Digital operation and eye diagrams in spin-lasers
Abstract
Digital operation of lasers with injected spin-polarized carriers provides an improved operation over their conventional counterparts with spin-unpolarized carriers. Such spin-lasers can attain much higher bit rates, crucial for optical communication systems. The overall quality of a digital signal in these two types of lasers is compared using eye diagrams and quantified by improved Q-factors and bit-error-rates in spin-lasers. Surprisingly, an optimal performance of spin-lasers requires finite, not infinite, spin-relaxation times, giving a guidance for the design of future spin-lasers.
Document Details
- Document Type
- Pub Defense Publication
- Publication Date
- Aug 24, 2015
- Source ID
- 10.1063/1.4929612
Entities
People
- Evan Wasner
- Igor Žutić
- Jeongsu Lee
- Sean Bearden
Organizations
- National Science Foundation
- Office of Naval Research
- University at Buffalo
- University of Regensburg