Inverse-Designed Edge Couplers for Multimode Silicon Nitride Photonics

Julian L. Pita Ruiz; Samuel Gougeon; Mostafa Youssef; Bora Ung; Sophie LaRochelle; Michaël Ménard

doi:10.1364/OFC.2026.Tu2J.5

Inverse-Designed Edge Couplers for Multimode Silicon Nitride Photonics

Julian L. Pita Ruiz
, Samuel Gougeon
, Mostafa Youssef
, Bora Ung
, Sophie LaRochelle
, Michaël Ménard

École de technologie supérieure
Université Laval

Research output: Contribution to Book/Report types › Contribution to conference proceedings › peer-review

1 Citation (Scopus)

Abstract

We demonstrate inverse-designed five- and ten-mode edge couplers in silicon nitride for efficient coupling to elliptical-core fibers. They achieve coupling efficiencies of up to −2.4 dB and 3-dB bandwidths spanning the C and L bands.

Original language	English
Title of host publication	Optical Fiber Communication Conference in Proceedings Optical Fiber Communication Conference, OFC 2026 and Optical Fiber Communication Conference ,OFC Postdeadline Papers 2026
Publisher	Optical Society of America
ISBN (Electronic)	9781957171548
DOIs	https://doi.org/10.1364/OFC.2026.Tu2J.5
Publication status	Published - 2026
Event	2026 Optical Fiber Communication Conference, OFC 2026 - Los Angeles, United States Duration: 15 Mar 2026 → 19 Mar 2026

Publication series

Name	Optical Fiber Communication Conference in Proceedings Optical Fiber Communication Conference, OFC 2026 and Optical Fiber Communication Conference ,OFC Postdeadline Papers 2026

Conference

Conference	2026 Optical Fiber Communication Conference, OFC 2026
Country/Territory	United States
City	Los Angeles
Period	15/03/26 → 19/03/26

Access to Document

10.1364/OFC.2026.Tu2J.5

Cite this

Pita Ruiz, J. L., Gougeon, S., Youssef, M., Ung, B., LaRochelle, S., & Ménard, M. (2026). Inverse-Designed Edge Couplers for Multimode Silicon Nitride Photonics. In Optical Fiber Communication Conference in Proceedings Optical Fiber Communication Conference, OFC 2026 and Optical Fiber Communication Conference ,OFC Postdeadline Papers 2026 (Optical Fiber Communication Conference in Proceedings Optical Fiber Communication Conference, OFC 2026 and Optical Fiber Communication Conference ,OFC Postdeadline Papers 2026). Optical Society of America. https://doi.org/10.1364/OFC.2026.Tu2J.5

Pita Ruiz, Julian L. ; Gougeon, Samuel ; Youssef, Mostafa et al. / Inverse-Designed Edge Couplers for Multimode Silicon Nitride Photonics. Optical Fiber Communication Conference in Proceedings Optical Fiber Communication Conference, OFC 2026 and Optical Fiber Communication Conference ,OFC Postdeadline Papers 2026. Optical Society of America, 2026. (Optical Fiber Communication Conference in Proceedings Optical Fiber Communication Conference, OFC 2026 and Optical Fiber Communication Conference ,OFC Postdeadline Papers 2026).

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title = "Inverse-Designed Edge Couplers for Multimode Silicon Nitride Photonics",

abstract = "We demonstrate inverse-designed five- and ten-mode edge couplers in silicon nitride for efficient coupling to elliptical-core fibers. They achieve coupling efficiencies of up to −2.4 dB and 3-dB bandwidths spanning the C and L bands.",

author = "\{Pita Ruiz\}, \{Julian L.\} and Samuel Gougeon and Mostafa Youssef and Bora Ung and Sophie LaRochelle and Micha{\"e}l M{\'e}nard",

note = "Publisher Copyright: {\textcopyright} Copyright 2026 Optica Publishing Group. All rights reserved.; 2026 Optical Fiber Communication Conference, OFC 2026 ; Conference date: 15-03-2026 Through 19-03-2026",

year = "2026",

doi = "10.1364/OFC.2026.Tu2J.5",

language = "English",

series = "Optical Fiber Communication Conference in Proceedings Optical Fiber Communication Conference, OFC 2026 and Optical Fiber Communication Conference ,OFC Postdeadline Papers 2026",

publisher = "Optical Society of America",

booktitle = "Optical Fiber Communication Conference in Proceedings Optical Fiber Communication Conference, OFC 2026 and Optical Fiber Communication Conference ,OFC Postdeadline Papers 2026",

