The schematic diagram of linearly tapered waveguide
with AMM cladding is shown in the Fig.
The HMM tapered strips can be treated as periodic tapered waveguides
. For a guided mode at some wavelengths, when it propagates down along an MM- tapered waveguide
gradually towards some critical width where the group velocity ([v.sub.g] = [dw.sub.c]/d[beta]) approaches 0, it is slowed down, trapped, and blocked.
To decrease optical reflection and improve precision, a hyperbolic tapered waveguide
with a length of 2050 [micro]m is used to connect single mode input/output ports to the MMI section.
In the latter case performance of the tapered waveguide
with the [lambda]/4 matching layer (is the [lambda] wavelength) of finite lateral dimensions becomes very important.
The improvements based on the structure presented in Section 2.2 include a tapered waveguide
inserted before the tapered MMI, such that a preexpanded structure and a tapered waveguide
are connected to the output waveguide inlet end.
Now, according to a report in New Scientist, Vera Smolyaninova of Towson University in Baltimore, Maryland, and colleagues have used a convex lens to create the tapered waveguide
and trap a rainbow of light.
The system's tapered waveguide
provides rich, lifelike sound that can fill most rooms.
For obtaining 0 to 20 KV/cm biasing fields, the waveguide cross section is reduced from 0.622" X 0.311" to 0.622" X 0.08" cross sections of 6" long tapered waveguide
Ackerman, "Efficient coupling of a semiconductor laser to an optical fiber by means of a tapered waveguide
on silicon," Appl.
Wu  had been made a novel multimode interference coupler with exponentially tapered waveguide
. Kuo et al.
2 Tapered Waveguide
--It accompanies the introduction of gradient tapers in the PC waveguides for the effective coupling of an input beam.