Large N x N waveguide grating routers
- 1 July 2000
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in Journal of Lightwave Technology
- Vol. 18 (7) , 985-991
- https://doi.org/10.1109/50.850744
Abstract
We show how the grating diffraction properties of a N/spl times/N waveguide grating router (WGR) can limit the size of N when the device operates with a unique set of N wavelengths as a strict-sense nonblocking N/spl times/N cross connect. We motivate why for large N, the N optical channels should be chosen equally spaced in wavelength and not in frequency. Two different approaches to increase N are presented. We report on results obtained in a 40/spl times/40 and a 80/spl times/80 WGR.Keywords
This publication has 7 references indexed in Scilit:
- 32×32 arrayed-waveguide grating multiplexerwithuniform loss and cyclic frequency characteristicsElectronics Letters, 1997
- Transmission characteristics of arrayed waveguide N×N wavelength multiplexerJournal of Lightwave Technology, 1995
- Fabrication of 64 × 64 arrayed-waveguidegrating multiplexer on siliconElectronics Letters, 1995
- Integrated optics N*N multiplexer on siliconIEEE Photonics Technology Letters, 1991
- An N*N optical multiplexer using a planar arrangement of two star couplersIEEE Photonics Technology Letters, 1991
- Arrayed-waveguide grating for wavelength division multi/demultiplexer with nanometre resolutionElectronics Letters, 1990
- New focusing and dispersive planar component based on an optical phased arrayElectronics Letters, 1988