By Topic

Room-Temperature \lambda \approx 2.7~\mu{\rm m} Quantum Cascade Laser Sources Based on Intracavity Second-Harmonic Generation

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$33 $13
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

8 Author(s)
Augustinas Vizbaras ; Walter Schottky Institut, Technische Universität München, München, Germany ; Matthias Anders ; Simeon Katz ; Christian Grasse
more authors

We present experimental results on a short-wavelength quantum cascade laser based on intracavity second-harmonic generation. Our devices consist of an injectorless quantum cascade laser, which serves as a pump, and a transversely integrated passive two-well nonlinear section. The presented devices demonstrate above 1 mW output power at 2.65 μm emission wavelength with a record high peak conversion efficiency of 278 mW/W2 at 80 K and still around 10 μW at 2.73 μm emission wavelength with 770 μW/W2 conversion efficiency at room temperature. Experimental threshold current densities are demonstrated to be as low as 1.5 kA/cm2 at room temperature.

Published in:

IEEE Journal of Quantum Electronics  (Volume:47 ,  Issue: 5 )