FABRICATION OF BURIED-CHANNEL WAVE-GUIDES IN K-NA+ ION-EXCHANGED GLASS AND THEIR APPLICATION TO NOTCH FILTERS()

Authors
MAUCHLINE IS STEWART G
Citation
Is. Mauchline et G. Stewart, FABRICATION OF BURIED-CHANNEL WAVE-GUIDES IN K-NA+ ION-EXCHANGED GLASS AND THEIR APPLICATION TO NOTCH FILTERS(), Optics letters, 18(21), 1993, pp. 1801-1803
Citations number
6
Categorie Soggetti
Optics
Journal title
Optics letters → ACNP
ISSN journal
01469592
Volume
18
Issue
21
Year of publication
1993
Pages
1801 - 1803
Database
ISI
SICI code
0146-9592(1993)18:21<1801:FOBWIK>2.0.ZU;2-1
Abstract
Buried channel waveguides with strip widths of between 2 and 5 mu m ha ve been fabricated in K+ -Na+-exchanged BK7 glass. We have investigate d the effect of burying using the coupling strength to a bulk overlay. Results indicate a decrease in coupling with burying time. Wavelength notch filters based on the evanescent coupling between such guides an d multimoded overlays are reported. Notch widths of between 11 and 34 mn have been observed.