Photonic crystal oscillators (Conference Presentation)

J. Eduardo Lugo; Noemí Sanchez; Martha Palomino; Denise Estrada-Wiese; Jesús Antonio Del Río; M. Beatriz de la Mora; Hector Cerecedo; Rafael Doti; Jocelyn Faubert

doi:10.1117/12.2530217

9 September 2019 Photonic crystal oscillators (Conference Presentation)

J. Eduardo Lugo, Noemí Sanchez, Martha Palomino, Denise Estrada-Wiese, Jesús Antonio Del Río, M. Beatriz de la Mora, Hector Cerecedo, Rafael Doti, Jocelyn Faubert

Author Affiliations +

Proceedings Volume 11083, Optical Trapping and Optical Micromanipulation XVI; 110830Y (2019) https://doi.org/10.1117/12.2530217
Event: SPIE Nanoscience + Engineering, 2019, San Diego, California, United States

Abstract

Photonic crystals have been an object of interest because of their properties to inhibit specific wavelengths and allow the transmission of others. Using these properties, we have designed a microcavity of Porous Silicon using two one-dimensional photonic crystals with an air defect between them. When we illuminate the microcavity with the appropriate light (laser with a wavelength of 633 nm) allows us to generate electromagnetic forces within the structure. These electromagnetic forces allow the microcavity to oscillate mechanically and we have named such a device Photodyne. Experimentally, we have characterized the maximum displacement of several photodynes by using different driven frequencies and light powers. The displacements were put in evidence using a commercial vibrometer and by interferometry. From these measurements, it is possible to estimate the generated forces. Finally, we induced mechanical self-oscillations. The electromagnetic force generated within the whole photonic structure, by light is enough to overcome energy losses and sustain self- oscillations at two different frequencies. From these mechano-optical measurements, we estimated the stiffness and Young's modulus of porous silicon and compared the results with values reported elsewhere and with values estimated herein by a mechanical method.

Conference Presentation

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J. Eduardo Lugo, Noemí Sanchez, Martha Palomino, Denise Estrada-Wiese, Jesús Antonio Del Río, M. Beatriz de la Mora, Hector Cerecedo, Rafael Doti, and Jocelyn Faubert "Photonic crystal oscillators (Conference Presentation)", Proc. SPIE 11083, Optical Trapping and Optical Micromanipulation XVI, 110830Y (9 September 2019); https://doi.org/10.1117/12.2530217

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KEYWORDS

Photonic crystals

Oscillators

Electromagnetism

Optical microcavities

Silicon

Interferometry

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