Ge-rich graded-index Si1-xGex racetrack resonators for long-wave infrared photonics

J. M. Ramírez; V. Vakarin; Q. Liu; J. Frigerio; A. Ballabio; X. Le Roux; G. Isella; C. Alonso-Ramos; M. Montesinos; L. Vivien; D. Marris-Morini

doi:10.1117/12.2510738

1 February 2019 Ge-rich graded-index Si_1-xGe_x racetrack resonators for long-wave infrared photonics

J. M. Ramírez, V. Vakarin, Q. Liu, J. Frigerio, A. Ballabio, X. Le Roux, G. Isella, C. Alonso-Ramos, M. Montesinos, L. Vivien, D. Marris-Morini

Author Affiliations +

Proceedings Volume 10926, Quantum Sensing and Nano Electronics and Photonics XVI; 109261U (2019) https://doi.org/10.1117/12.2510738
Event: SPIE OPTO, 2019, San Francisco, California, United States

Abstract

Mid-infrared racetrack resonators are demonstrated working at 8μm wavelength. The devices are based on a graded SiGe platform providing low propagation loss on a large wavelength range in the mid-IR. Different resonators designs have been fabricated, with varying gap distances in the directional coupler. Q factors of more than 3000 have been experimentally demonstrated. These results pave the way towards compact mid-IR sensors or efficient active devices.

Conference Presentation

Citation Download Citation

J. M. Ramírez, V. Vakarin, Q. Liu, J. Frigerio, A. Ballabio, X. Le Roux, G. Isella, C. Alonso-Ramos, M. Montesinos, L. Vivien, and D. Marris-Morini "Ge-rich graded-index Si_1-xGe_x racetrack resonators for long-wave infrared photonics", Proc. SPIE 10926, Quantum Sensing and Nano Electronics and Photonics XVI, 109261U (1 February 2019); https://doi.org/10.1117/12.2510738

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