Abstract

This paper describes the efficient implementation of optical low-coherence reflectometry (OLCR) measurements to evaluate the performance of InP-based high-index contrast ring resonators. Using examples of racetrack ring resonators, this paper shows here for the first time that all characteristic parameters relevant to resonator design (coupling coefficient kappa, propagation losses alpha, and optical cavity length L ), and ultimately its performance, can be extracted in a straightforward manner. This is accomplished by introducing a new methodology that implicates OLCR measurements in transmission and also reflection modes as an alternative approach, in comparison with conventional spectral analysis, to extract resonator design parameters.

© 2004 IEEE

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Appl. Opt. (2)

J. Lightwave Technol. (3)

Other (14)

E. A. J. Marcatili, "Bends in optical dielectric guides", Bell. Syst. Tech. J., vol. 48, pp. 2103-2132, 1969.

B. E. Little, S. T. Chu, H. A. Haus, J. Foresie and J.-P. Laine, "Microring resonator channel dropping filters", J. Lightwave Technol. , vol. 15, pp. 998-1005, June 1997.

Y. Carts-Powell, "Microresonators provide optical building blocks", Laser Focus World, pp. 18-22, July 1997.

B. Vanderhaegen, D. Vanthourhout, J. De Merlier, G. Sarlet, L. Vanwassenhove, I. Moerman, P. Van Daele, R. Baets, X. J. M. Leijtens, J. W. M. Van Uffelen and M. K. Smit, "High Q InGaAsP ring resonator filters", in Proc. Eur. Conf. Integrated Optics (ECIO'99) , Turin, Italy,Apr. 1999, pp. 381-384.

D. G. Rabus, M. Hamacher, U. Troppenz and H. Heidrich, "Optical filters based on ring resonators with integrated semiconductor optical amplifiers in GaInAsP-InP", IEEE J. Select. Topics Quantum Electron., vol. 8, pp. 1405-1411, Nov./Dec. 2002.

Y. Gottesman, "Exploitation of low-coherence reflectometry to the analysis photonic components and circuits", Ph. D. disseration, University of Aix-Marseille III, Marseille, France, 2001.

A. Yariv, "Universal relations for coupling of optical power between microresonators and dielectric waveguides", Electron. Lett., vol. 36, pp. 321-322, Feb. 2000 .

D. G. Rabus and M. Hamacher, "MMI-coupled ring resonators in GaInAsP-InP", IEEE Photon. Technol. Lett., vol. 13, pp. 812-814, Aug. 2001.

D. G. Rabus, "Realization of optical filters using ring resonators with integrated semiconductor optical amplifiers in GaInAsP-InP", Ph.D, Electrical Engineering and Computer Science Dept., Technical Univ., Berlin, Germany, 2002.

M. Yamada, M. Leblanc, M. M. Ohn and R. M. Measures, "Analysis of almost-periodic distributed feedback slab waveguides via a fundamental matrix approach", Appl. Opt. , vol. 26, pp. 3474-3478, 1987.

Y. Gottesman and E. V. K. Rao, "A simplified numerical treatment of reflections in ring resonators based on transfer matrix formalism", to be published.

Y. Gottesman, E. V. K. Rao and B. Dagens, "A novel design proposal to minimize reflections in deep-ridge multi-mode interference couplers", IEEE Photon. Technol. Lett., vol. 12, pp. 1662 -1664, Dec. 2000.

E. V. K. Rao, Y. Gottesman and J. G. Provost, "Simple method to diagnose the performance of electroabsorption modulators on InP using low-coherence reflectometry", Appl. Phys. Lett., vol. 81, pp. 1552-1554, Aug. 2002.

E. V. K. Rao and Y. Gottesman, "Design, process and performance diagnosis of InP-based photonic components using low-coherence reflectometry", in Proc. Int. Conf. Indium Phosphide and Related Materials (MIPRM'03), Santa Barbara, CA, May 2003, FA2-1,. pp. 544-545.

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