Accurate photonic waveguide characterization using an arrayed waveguide structure

Design of an Arrayed Waveguide Grating for Photonic Integrated Circuits

Arrayed waveguide gratings are useful structures for the implementation of wavelength division multiplexing; however, in their current form, they are too large to be made cheaply or to use as an integrated component. This paper discusses the work of the MIT Microphotonics Center, explains the operation of an arrayed waveguide grating, and discusses plans for a Master of Engineering thesis proje...

4 Arrayed Waveguide Gratings

Arrayed Waveguide Grating Router

This paper discusses design, fabrication, and characterization of a 512 × 512 arrayed waveguide grating router (AWGR) with a channel spacing of 25 GHz. The dimensions of the AWGR is 16 mm × 11 mm and is fabricated on a 250 nm silicon-on-insulator platform. The measured channel crosstalk is approximately −4 dB without any compensation for the phase errors in the arrayed waveguides. The AWGR spec...

Miniature Spectrographs: Characterization of Arrayed Waveguide Gratings for Astronomy

We present results from a laboratory characterization of integrated photonic arrayed-waveguide grating chips, which are a modified version of commercial arrayed-waveguide grating multiplexors, for the purposes of creating an integrated photonic spectrograph. Using a robust probing setup we measure the peak total efficiency of the chips to be ~75%. We measure the spectral resolution full-width h...

Photonic band structure of Sierpinski waveguide networks

The photonic band structure and transmission properties of Sierpinski fractal networks ~SNs! made of one-dimensional waveguides are studied with the generalized eigenfunction method. In the absence or presence of dissipation and in different exit situations, we have numerically calculated the transmission coefficient as a function of frequency in the range 0–500 MHz for the first four generatio...