Artículos de revistas
Embedded coupled microrings with high-finesse and close-spaced resonances for optical signal processing
Registro en:
Optics Express. Optical Soc Amer, v. 22, n. 9, n. 10430, n. 10438, 2014.
1094-4087
WOS:000335905300072
10.1364/OE.22.010430
Autor
Souza, MCMM
Barea, LAM
Vallini, F
Rezende, GFM
Wiederhecker, GS
Frateschi, NC
Institución
Resumen
Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) Single microring resonators have been used in applications such as wavelength multicasting and microwave photonics, but the dependence of the free spectral range with ring radius imposes a trade-off between the required GHz optical channel spacing, footprint and power consumption. We demonstrate four-channel all-optical wavelength multicasting using only 1 mW of control power, with converted channel spacing of 40-60 GHz. Our device is based on a compact embedded microring design fabricated on a scalable SOI platform. The coexistence of close resonance spacing and high finesse (205) in a compact footprint is possible due to enhanced quality factors (30,000) resulting from the embedded configuration and the coupling-strength dependence of resonance spacing, instead of ring size. In addition, we discuss the possibility of achieving continuously mode splitting from a single-notch resonance up to 40 GHz. (C)2014 Optical Society of America 22 9 10430 10438 Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) Center for Optics and Photonics (CePOF) [05/51689-2] National Institute for Science and Technology (FOTONICOM) [08/57857-2] Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) Center for Optics and Photonics (CePOF) [05/51689-2] National Institute for Science and Technology (FOTONICOM) [08/57857-2]