}

Pita Ruiz, JL, Gougeon, S, Youssef, M, Ung, B, LaRochelle, S & Ménard, M 2026, Inverse-Designed Edge Couplers for Multimode Silicon Nitride Photonics. in Optical Fiber Communication Conference in Proceedings Optical Fiber Communication Conference, OFC 2026 and Optical Fiber Communication Conference ,OFC Postdeadline Papers 2026. Optical Fiber Communication Conference in Proceedings Optical Fiber Communication Conference, OFC 2026 and Optical Fiber Communication Conference ,OFC Postdeadline Papers 2026, Optical Society of America, 2026 Optical Fiber Communication Conference, OFC 2026, Los Angeles, United States, 15/03/26. https://doi.org/10.1364/OFC.2026.Tu2J.5

Inverse-Designed Edge Couplers for Multimode Silicon Nitride Photonics. / Pita Ruiz, Julian L.; Gougeon, Samuel; Youssef, Mostafa et al.
Optical Fiber Communication Conference in Proceedings Optical Fiber Communication Conference, OFC 2026 and Optical Fiber Communication Conference ,OFC Postdeadline Papers 2026. Optical Society of America, 2026. (Optical Fiber Communication Conference in Proceedings Optical Fiber Communication Conference, OFC 2026 and Optical Fiber Communication Conference ,OFC Postdeadline Papers 2026).

Research output: Contribution to Book/Report types › Contribution to conference proceedings › peer-review

TY - GEN

T1 - Inverse-Designed Edge Couplers for Multimode Silicon Nitride Photonics

AU - Pita Ruiz, Julian L.

AU - Gougeon, Samuel

AU - Youssef, Mostafa

AU - Ung, Bora

AU - LaRochelle, Sophie

AU - Ménard, Michaël

PY - 2026

Y1 - 2026

N2 - We demonstrate inverse-designed five- and ten-mode edge couplers in silicon nitride for efficient coupling to elliptical-core fibers. They achieve coupling efficiencies of up to −2.4 dB and 3-dB bandwidths spanning the C and L bands.

AB - We demonstrate inverse-designed five- and ten-mode edge couplers in silicon nitride for efficient coupling to elliptical-core fibers. They achieve coupling efficiencies of up to −2.4 dB and 3-dB bandwidths spanning the C and L bands.

UR - https://www.scopus.com/pages/publications/105051689005

U2 - 10.1364/OFC.2026.Tu2J.5

DO - 10.1364/OFC.2026.Tu2J.5

M3 - Contribution to conference proceedings

AN - SCOPUS:105051689005

T3 - Optical Fiber Communication Conference in Proceedings Optical Fiber Communication Conference, OFC 2026 and Optical Fiber Communication Conference ,OFC Postdeadline Papers 2026

BT - Optical Fiber Communication Conference in Proceedings Optical Fiber Communication Conference, OFC 2026 and Optical Fiber Communication Conference ,OFC Postdeadline Papers 2026

PB - Optical Society of America

T2 - 2026 Optical Fiber Communication Conference, OFC 2026

Y2 - 15 March 2026 through 19 March 2026

ER -

Pita Ruiz JL, Gougeon S, Youssef M, Ung B, LaRochelle S, Ménard M. Inverse-Designed Edge Couplers for Multimode Silicon Nitride Photonics. In Optical Fiber Communication Conference in Proceedings Optical Fiber Communication Conference, OFC 2026 and Optical Fiber Communication Conference ,OFC Postdeadline Papers 2026. Optical Society of America. 2026. (Optical Fiber Communication Conference in Proceedings Optical Fiber Communication Conference, OFC 2026 and Optical Fiber Communication Conference ,OFC Postdeadline Papers 2026). doi: 10.1364/OFC.2026.Tu2J.5

Inverse-Designed Edge Couplers for Multimode Silicon Nitride Photonics

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