Published December 23, 2011 | Version v1
Journal article

Terahertz Time Domain Spectroscopy of Phonon-Depopulation Based Quantum Cascade Lasers

  • 1. Laboratoire Pierre Aigrain, Ecole Normale Superieure, UMR8551 CNRS, UPMC Univ. Paris 6, F-75005 Paris (France)
  • 2. Institut d'Electronique Fondamentale, Universite Paris Sud, UMR8622 CNRS, 91405 Orsay (France)
  • 3. School of Electronic and Electrical Engineering, University of Leeds, Leeds, LS2 9JT (United Kingdom)

Description

A 3.1 THz phonon depopulation-based quantum-cascade-laser is investigated using terahertz time domain spectroscopy. A gain of 25 cm-1 and absorption features due to the lower laser level being populated from a parasitic electronic channel are highlighted.

Additional details

Identifiers

Publishing Information

Journal Title
AIP Conference Proceedings
Journal Volume
1399
Journal Issue
1
Journal Page Range
p. 369-370
ISSN
0094-243X
CODEN
APCPCS

Conference

Title
30. international conference on the physics of semiconductors
Dates
25-30 Jul 2010
Place
Seoul (Korea, Republic of)

INIS

Country of Publication
United States
Country of Input or Organization
International Atomic Energy Agency (IAEA)
INIS RN
43091051
Subject category
S75: CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY;
Resource subtype / Literary indicator
Conference
Descriptors DEI
ABSORPTION; ELECTRIC POTENTIAL; ELECTRONIC STRUCTURE; ENERGY LEVELS; FREQUENCY MEASUREMENT; GAIN; LASERS; PHONONS; PHOTOCONDUCTIVITY; SPECTROSCOPY; THZ RANGE
Descriptors DEC
AMPLIFICATION; ELECTRIC CONDUCTIVITY; ELECTRICAL PROPERTIES; FREQUENCY RANGE; PHYSICAL PROPERTIES; QUASI PARTICLES; SORPTION

Optional Information

Notes
(c) 2011 American Institute of Physics