The University of Southampton
University of Southampton Institutional Repository

Electron lifetime measurement in stepped quantum wells for far infrared lasers

Electron lifetime measurement in stepped quantum wells for far infrared lasers
Electron lifetime measurement in stepped quantum wells for far infrared lasers
A theoretical study shows that electron population inversion can be realised by optically pumping an asymmetric quantum well (QW) by elegantly designing the subbands. In our previous work, we proposed a three-level system using multiple stepped QWs and a four-level system using multiple coupling QWs to work in the range 40 - 300µm as an analogue of a far infrared (FIR) gas laser and a Nd3+:YAG laser systems. Research has shown that the gain could be significantly reduced due to hot electron phonon emission and inhomogeneous broadening induced during the QW growth.
Xin, Z.J.
bc46917f-364a-498b-ad97-4241cabdeee4
Rutt, H.N.
e09fa327-0c01-467a-9898-4e7f0cd715fc
Tan, H.A.
26280f50-8d13-4303-9cb9-e512586b8622
Wells, J.
84f9e105-fa6e-4796-9c96-c8126fbb9a33
Bradley, I.
c436a176-7f79-42d9-943a-0ece48239541
Xin, Z.J.
bc46917f-364a-498b-ad97-4241cabdeee4
Rutt, H.N.
e09fa327-0c01-467a-9898-4e7f0cd715fc
Tan, H.A.
26280f50-8d13-4303-9cb9-e512586b8622
Wells, J.
84f9e105-fa6e-4796-9c96-c8126fbb9a33
Bradley, I.
c436a176-7f79-42d9-943a-0ece48239541

Xin, Z.J., Rutt, H.N., Tan, H.A., Wells, J. and Bradley, I. (2000) Electron lifetime measurement in stepped quantum wells for far infrared lasers. 25th Semiconductor and Integrated Optoelectronics (SIOE '2000), Cardiff, United Kingdom. 17 - 19 Apr 2000.

Record type: Conference or Workshop Item (Paper)

Abstract

A theoretical study shows that electron population inversion can be realised by optically pumping an asymmetric quantum well (QW) by elegantly designing the subbands. In our previous work, we proposed a three-level system using multiple stepped QWs and a four-level system using multiple coupling QWs to work in the range 40 - 300µm as an analogue of a far infrared (FIR) gas laser and a Nd3+:YAG laser systems. Research has shown that the gain could be significantly reduced due to hot electron phonon emission and inhomogeneous broadening induced during the QW growth.

Text
1967.pdf - Other
Download (34kB)

More information

Published date: 2000
Venue - Dates: 25th Semiconductor and Integrated Optoelectronics (SIOE '2000), Cardiff, United Kingdom, 2000-04-17 - 2000-04-19

Identifiers

Local EPrints ID: 16957
URI: http://eprints.soton.ac.uk/id/eprint/16957
PURE UUID: 7816eb70-57a7-4c5a-a952-532ab4c202e4

Catalogue record

Date deposited: 22 Aug 2005
Last modified: 15 Mar 2024 05:49

Export record

Contributors

Author: Z.J. Xin
Author: H.N. Rutt
Author: H.A. Tan
Author: J. Wells
Author: I. Bradley

Download statistics

Downloads from ePrints over the past year. Other digital versions may also be available to download e.g. from the publisher's website.

View more statistics

Atom RSS 1.0 RSS 2.0

Contact ePrints Soton: eprints@soton.ac.uk

ePrints Soton supports OAI 2.0 with a base URL of http://eprints.soton.ac.uk/cgi/oai2

This repository has been built using EPrints software, developed at the University of Southampton, but available to everyone to use.

We use cookies to ensure that we give you the best experience on our website. If you continue without changing your settings, we will assume that you are happy to receive cookies on the University of Southampton website.

×