Research

Parametric Amplification of a Terahertz Quantum Plasma Wave


Reference:

Rajasekaran, S., Casandruc, E., Laplace, Y., Nicoletti, D., Gu, G. D., Clark, S. R., Jaksch, D. and Cavalleri, A., 2016. Parametric Amplification of a Terahertz Quantum Plasma Wave. Nature Physics, 12, pp. 1012-1016.

Related documents:

This repository does not currently have the full-text of this item.
You may be able to access a copy if URLs are provided below. (Contact Author)

Related URLs:

Abstract

Many applications in photonics require all-optical manipulation of plasma waves, which can concentrate electromagnetic energy on sub-wavelength length scales. This is difficult in metallic plasmas because of their small optical nonlinearities. Some layered superconductors support weakly damped plasma waves, involving oscillatory tunneling of the superfluid between capacitively coupled planes. Such Josephson plasma waves (JPWs) are also highly nonlinear, and exhibit striking phenomena like cooperative emission of coherent terahertz radiation, superconductor-metal oscillations and soliton formation. We show here that terahertz JPWs in cuprate superconductors can be parametrically amplified through the cubic tunneling nonlinearity. Parametric amplification is sensitive to the relative phase between pump and seed waves and may be optimized to achieve squeezing of the order parameter phase fluctuations or single terahertz-photon devices.

Details

Item Type Articles
CreatorsRajasekaran, S., Casandruc, E., Laplace, Y., Nicoletti, D., Gu, G. D., Clark, S. R., Jaksch, D. and Cavalleri, A.
Related URLs
URLURL Type
http://arxiv.org/abs/1511.08378v1Free Full-text
Uncontrolled Keywordscond-mat.supr-con,physics.optics
DepartmentsFaculty of Science > Physics
Research CentresCondensed Matter Physics CDT
RefereedYes
StatusPublished
ID Code50768
Additional Information25 pages, 9 figures

Export

Actions (login required)

View Item