Abstract
We report a tunable receiver based on a MQW-DBR laser biased just below threshold. The device simultaneously integrates the functions of a tunable filter, optical amplifier, photodetector and, if desired, an FSK discriminator. Using identical devices for both a transmitter and a receiver, we demonstrate FSK transmission up to 250 Mbit/s with sensitivities in the ∼-30dBm range for 10-9 BER. Speed is limited by the transmitter FM response, and independent speed measurements indicate a detection bandwidth of at least 1.7 GHz.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 890-892 |
| Number of pages | 3 |
| Journal | Electronics Letters |
| Volume | 25 |
| Issue number | 14 |
| DOIs | |
| State | Published - Jun 22 1989 |
| Externally published | Yes |
Keywords
- Optical filters
- Optical receivers
- Photodetectors
- Semiconductor lasers
ASJC Scopus subject areas
- Electrical and Electronic Engineering