Ah.WoCl-A m u l t i o d e fih+matched arrayed waveguide grating-based demultiplexer has befn demonstrated. In thb design. multimode waveguides have been used 85 m y clements. The device, which can he used in short-dbtance communications, has been realized using low-cos1 polymer planar waveguide technology. Three wavclenglh ehanncls were SUCC~S. fully separsled. The average fiber-to-fiber inserl...

We present experimental results of spectral-domain optical coherence tomography systems using arrayed-waveguide gratings (AWG) for the 800-nm and 1300-nm spectral ranges. A phantom is imaged by using the 1300-nm AWG. Keywords-arrayed waveguide grating; optical coherence tomography; integrated optics

This paper proposes an arrayed-waveguide grating (AWG) based wavelength-divisionmultiplexing (WDM) shuffle network. Compared with previous optical shuffle networks, our proposal is compact, easy to implement, highly scalable, and cost effective. OCIS codes: (060.4258) Networks, network topology; (060.4265) Networks, wavelength routing

The size of the optical elements (gratings, mirrors, lenses) in traditional astronomical spectrographs scales with telescope diameter (unless the instrument is operating at the diffraction limit). For large telescopes, this leads to spectrographs of enormous size and implied cost. The integrated photonic spectrograph offers the potential to break this scaling law and allow massively multiplexed...

Molecular beams of rare gas atoms and D2 have been diffracted from 100 nm period SiNx transmission gratings. The relative intensities of the diffraction peaks out to the 8th order depend on the diffracting particle and are interpreted in terms of effective slit widths. These differences have been analyzed by a new theory which accounts for the long-range van der Waals −C3/l interaction of the p...

We measured Weber fractions for discriminating the speed of cyclopean gratings and Weber fractions for discriminating the speed of luminance gratings. Of our 14 observers, five were unable to see the cyclopean grating sufficiently well to discriminate its speed. One observer experienced great difficulty in discriminating the speed of cyclopean gratings, even though her threshold for detecting c...

Optical demultiplexers are used to receive multiple frequency signal from an optical fiber and to split it into its different frequency components. Arrayed waveguide gratings can be used to design an optical demultiplexer and works on the principle of interferometry. This paper presents the design of optical demultiplexer for an optical signal composed of eight frequency components. Simulation ...

We present an analytical model that describes the limiting spectral performance of arrayed-waveguide-grating (AWG) spectrometers that incorporate slow-light methods. We show that the loss-limited spectral resolution of a slow-light grating-based spectrometer scales as the loss-group-index ratio of the waveguide array. We further show that one can achieve a spectral resolution of a few GHz using...