Photonic crystal ring resonator: a promising device for a multitude of applications

Yadunath T. R.; Resmi R. Kumar; Sreenivasulu T.; Anusree Kandoth; Kamal John; Rohit K. Ramakrishnan; Partha P. Das; Badrinarayana T.; Mohan S.; Gopalkrishna Hegde; T. Srinivas

doi:10.1117/12.2252702

20 February 2017 Photonic crystal ring resonator: a promising device for a multitude of applications

Yadunath T. R., Resmi R. Kumar, Sreenivasulu T., Anusree Kandoth, Kamal John, Rohit K. Ramakrishnan, Partha P. Das, Badrinarayana T., Mohan S., Gopalkrishna Hegde, T. Srinivas

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Proceedings Volume 10108, Silicon Photonics XII; 101081J (2017) https://doi.org/10.1117/12.2252702
Event: SPIE OPTO, 2017, San Francisco, California, United States

Abstract

In this paper a 2D Photonic Crystal array in SOI platform having hexagonal periodicity with a ring defect incorporated along with two bus waveguides is conceptualized and realized for various applications of optical communication, sensing etc. The ring structure filters out a resonant wavelength from the spectrum carried to it through the line defect where the resonated peak is determined by the effective ring radius. The hexagonal architecture enables more coupling length than an ideal ring structure which helps in better intensity accumulation. The resonant peak exhibited at 1554nm in simulation, which is observed in the optical characterization at 1543nm. This is attributed to the fabrication tolerance.

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Yadunath T. R., Resmi R. Kumar, Sreenivasulu T., Anusree Kandoth, Kamal John, Rohit K. Ramakrishnan, Partha P. Das, Badrinarayana T., Mohan S., Gopalkrishna Hegde, and T. Srinivas "Photonic crystal ring resonator: a promising device for a multitude of applications", Proc. SPIE 10108, Silicon Photonics XII, 101081J (20 February 2017); https://doi.org/10.1117/12.2252702

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KEYWORDS

Photonic crystals

Resonators

Waveguides

Optical communications

Optical filters

Etching

Integrated optics

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