All-fiber WDM optical crossconnect using ultrastrong widely tunable FBGs
- 1 October 2001
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Photonics Technology Letters
- Vol. 13 (10) , 1103-1105
- https://doi.org/10.1109/68.950749
Abstract
We demonstrate an all-fiber wavelength-division-multiplexed optical crossconnect using ultrastrong fiber Bragg gratings (FBGs) with wide tunability. These FBGs have 0.2-nm bandwidths and can be tuned over /spl sim/52 nm due to a novel grating preparation technique to reduce mechanical strength degradation. There is negligible distortion in the transmission spectra while tuning the grating, and the crossconnect architecture uses cascades of these gratings for WDM operation. The ability to tune these >98% reflectivity gratings completely out of the entire WDM signal band minimizes the leakage of unwanted signal power and leads to the improvements of >10-dB crosstalk and >0.6-dB power penalty compared with conventional gratings.Keywords
This publication has 11 references indexed in Scilit:
- Optical crossconnect/ADM based networksPublished by Institute of Electrical and Electronics Engineers (IEEE) ,2002
- Ultrastrong fiber gratings and their applicationsPublished by SPIE-Intl Soc Optical Eng ,1999
- High-dynamic-range optical cross-connect device using fiber Bragg gratingsIEEE Photonics Technology Letters, 1999
- Bragg grating fast tunable filter for wavelength division multiplexingJournal of Lightwave Technology, 1999
- Coherent and incoherent crosstalk in WDM optical networksJournal of Lightwave Technology, 1999
- Reduction of coherent crosstalk in WDM add/drop multiplexing nodes by bit pattern misalignmentIEEE Photonics Technology Letters, 1999
- Magnetically programmable fibre Bragg gratingsElectronics Letters, 1998
- Fiber Bragg grating-based large nonblocking multiwavelength cross-connectsJournal of Lightwave Technology, 1998
- Semiconductor optical space switchesIEEE Journal of Selected Topics in Quantum Electronics, 1996
- Prototype 32 × 32 optical switch matrixElectronics Letters, 1994