12,000

We have over 12,000 students, from over 100 countries, within one of the safest campuses in the UK

93%

93% of Lancaster students go into work or further study within six months of graduating

Home > Research > Publications & Outputs > Investigation on InGaAs/InAlAs quantum cascade ...
View graph of relations

« Back

Investigation on InGaAs/InAlAs quantum cascade lasers.

Research output: Contribution to journalJournal article

Published

Journal publication date2001
JournalJournal of Infrared and Millimeter Waves
Journal number1
Volume20
Number of pages3
Pages41-43
Original languageEnglish

Abstract

The preparation and main characteristics of the InGaAs/InAlAs quantum cascade laser were given. The device has a reinforced ridge waveguide structure. The threshold current obtained at 80K is about 0.5A, an d the corresponding threshold current density is about 5kA/cm2.