Abstract
We report the static and dynamic properties of an all-optical inverter based on an 850 nm Vertical Cavity Semiconductor Optical Amplifier (VCSOA). The inverter exhibits low switching power requirements (∼ 15 μW), large on/off contrast ratio (> 11 dB), and high speed operation (∼ 1.4 GHz). Large and small signal measurements show that the speed of operation and the on/off contrast ratio improve with increased bias current. This holds important prospects for the development of VCSOA-inverters for high-speed, low-power optical logic applications. Finally, a theoretical model of the VCSOA-inverter has been employed giving good agreement with experiments.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 2345-2350 |
| Number of pages | 6 |
| Journal | Optics Communications |
| Volume | 284 |
| Issue number | 9 |
| DOIs | |
| State | Published - May 1 2011 |
| Externally published | Yes |
Funding
This work has been funded in part by the European Commission under the Programme FP7 Marie Curie Intra-European Fellowships for Career Development Grant PIEF-GA-2008-219682 .
| Funders | Funder number |
|---|---|
| FP7 Marie Curie Intra-European Fellowships for Career Development | PIEF-GA-2008-219682 |
| Seventh Framework Programme | 219682 |
| European Commission |
Keywords
- All-optical inverter
- All-optical logic gate
- All-optical signal processing
- Nonlinear optics
- Optical bistability
- Vertical cavity semiconductor optical
- amplifier
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Atomic and Molecular Physics, and Optics
- Physical and Theoretical Chemistry
- Electrical and Electronic Engineering
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