Optical gain from the direct gap transition of Ge-on-Si at room temperature

We report direct band gap optical gain of tensile strained n+ epitaxial Ge-on-Si at room temperature, which confirms that band-engineered Ge-on-Si is a promising gain medium for monolithic optical amplifiers and lasers on Si.

Bibliographic Details
Main Authors: Liu, Jifeng, Sun, Xiaochen, Kimerling, Lionel C., Michel, Jurgen
Other Authors: MIT Materials Research Laboratory
Format: Article
Language:en_US
Published: 2010
Online Access:http://hdl.handle.net/1721.1/59838
https://orcid.org/0000-0002-3913-6189