IEEE S.F. Bay Area Council e-GRID's

Technology & Networking in Silicon Valley & the SF Bay Area: Upcoming Meetings, Courses and Conferences

November 24, 2007

Mtg: Nanowires and Nanolasers: How Small can a Laser be?

by @ 11:24 am. Filed under ALL, Communications, Computers/Software, Electronics Design, NanoEngineering, Optics/Displays, Semiconductors

THURSDAY December 13
SCV Lasers and Electro Optics Chapter
Speaker: Prof. Cun-Zheng Ning, Arizona State University, and LEOS Distinguished Lecturer
Time: Networking and Food: 7:00 PM, Presentation: 8:00 PM
Cost: none
Place: National Semiconductor Building E Conference Center, 2900 Semiconductor Drive, Santa Clara
RSVP: by email to


The pursuit of nanotechnology in general and miniaturization of electronic devices in particular have seriously challenged the optoelectronics community to develop ever smaller lasers and optoelectronic devices compatible with the trend in microelectronics. Vertical-cavity surface emitting lasers measured a few microns were once the smallest lasers. ? The situation is now rapidly changing over the last 5 years with the demonstration of lasing capability of a single semiconductor nanowire of ~ 100 nanometers in diameter. ? The ultimate challenge to the community is: can one make a laser that is smaller than the wavelength in all 3 dimensions, or what is the ultimate size limit of a laser?

To answer this and related questions, my lecture will start with an overview of impressive recent progress in growth, fabrication, and characterization of semiconductor nanowires and demonstration of lasing activities in various wavelengths. ? These lasers represent one of the smallest lasers of any kind at present. ? We will show how this new type of miniaturized laser differs from conventional semiconductor lasers. ? To further reduce the dimension of nanowire lasers, a recent proposal to use metal coating of semiconductor wires will be evaluated by numerical simulation. ? We will show that a proper design of a metal coated semiconductor nanowire can achieve lasing threshold despite significant metal loss. ? Finally some recent novel ideas involving surface plasmonic excitations at metal-semiconductor interface will be discussed where much smaller lasers could be potentially made, with size independent of wavelengths of light emitted.


Comments are closed.

[IEEE S.F. Bay Area Council -] [powered by WordPress .]

SF Bay Area Council


  • 5G (2)
  • ALL (4,702)
  • Antennas & Propagation (5)
  • BioEngineering (675)
  • Blogroll (33)
  • Circuits (16)
  • Communications (1,862)
  • Computers/Software (1,777)
  • Consumer Electronics (103)
  • Control Systems (23)
  • Electrical/Power (1,284)
  • Electronics Design (2,774)
  • Employment (4)
  • Employment opportunities (7)
  • Engineering Mgmt (1,819)
  • Green energy (48)
  • History (7)
  • Industrial Applications (91)
  • Information Theory (13)
  • Instrument and Measurement (1)
  • Magnetics (30)
  • Microwave (8)
  • NanoEngineering (876)
  • Optics/Displays (969)
  • Photonics (31)
  • PhotoVoltaics (4)
  • Product Safety (25)
  • Reliability (37)
  • Robotics and Automation (19)
  • Semiconductors (1,847)
  • Signal Processing (138)
  • Vehicular Technology (16)
  • Women in Engineering (8)
  • Young Professionals (5)

    Support our advertisers:

    Visit our

    Enabling Javascript allows us to show you upcoming conferences in this column.

    For the Firefox browser, select Tools/Options/Content and select "Enable Javascript".

    If you are using Microsoft Internet Explorer you may need to click on the yellow bar above and select 'Allow Blocked Content'. You must then click 'Yes' on the following security warning.


    September 2018
    S M T W T F S
    « May    

    View in Google Calendar

    search blog:

    SUBSCRIBE: Get the e-GRID twice a month by email - upcoming IEEE SF Bay Area meetings, conferences.

    RSS Feed Subscribe to our RSS Feed.

    PUBLICIZE your event to IEEE's membership.

    general links:

    22 queries. 0.559 seconds