Free-space-coupled microdisk resonators (Conference Presentation)

Babak Mirzapourbeinekalaye; Sarath Samudrala; Mahdad Mansouree; Amir Arbabi

doi:10.1117/12.2544862

10 March 2020 Free-space-coupled microdisk resonators (Conference Presentation)

Babak Mirzapourbeinekalaye, Sarath Samudrala, Mahdad Mansouree, Amir Arbabi

Proceedings Volume 11289, Photonic and Phononic Properties of Engineered Nanostructures X; 112890L (2020) https://doi.org/10.1117/12.2544862
Event: SPIE OPTO, 2020, San Francisco, California, United States

Abstract

We present a new class of grating-integrated microdisk resonators that directly and efficiently couple to free space and can be excited by top illumination. We discuss the theory and design of such devices and present characterization results of 1530-nm-resonators with 0.8 µm to 1.2 µm radii, which are fabricated using amorphous silicon on glass. A 1.2-µm-radius resonator has a measured Q of ~16,000 and is efficiently excited by top illumination as evidenced by an observed thermally-induced bistability threshold of 0.7 mW. The small footprint and ease of coupling enable dense resonator arrays for applications in free space and flat optics.

Conference Presentation

Citation Download Citation

Babak Mirzapourbeinekalaye, Sarath Samudrala, Mahdad Mansouree, and Amir Arbabi "Free-space-coupled microdisk resonators (Conference Presentation)", Proc. SPIE 11289, Photonic and Phononic Properties of Engineered Nanostructures X, 112890L (10 March 2020); https://doi.org/10.1117/12.2544862

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