade laser arrays
The progress on multi‐wavelength quantum cascade laser arrays in the mid‐infrared is
reviewed, which are a powerful, robust and versatile source for next‐generation …
reviewed, which are a powerful, robust and versatile source for next‐generation …
Room temperature continuous wave operation of λ∼ 3–3.2 μm quantum cascade lasers
N Bandyopadhyay, Y Bai, S Tsao, S Nida… - Applied Physics …, 2012 - pubs.aip.org
We demonstrate quantum cascade lasers emitting at wavelengths of 3–3.2 μm in the InP-
based material system. The laser core consists of GaInAs/AlInAs using strain balancing …
based material system. The laser core consists of GaInAs/AlInAs using strain balancing …
Temperature sensitivity of the electro-optical characteristics for mid-infrared (λ= 3–16 μm)-emitting quantum cascade lasers
The temperature dependences of the threshold current and slope efficiency, as represented
by their respective characteristic temperature coefficients T 0 and T 1, are discussed for …
by their respective characteristic temperature coefficients T 0 and T 1, are discussed for …
Broadly tunable single-mode mid-infrared quantum cascade lasers
In this paper, we review the recent progress in broadly tunable single-mode mid-infrared
quantum cascade lasers (QCLs). With a brief introduction on various applications of broadly …
quantum cascade lasers (QCLs). With a brief introduction on various applications of broadly …
Bond-selective imaging of cells by mid-infrared photothermal microscopy in high wavenumber region
Using a visible beam to probe the thermal effect induced by infrared absorption, mid-infrared
photothermal (MIP) microscopy allows bond-selective chemical imaging at submicron …
photothermal (MIP) microscopy allows bond-selective chemical imaging at submicron …
High power, continuous wave, room temperature operation of λ∼ 3.4 μm and λ∼ 3.55 μm InP-based quantum cascade lasers
We report two highly strain-balanced InP-based AlInAs/GaInAs quantum cascade lasers
emitting near 3.39 and 3.56 μm. A pulsed threshold current density of only 1.1 kA/cm 2 has …
emitting near 3.39 and 3.56 μm. A pulsed threshold current density of only 1.1 kA/cm 2 has …
Mid-infrared semiconductor heterostructure lasers for gas sensing applications
A Bauer, K Rößner, T Lehnhardt, M Kamp… - Semiconductor …, 2010 - iopscience.iop.org
An overview of the three competing mid-infrared semiconductor laser approaches, being
diode, quantum cascade and interband cascade laser designs, is given. Limiting factors as …
diode, quantum cascade and interband cascade laser designs, is given. Limiting factors as …
1.4 W in-band pumped Dy3+-doped gain-switched fiber laser at 3.24 µm
In this Letter, we report, to the best of our knowledge, the first demonstration of an in-band
pumped gain-switched Dy^ 3+-doped fiber laser operating at 3.24 µm. The monolithic cavity …
pumped gain-switched Dy^ 3+-doped fiber laser operating at 3.24 µm. The monolithic cavity …
High power Sb-free quantum cascade laser emitting at 3.3 μm above 350 K
The design and implementation of a short wavelength strain-compensated quantum
cascade laser based on In0. 72Ga0. 28As/In0. 52Al0. 48As–AlAs on InP is presented. We …
cascade laser based on In0. 72Ga0. 28As/In0. 52Al0. 48As–AlAs on InP is presented. We …
Broadband external cavity tuning in the 3-4 μm window
In this work, a continuous external cavity spectral tuning of 556 cm− 1 in the 3–4 μm region
is shown for a heterogeneous bound-to-continuum active region design based on the strain …
is shown for a heterogeneous bound-to-continuum active region design based on the strain …