Photonic crystal coupled-cavity waveguides with asymmetric-defect structure for narrow spectral widths at 1.55 microns

John William Zeller; Faquir Jain

doi:10.1117/12.591038

13 April 2005 Photonic crystal coupled-cavity waveguides with asymmetric-defect structure for narrow spectral widths at 1.55 microns

John William Zeller, Faquir Jain

Author Affiliations +

Proceedings Volume 5733, Photonic Crystal Materials and Devices III; (2005) https://doi.org/10.1117/12.591038
Event: Integrated Optoelectronic Devices 2005, 2005, San Jose, California, United States

Abstract

A new type of photonic crystal (PC) based coupled-cavity waveguide (CCW), called an asymmetrical-defect coupled-cavity waveguide (AD-CCW), is presented. AD-CCWs produce single mode output with significantly narrower linewidths than conventional symmetrical-defect CCWs. We describe two different AD-CCW designs in two PC material systems: an alternating defect AD-CCW based on a silicon PC, and an incrementing defect AD-CCW based on an InGaAsP PC. The structures are simulated using three-dimensional (3D) finite-difference time-domain (FDTD) calculations. A comparison of AD-CCWs and conventional CCWs is presented based on the simulation results.

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John William Zeller and Faquir Jain "Photonic crystal coupled-cavity waveguides with asymmetric-defect structure for narrow spectral widths at 1.55 microns", Proc. SPIE 5733, Photonic Crystal Materials and Devices III, (13 April 2005); https://doi.org/10.1117/12.591038

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