Optical Fiber Delay-Line Signal Processing

Kenneth P. Jackson, Behzad Moslehi, C. Chapin Cutler, Joseph W. Goodman, H. J. Shaw, Steven A. Newton, Moshe Tur

Research output: Contribution to journalArticlepeer-review


Single-mode optical fiber is an attractive delay medium for processing microwave frequency signals due to its extremely low loss (< 0.1 dB/μs) and large available time–bandwidth product (in excess of 105). Recent progress in the efficient tapping of light from single-mode fibers has made it possible to construct recirculating and nonrecirculating (tapped) delay-line structures that can perform a variety of important signal processing functions. These functions include coded sequence generation, convolution, correlation, matrix-vector multiplication, and frequency filtering. This paper presents the fundamental properties of single-mode fiber delay lines and reviews recent experimental results that demonstrate the feasibility of fiber delay-line devices for broadband signal-processing applications.

Original languageEnglish
Pages (from-to)193-210
Number of pages18
JournalIEEE Transactions on Microwave Theory and Techniques
Issue number3
StatePublished - Mar 1985


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