Format

Send to

Choose Destination
See comment in PubMed Commons below
Opt Express. 2009 Dec 7;17(25):22609-15. doi: 10.1364/OE.17.022609.

Second harmonic generation in gallium phosphide photonic crystal nanocavities with ultralow continuous wave pump power.

Author information

1
E. L. Ginzton Laboratory, Stanford University, Stanford, CA 94305-4085, USA. krivoire@stanford.edu

Abstract

We demonstrate second harmonic generation in photonic crystal nanocavities fabricated in the semiconductor gallium phosphide. We observe second harmonic radiation at 750 nm with input powers of only nanowatts coupled to the cavity and conversion effciency P(out)/P(2)(in,coupled)=430%/W. The large electronic band gap of GaP minimizes absorption loss, allowing effcient conversion. Our results are promising for integrated, low-power light sources and on-chip reduction of input power in other nonlinear processes.

PMID:
20052186
[Indexed for MEDLINE]
PubMed Commons home

PubMed Commons

0 comments
How to join PubMed Commons

    Supplemental Content

    Full text links

    Icon for Optical Society of America
    Loading ...
    Support Center