Related Articles Single-mode quantum cascade lasers employing asymmetric Mach-Zehnder interferometer type cavities Appl. Phys. Lett. 101, 161115 (2012) Bistability patterns and nonlinear switching with very high contrast ratio in a 1550nm quantum dash semiconductor laser Appl. Phys. Lett. 101, 161117 (2012) Relative intensity noise of a quantum well transistor laser Appl. Phys. Lett. 101, 15111...

Articles you may be interested in An indirectly pumped terahertz quantum cascade laser with low injection coupling strength operating above 150K Improved terahertz quantum cascade laser with variable height barriers We report an experimental study of terahertz quantum cascade lasers with variable barrier heights based on the Al x Ga 1–x As/GaAs material system. Two new designs are developed bas...

Related Articles Single-mode quantum cascade lasers employing asymmetric Mach-Zehnder interferometer type cavities Appl. Phys. Lett. 101, 161115 (2012) Bistability patterns and nonlinear switching with very high contrast ratio in a 1550nm quantum dash semiconductor laser Appl. Phys. Lett. 101, 161117 (2012) Relative intensity noise of a quantum well transistor laser Appl. Phys. Lett. 101, 15111...

Terahertz quantum cascade laser sources based on intra-cavity difference-frequency generation are currently the only room-temperature mass-producible diode-laser-like emitters of coherent 1-6 THz radiation. Device performance has improved dramatically over the past few years to reach milliwatt-level power output and broad tuning from 1.2 to 5.9 THz, all at room-temperature. Terahertz output in ...

In the framework of a microscopic model for intersubband gain from electrically pumped quantum-dot structures we investigate electrically pumped quantum-dots as active material for a mid-infrared quantum cascade laser. Our previous calculations have indicated that these structures could operate with reduced threshold current densities while also achieving a modal gain comparable to that of quan...

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ALEXANDER SPOTT,* JON PETERS, MICHAEL L. DAVENPORT, ERIC J. STANTON, CHARLES D. MERRITT, WILLIAM W. BEWLEY, IGOR VURGAFTMAN, CHUL SOO KIM, JERRY R. MEYER, JEREMY KIRCH, LUKE J. MAWST, DAN BOTEZ, AND JOHN E. BOWERS Department of Electrical and Computer Engineering, University of California, Santa Barbara, California 93106, USA Code 5613, Naval Research Laboratory, Washington, DC 20375, USA Depar...

A simple analog locking circuit was shown to stabilize the beat signal between a 2.408 THz quantum cascade laser and a CH(2)DOH THz CO(2) optically pumped molecular laser to 3-4 kHz (FWHM). This is approximately a tenth of the observed long-term (t approximately sec) linewidth of the optically pumped laser showing that the feedback loop corrects for much of the mechanical and acoustic-induced f...