OSA's Digital Library

Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 34, Iss. 20 — Oct. 15, 2009
  • pp: 3068–3070

Toward a 1550 nm InGaAs photoconductive switch for terahertz generation

Kimani K. Williams, Z. D. Taylor, J. Y. Suen, Hong Lu, R. S. Singh, A. C. Gossard, and E. R. Brown  »View Author Affiliations


Optics Letters, Vol. 34, Issue 20, pp. 3068-3070 (2009)
http://dx.doi.org/10.1364/OL.34.003068


View Full Text Article

Enhanced HTML    Acrobat PDF (296 KB)





Browse Journals / Lookup Meetings

Browse by Journal and Year


   


Lookup Conference Papers

Close Browse Journals / Lookup Meetings

Article Tools

Share
Citations

Abstract

We report a terahertz (THz) photoconductive switch made from a composite of metal ErAs nanoparticles embedded in In 0.53 Ga 0.47 As and coupled to a square spiral antenna. The THz output power was measured in a 77 K cryostat by using a standard hyperhemisphere-lens package, a Golay cell outside the cryostat, and a quasi-optical filter bank for spot frequency spectral measurements. Results indicate an average output power of ∼12 μW at 22 V bias using 140 mW of optical pump power from a subpicosecond fiber mode-locked laser. In addition, the THz spectra displayed invariance to bias voltage despite operating near impact ionization.

© 2009 Optical Society of America

OCIS Codes
(160.2100) Materials : Electro-optical materials
(160.5140) Materials : Photoconductive materials
(260.5150) Physical optics : Photoconductivity

ToC Category:
Materials

History
Original Manuscript: June 16, 2009
Revised Manuscript: September 2, 2009
Manuscript Accepted: September 6, 2009
Published: October 5, 2009

Citation
Kimani K. Williams, Z. D. Taylor, J. Y. Suen, Hong Lu, R. S. Singh, A. C. Gossard, and E. R. Brown, "Toward a 1550 nm InGaAs photoconductive switch for terahertz generation," Opt. Lett. 34, 3068-3070 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-20-3068

You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Log in to access OSA Member Subscription

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Log in to access OSA Member Subscription

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Log in to access OSA Member Subscription

You do not have subscription access to this journal. Article level metrics are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Log in to access OSA Member Subscription

« Previous Article  |  Next Article »

OSA is a member of CrossRef.

CrossCheck Deposited