Re: True-time Delay Element for Laser Communications System
- From: Sam Goldwasser <sam@xxxxxxxxxxxxxxxxxxx>
- Date: 23 May 2007 19:16:12 -0400
"susheemg@xxxxxxxxx" <susheemg@xxxxxxxxx> writes:
I am working on the design of a laser communications system that
requires true-time delay elements. Specifically, I want to be able to
add a delay optically to a modulated signal. The max delay is ~250
ps, and I would like to be able to control the delay electronically in
steps of about 10 ps. The driving factor is the total loss through
the element, which must be minimized. The element itself can operate
on the signal in a fiber or the signal in free-space. Are there
papers that discuss low-loss methods to perform this delay?
There is a rather large body of research into this precise area for
applications like phased array timing. Have you done any sort of
search? :)
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