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Proceedings Paper

Integrated optical ring resonator with a novel nonsymmetric Mach-Zehnder interferometer as input/output coupler
Author(s): Wei-Jian Wang; Seppo Honkanen; S. Iraj Najafi; Ari Tervonen
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Paper Abstract

An integrated optical ring resonator employing a novel four-port nonsymmetric Mach-Zehnder interferometer as an input/output coupler is proposed and demonstrated. The interferometer based on two hybrid optical couplers is essentially a 0.98 micrometers /1.55 micrometers wavelength multiplexer in connection with the ring resonator. The device is designed by using the effective indices of the guided modes in a silver ion-exchanged waveguide and is fabricated in glass substrate by double-ion-exchange process. The input/output coupler for the ring resonator is characterized using a continuous light source as well as lasers at (lambda) equals 1.06 micrometers , (lambda) equals 1.3 micrometers and (lambda) equals 1.523 micrometers . The finesses of 5 for the ring resonant is measured at (lambda) equals 1.523 micrometers . It is employed to estimate the propagation losses in the ring waveguide as 0.17 dB/cm. Potential applications of the device are discussed.

Paper Details

Date Published: 6 April 1993
PDF: 8 pages
Proc. SPIE 1794, Integrated Optical Circuits II, (6 April 1993); doi: 10.1117/12.141901
Show Author Affiliations
Wei-Jian Wang, Ecole Polytechnique/Montreal (Canada)
Seppo Honkanen, Ecole Polytechnique/Montreal (Canada)
S. Iraj Najafi, Ecole Polytechnique/Montreal (Canada)
Ari Tervonen, Optonex Ltd. (Finland)

Published in SPIE Proceedings Vol. 1794:
Integrated Optical Circuits II
Ka-Kha Wong, Editor(s)

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