Integrated optical ring resonator with a novel nonsymmetric Mach-Zehnder interferometer as input/output coupler

Wei-Jian Wang; Seppo Honkanen; S. Iraj Najafi; Ari Tervonen

doi:10.1117/12.141901

6 April 1993 Integrated optical ring resonator with a novel nonsymmetric Mach-Zehnder interferometer as input/output coupler

Wei-Jian Wang, Seppo Honkanen, S. Iraj Najafi, Ari Tervonen

Author Affiliations +

Proceedings Volume 1794, Integrated Optical Circuits II; (1993) https://doi.org/10.1117/12.141901
Event: Fibers '92, 1992, Boston, MA, United States

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.

Citation Download Citation

Wei-Jian Wang, Seppo Honkanen, S. Iraj Najafi, and Ari Tervonen "Integrated optical ring resonator with a novel nonsymmetric Mach-Zehnder interferometer as input/output coupler", Proc. SPIE 1794, Integrated Optical Circuits II, (6 April 1993); https://doi.org/10.1117/12.141901

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