Terahertz Amplifier Based On Gain Switching In a Quantum Cascade Laser
Abstract
A terahertz quantum cascade laser and an integrated Auston-switch are coupled to perform ultrafast gain switching. The resulting non-equilibrium gain is not clamped above laser threshold and large amplification of input terahertz pulses is demonstrated.
- Publication:
-
Physics of Semiconductors: 30th International Conference on the Physics of Semiconductors
- Pub Date:
- December 2011
- DOI:
- 10.1063/1.3666708
- Bibcode:
- 2011AIPC.1399..985J
- Keywords:
-
- switches;
- amplifiers;
- reflectivity;
- optical waveguides;
- 42.79.Ta;
- 42.65.Yj;
- 42.25.Gy;
- 42.82.Et;
- Optical computers logic elements interconnects switches;
- neural networks;
- Optical parametric oscillators and amplifiers;
- Edge and boundary effects;
- reflection and refraction;
- Waveguides couplers and arrays