Published July 18, 2016
| Version v1
Journal article
Gain and refractive index dynamics in p-doped InAs quantum dash semiconductor optical amplifiers
Creators
- 1. Tyndall National Institute, University College Cork, Cork T12 R5CP (Ireland)
- 2. Centre for Advanced Photonics and Process Analysis, Cork Institute of Technology, Cork T12 P928 (Ireland)
- 3. III-V Lab, Alcatel Lucent Bell Labs, Palaiseau F-91767 (France)
- 4. Waterford Institute of Technology, Waterford X91 K0EK (Ireland)
- 5. National Research University of Information Technologies, Mechanics and Optics, Saint Petersburg 197101 (Russian Federation)
Description
The ultrafast carrier dynamics in a p-doped dash-in-a-well structure at 1.5 μm is experimentally investigated. An analysis of the timescales related to carrier relaxation and escape processes as well as the "dynamical" linewidth enhancement factor is presented and compared with results obtained from similar un-doped materials. Intentional p-doping of the active region results in an enhancement of the intermediate timescale of the gain dynamics associated with phonon-assisted electron capture and a reduction of the α-factor due to increased differential gain.
Additional details
Identifiers
- DOI
- 10.1063/1.4955460;
Publishing Information
- Journal Title
- Applied Physics Letters
- Journal Volume
- 109
- Journal Issue
- 3
- Journal Page Range
- vp.
- ISSN
- 0003-6951
- CODEN
- APPLAB
INIS
- Country of Publication
- United States
- Country of Input or Organization
- International Atomic Energy Agency (IAEA)
- INIS RN
- 48039079
- Subject category
- S71: CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; S75: CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY;
- Descriptors DEI
- AMPLIFIERS; CARRIERS; COMPARATIVE EVALUATIONS; DOPED MATERIALS; ELECTRON CAPTURE; ELECTRONS; GAIN; INDIUM ARSENIDES; LINE WIDTHS; PHONONS; REDUCTION; REFRACTIVE INDEX; RELAXATION; SEMICONDUCTOR MATERIALS
- Descriptors DEC
- AMPLIFICATION; ARSENIC COMPOUNDS; ARSENIDES; CAPTURE; CHEMICAL REACTIONS; ELECTRONIC EQUIPMENT; ELEMENTARY PARTICLES; EQUIPMENT; EVALUATION; FERMIONS; INDIUM COMPOUNDS; LEPTONS; MATERIALS; OPTICAL PROPERTIES; PHYSICAL PROPERTIES; PNICTIDES; QUASI PARTICLES
Optional Information
- Notes
- (c) 2016 Author(s)