R α2 α1 u1(x) u2(x) Page 1 Figure 1. Star coupler. Cascaded planar waveguide arrays CR
Doerr Bell Laboratories, Lucent Technologies 791 Holmdel-Keyport Road Holmdel, NJ 07733 …

Planar waveguide array with nearly ideal radiation characteristics Page 1 Planar waveguide
array with nearly ideal radiation characteristics C. Dragone A new waveguide array with nearly …

A comb Splitting System demultiplexes and/or multiplexes a plurality of optical signal
channels at various wavelengths. The comb Splitting System has at least two interconnected …

This invention relates in general to waveguide filters and banks of waveguide filters. More
particularly, the invention relates to compact ridge-waveguide filters with low insertion loss …

Modern communication is increasingly based on optical networks. The complexity of
emerging networks required in internet applications, for example, with tens, if not hundreds …

BACKGROUND The present invention relates to waveguide antennae, and more particularly
to circularly polarized waveguide antennae. FIG. 9 illustrates a? rst conventionally known …

Programmable Photonic Filters Fabricated with Deeply Etched Waveguides Page 1
Programmable Photonic Filters from Monolithically Cascaded Filter Stages Erik J. Norberg …

A waveguide band-pass? lter utilizes a sequence of capacitive irises to form corrugations
within the rectangular waveguide. The capacitive irises are aperiodically spaced along the …

A hybrid spiral waveguide geometry is proposed that exhibits essentially zero curvature (ie,
infinite bend radius) at the center of the spiral (similar to a Fermat spiral), with the curvature …

In accordance with the method and apparatus of the present invention, we describe a router
combining free Space and guided wave optics to increase the number of channels used in …