Terahertz transfer onto a telecom optical carrier View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2007-07-02

AUTHORS

Sukhdeep S. Dhillon, Carlo Sirtori, Jesse Alton, Stefano Barbieri, Alfredo de Rossi, Harvey E. Beere, David A. Ritchie

ABSTRACT

In a GaAs crystal, owing to the anomalous dispersion introduced by optical phonon absorption, a phase-matched interaction is possible between a near-infrared beam and a terahertz (THz) wave. We exploit this nonlinear optical process to allow the merging of THz-quantum-cascade-laser and telecom technologies by injecting a telecom beam into a suitably designed THz quantum-cascade laser. Within the optical cavity, the phase and amplitude of the THz wave are recorded onto the near-infrared beam, which can be transported through an optical fibre. We show that the process is phase-matched and can be tuned over the entire telecom range by waveguide engineering. This nonlinear up-conversion technique opens up new possibilities in the optical treatment of THz, by taking advantage of the highly developed telecom technology. More... »

PAGES

411-415

References to SciGraph publications

Identifiers

URI

http://scigraph.springernature.com/pub.10.1038/nphoton.2007.94

DOI

http://dx.doi.org/10.1038/nphoton.2007.94

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1009731862


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