Abstract

New high-order microring filter architectures based on the coupling between counterpropagating modes in the microring resonators are proposed and analyzed. The dual-mode nature of the resonators is exploited to maximize the spectral response order, thereby enabling novel reflection filters to be realized with a superior performance than conventional single-mode microring filters in terms of flat passband and steep skirt rolloff. Filter topologies for two general classes of devices, the serial and parallel reflection filters, will be presented along with general techniques for synthesizing their spectral responses. It is shown that a serial reflection filter consisting of N microring resonators can realize a filter response order of up to 2(N - 1), while the parallel reflection type can be used to realize "superflat" filters, which exhibit a much flatter bandpass response than conventional maximally flat filters having the same number of cavities.

© 2007 IEEE

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2006 (3)

Y. Chung, D.-G. Kim, N. Dagli, "Reflection properties of coupled-ring reflectors," J. Lightw. Technol. 24, 1865-1873 (2006).

S. Srivastava, R. Gopal, S. Sai, K. Srinivasan, "Feedback Mach–Zehnder resonator with ‘reflector’: Analysis and applications in single frequency fiber lasers," Appl. Phys. Lett. 89, 141 118 (2006).

V. Van, "Circuit-based method for synthesizing serially-coupled microring filters," J. Lightw. Technol. 24, 2912-2919 (2006).

2005 (5)

G. T. Paloczi, J. Scheuer, A. Yariv, "Compact microring-based wavelength-selective inline optical reflector," IEEE Photon. Technol. Lett. 17, 390-392 (2005).

J. Scheuer, G. T. Paloczi, A. Yariv, "All optically tunable wavelength-selective reflector consisting of coupled polymeric microring resonators," Appl. Phys. Lett. 87, 251 102 (2005).

O. Schwelb, "Band-limited optical mirrors based on ring resonators: Analysis and design," J. Lightw. Technol. 23, 3931-3946 (2005).

S. Mookherjea, "Mode cycling in microring optical resonators," Opt. Lett. 30, 2751-2753 (2005).

I. Chremmos, N. Uzunoglu, "Reflective properties of double-ring resonator system coupled to a waveguide," IEEE Photon. Technol. Lett. 17, 2110-2112 (2005).

2004 (2)

B. E. Little, S. T. Chu, P. P. Absil, J. V. Hryniewicz, F. G. Johnson, F. Seiferth, D. Gill, V. Van, O. King, M. Trakalo, "Very high order microring resonator filters for WDM applications," IEEE Photon. Technol. Lett. 16, 2263-2265 (2004).

J. K. S. Poon, J. Scheuer, A. Yariv, "Wavelength-selective reflector based on a circular array of coupled microring resonators ," IEEE Photon. Technol. Lett. 16, 1331-1333 (2004).

2002 (1)

A. Melloni, M. Martinelli, "Synthesis of direct-coupled-resonators bandpass filters for WDM systems," J. Lightw. Technol. 20, 296-303 (2002).

1998 (1)

1997 (1)

B. E. Little, S. T. Chu, H. A. Haus, J. Foresi, J.-P. Laine, "Microring resonator channel dropping filters," J. Lightw. Technol. 15, 998-1005 (1997).

Appl. Phys. Lett. (2)

J. Scheuer, G. T. Paloczi, A. Yariv, "All optically tunable wavelength-selective reflector consisting of coupled polymeric microring resonators," Appl. Phys. Lett. 87, 251 102 (2005).

S. Srivastava, R. Gopal, S. Sai, K. Srinivasan, "Feedback Mach–Zehnder resonator with ‘reflector’: Analysis and applications in single frequency fiber lasers," Appl. Phys. Lett. 89, 141 118 (2006).

IEEE Photon. Technol. Lett. (4)

B. E. Little, S. T. Chu, P. P. Absil, J. V. Hryniewicz, F. G. Johnson, F. Seiferth, D. Gill, V. Van, O. King, M. Trakalo, "Very high order microring resonator filters for WDM applications," IEEE Photon. Technol. Lett. 16, 2263-2265 (2004).

J. K. S. Poon, J. Scheuer, A. Yariv, "Wavelength-selective reflector based on a circular array of coupled microring resonators ," IEEE Photon. Technol. Lett. 16, 1331-1333 (2004).

I. Chremmos, N. Uzunoglu, "Reflective properties of double-ring resonator system coupled to a waveguide," IEEE Photon. Technol. Lett. 17, 2110-2112 (2005).

G. T. Paloczi, J. Scheuer, A. Yariv, "Compact microring-based wavelength-selective inline optical reflector," IEEE Photon. Technol. Lett. 17, 390-392 (2005).

J. Lightw. Technol. (5)

B. E. Little, S. T. Chu, H. A. Haus, J. Foresi, J.-P. Laine, "Microring resonator channel dropping filters," J. Lightw. Technol. 15, 998-1005 (1997).

Y. Chung, D.-G. Kim, N. Dagli, "Reflection properties of coupled-ring reflectors," J. Lightw. Technol. 24, 1865-1873 (2006).

O. Schwelb, "Band-limited optical mirrors based on ring resonators: Analysis and design," J. Lightw. Technol. 23, 3931-3946 (2005).

A. Melloni, M. Martinelli, "Synthesis of direct-coupled-resonators bandpass filters for WDM systems," J. Lightw. Technol. 20, 296-303 (2002).

V. Van, "Circuit-based method for synthesizing serially-coupled microring filters," J. Lightw. Technol. 24, 2912-2919 (2006).

Opt. Lett. (2)

Other (1)

L. Weinberg, Network Analysis and Synthesis (McGraw-Hill, 1975).

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