Ultra-high on-chip optical gain in erbium-based hybrid slot waveguides

John Rönn*, Weiwei Zhang, Anton Autere, Xavier Leroux, Lasse Pakarinen, Carlos Alonso-Ramos, Antti Säynätjoki, Harri Lipsanen, Laurent Vivien, Eric Cassan, Zhipei Sun

*Tämän työn vastaava kirjoittaja

Tutkimustuotos: LehtiartikkeliArticleScientificvertaisarvioitu

15 Sitaatiot (Scopus)
240 Lataukset (Pure)

Abstrakti

Efficient and reliable on-chip optical amplifiers and light sources would enable versatile integration of various active functionalities on the silicon platform. Although lasing on silicon has been demonstrated with semiconductors by using methods such as wafer bonding or molecular beam epitaxy, cost-effective mass production methods for CMOS-compatible active devices are still lacking. Here, we report ultra-high on-chip optical gain in erbium-based hybrid slot waveguides with a monolithic, CMOS-compatible and scalable atomic-layer deposition process. The unique layer-by-layer nature of atomic-layer deposition enables atomic scale engineering of the gain layer properties and straightforward integration with silicon integrated waveguides. We demonstrate up to 20.1 +/- 7.31 dB/cm and at least 52.4 +/- 13.8 dB/cm net modal and material gain per unit length, respectively, the highest performance achieved from erbium-based planar waveguides integrated on silicon. Our results show significant advances towards efficient on-chip amplification, opening a route to large-scale integration of various active functionalities on silicon.

AlkuperäiskieliEnglanti
Artikkeli432
Sivumäärä9
JulkaisuNature Communications
Vuosikerta10
Numero1
DOI - pysyväislinkit
TilaJulkaistu - 25 tammikuuta 2019
OKM-julkaisutyyppiA1 Julkaistu artikkeli, soviteltu

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  • Projektit

    A-Photonics

    Pyymaki Perros, A., Rajamanickam, R., Sun, Z., Hedberg, D., Lau Kuen Yao, L., Kim, M., Dai, Y. & Du, M.

    01/01/201931/05/2021

    Projekti: Business Finland: New business from research ideas (TUTLI)

    2D materiaalit THz spektroskopiassa ja kuvantamisessa

    Sun, Z., Das, S., Generalov, A. & Uddin, M.

    01/01/201831/12/2021

    Projekti: Academy of Finland: Other research funding

    Laitteet

    OtaNano

    Anna Rissanen (Manager)

    Aalto-yliopisto

    Laitteistot/tilat: Facility

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    1 kohde/ Medianäkyvyys

    Lehdistö/media: Esiintyminen mediassa

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