Title

Directly modulated semiconductor-laser-fed photonic delay line with ferroelectric liquid crystals

Abstract

A 3-bit binary photonic delay line is demonstrated at 1 GHz by use of a directly modulated semiconductor laser and remote interconnection fiber optics. Three types of free-space delay-bit geometries are tested for 5.69-ns, 1.67-ns, and 8.8-ps designed delay bits. This is the first time, to our knowledge, that a photonic delay line is demonstrated with ferroelectric liquid-crystal optical ON–OFF devices for optical path switching and active polarization noise filtering. Three-dimensional imaging optics and antireflection-coated optics (for all but five components) are used successfully to minimize photonic delay-line insertion losses and interchannel cross talk. The 3-bit system is fully characterized for measured and designed performance. © 1998 Optical Society of America.

Publication Date

3-10-1998

Publication Title

Applied Optics

Volume

37

Issue

8

Number of Pages

1407-1416

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1364/AO.37.001407

Socpus ID

0000683459 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/0000683459

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