A silicon Brillouin laser

Author:

Otterstrom Nils T.1ORCID,Behunin Ryan O.12ORCID,Kittlaus Eric A.1ORCID,Wang Zheng3ORCID,Rakich Peter T.1ORCID

Affiliation:

1. Department of Applied Physics, Yale University, New Haven, CT 06520, USA.

2. Department of Physics and Astronomy, Northern Arizona University, Flagstaff, AZ 86001, USA.

3. Department of Electrical and Computer Engineering, University of Texas at Austin, Austin, TX 78758, USA.

Abstract

Making silicon shine bright Silicon is the workhorse of the semiconductor electronics industry, but its lack of optical functionality is a barrier to developing a truly integrated silicon-based optoelectronics platform. Although there are several ways of exploiting nonlinear light-matter interactions to coax silicon into optical functionality, the effects tend to be weak. Otterstrom et al. used a suspended silicon waveguide racetrack structure to stimulate the stronger nonlinear effect of Brillouin scattering and achieve lasing from silicon. The ability to engineer the nonlinearity and tune the optical response through the design of the suspended cavity provides a powerful and flexible route for developing silicon-based optoelectronic circuits and devices. Science , this issue p. 1113

Funder

National Science Foundation

David and Lucile Packard Foundation

Defense Sciences Office, DARPA

Microsystems Technology Office , DARPA

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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