Abstract
Key device requirements for maximising resolution in an optical coherence tomography system are discussed. The design and operating parameters of a multi-contact quantum dot superluminescent diode incorporating a number of features which inhibit lasing are described. Such devices allow the independent tuning of emission power and spectral shape; hence the penetration depth and resolution in optical coherence tomography are decoupled. The emission spectrum of a device utilising chirped quantum dots is shown to be tuned to produce a broadband single Gaussian emission, centred at the required wavelength of 1050 nm, with high output powers than a single contact device.
| Original language | English |
|---|---|
| Pages (from-to) | 588-591 |
| Number of pages | 4 |
| Journal | Microelectronics Journal |
| Volume | 40 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - Mar 2009 |
Keywords
- Multi-contact
- Quantum dot
- Spectral tailoring
- Superluminescent diode
ASJC Scopus subject areas
- Electrical and Electronic Engineering
- Electronic, Optical and Magnetic Materials
- Surfaces, Coatings and Films
- Atomic and Molecular Physics, and Optics
- Condensed Matter Physics
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