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Polarization switching VCSEL (P-VCSEL)

Award Information
Agency: Department of Defense
Branch: Defense Advanced Research Projects Agency
Contract: D12PC00101
Agency Tracking Number: O2-1064
Amount: $749,780.00
Phase: Phase II
Program: STTR
Solicitation Topic Code: ST092-003
Solicitation Number: 2009.B
Solicitation Year: 2009
Award Year: 2012
Award Start Date (Proposal Award Date): 2011-08-18
Award End Date (Contract End Date): N/A
Small Business Information
6440 Lusk Blvd D-107
San Diego, CA -
United States
DUNS: 118614556
HUBZone Owned: No
Woman Owned: No
Socially and Economically Disadvantaged: No
Principal Investigator
 Anis Husain
 Project Manager&PI
 (248) 529-3627
Business Contact
 J. Granville
Title: President
Phone: (248) 529-3627
Research Institution
 University of Michigan
EEC 3225 1301 Beal Ave.
Ann Arbor, MI 48109-
United States

 (734) 764-0500
 Nonprofit College or University

Ziva Corporation in collaboration with UCSB will develop a directly modulated polarization switching laser based on the Vertical Cavity Surface Emitting Laser (VCSEL) geometry with a 3dB frequency of at least 10 GHz. This will be a major breakthrough in the ability to cost effectively fabricate directly modulated lasers (even in 2-D arrays) with polarization diversity which has hitherto been only possible by using expensive, bulky and lossy external modulators. The basic principle which we demonstrated in Phase I relies on the fact that the polarization of a diode laser optical output can be influenced by the direction of the current flow. As opposed to the horizontal geometry of a waveguide diode laser, the vertical VCSEL geometry makes it possible to inject pump current in two orthogonal directions. Two electrode pairs can be placed orthogonally around the cavity and the resulting orthogonal current directions can overcome the built-in asymmetry given by birefringence to actively control the polarization of the emitted laser light. We believe that this new class of device will be critical for laser-detection-and-ranging (LADAR) applications, and will open up a whole new class of devices and applications which exploit high speed polarization modulation.

* Information listed above is at the time of submission. *

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