Laser-Induced Quantum Coherence in a Semiconductor Quantum Well

G. B. Serapiglia, E. Paspalakis, C. Sirtori, K. L. Vodopyanov, and C. C. Phillips
Phys. Rev. Lett. 84, 1019 – Published 31 January 2000
PDFExport Citation

Abstract

The phenomenon of electromagnetically induced quantum coherence is demonstrated between three confined electron subband levels in a quantum well which are almost equally spaced in energy. Applying a strong coupling field, two-photon resonant with the 1-3 intersubband transition, produces a pronounced narrow transparency feature in the 1-2 absorption line. This result can be understood in terms of all three states being simultaneously driven into “phase-locked” quantum coherence by a single coupling field. We describe the effect theoretically with a density matrix method and an adapted linear response theory.

  • Received 31 August 1999

DOI:https://doi.org/10.1103/PhysRevLett.84.1019

©2000 American Physical Society

Authors & Affiliations

G. B. Serapiglia1, E. Paspalakis2, C. Sirtori3, K. L. Vodopyanov1, and C. C. Phillips1

  • 1Experimental Solid State Group, Physics Department, Imperial College, London, SW7 2BZ, United Kingdom
  • 2Optics Section, Physics Department, Imperial College, London, SW7 2BZ, United Kingdom
  • 3LCR Thomson-CSF, Domaine de Corbeville, 91404 Orsay Cedex, France

References (Subscription Required)

Click to Expand
Issue

Vol. 84, Iss. 5 — 31 January 2000

Reuse & Permissions
Access Options
Author publication services for translation and copyediting assistance advertisement

Authorization Required


×
×

Images

×

Sign up to receive regular email alerts from Physical Review Letters

Log In

Cancel
×

Search


Article Lookup

Paste a citation or DOI

Enter a citation
×