Photodetection

US8927964B2 · kind B2 · utility

Assignee

• Nokia · FI

Inventors

• Alan Colli · Cambridge, GB
• Tim Echtermeyer · Neckartenzlingen, DE
• Anna Eiden · Cambridge, GB
• Andrea Ferrari · Orbassano, IT

Key dates

• Filing date: Nov 20, 2012
• Grant date: Jan 6, 2015
• Expiry date: May 28, 2033

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02E10/547

Abstract

Apparatus and methods are provided. A first apparatus includes: a semiconductor film; and at least one semiconductor nanostructure, including a heterojunction, configured to modulate the conductivity of the semiconductor film by causing photo-generated carriers to transfer into the semiconductor film from the at least one semiconductor nanostructure. A second apparatus includes: a semimetal film; and at least one semiconductor nanostructure, including a heterojunction, configured to generate carrier pairs in the semimetal film via resonant energy transfer, and configured to generate an external electric field for separating the generated carrier pairs in the semimetal film.