Miniaturized spectral sensing with a tunable optoelectronic interface

Xiaoqi Cui; Fedor Nigmatulin; Lei Wang; Igor Reduto; Andreas C. Liapis; Mingde Du; Md Gius Uddin; Shafi Abde Mayeen; Faisal Ahmed; Yi Zhang; Hoon Hahn Yoon; Harri Lipsanen; Seppo Honkanen; Timo Aalto; Zongyin Yang; Tawfique Hasan; Weiwei Cai; Zhipei Sun

doi:10.1126/sciadv.ado6886

Miniaturized spectral sensing with a tunable optoelectronic interface

Xiaoqi Cui^*, Fedor Nigmatulin, Lei Wang, Igor Reduto, Andreas C. Liapis, Mingde Du, Md Gius Uddin, Shafi Abde Mayeen, Faisal Ahmed, Yi Zhang, Hoon Hahn Yoon, Harri Lipsanen, Seppo Honkanen, Timo Aalto, Zongyin Yang, Tawfique Hasan, Weiwei Cai^*, Zhipei Sun^*

^*Corresponding author for this work

BA6203 Silicon photonics

Research output: Contribution to journal › Article › Scientific › peer-review

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Abstract

Reconstructive optoelectronic spectroscopy has generated substantial interest in the miniaturization of traditional spectroscopic tools, such as spectrometers. However, most state-of- the- art demonstrations face fundamental limits of rank deficiency in the photoresponse matrix. In this work, we demonstrate a miniaturized spectral sensing system using an electrically tunable compact optoelectronic interface, which generates distinguishable photoresponses from various input spectra, enabling accurate spectral identification with a device footprint of 5 micrometers by 5 micrometers. We report narrow-band spectral sensing with peak accuracies of ∼0.19 nanometers in free space and ∼2.45 nanometers on-chip. In addition, we implement broadband complex spectral sensing for material identification, applicable to organic dyes, metals, semiconductors, and dielectrics. This work advances high-performance, miniaturized optical spectroscopy for both free-space and on-chip applications, offering cost-effective solutions, broad applicability, and scalable manufacturing.

Original language	English
Article number	eads2846
Journal	Science advances
Volume	11
Issue number	4
DOIs	https://doi.org/10.1126/sciadv.ado6886
Publication status	Published - 24 Jan 2025
MoE publication type	A1 Journal article-refereed

Funding

This work was supported by the Academy of Finland with grant nos. 314810, 336144, 336818, 352780, 352930, 360411, 359009, 365686, 367808, and 353364 (to Z.S.), no. 333982 (to A.C.L.), no. 340932 (to M.D.), and no. 348920 (to H.H.Y.); the Academy of Finland Flagship Programme (PREIN) with grant no. 320167 (to Z.S.) and 320166 (to I.R.); the EU H2020-MSCA-RISE-872049 with grant IPN-Bio (to Z.S.); the Jane and Aatos Erkko foundation and the Technology Industries of Finland centennial foundation with grant no. Future Makers 2022 (to Z.S.); the National Natural Science Foundation of China (NSFC) with grant no. 52061135108 (to W.C.); the Industrial Strategic Technology Development Program funded by the Korean government Ministry of Trade, Industry, and Energy (MOTIE) with grant no. RS-2024-00431676 (to H.H.Y.); the Electronics and Telecommunications Research Institute (ETRI) Internal Project funded by the Korean government Ministry of Science and ICT (MSIT) with grant no. 24YR1300 (to H.H.Y.); and the ERC with grant no. 834742 (to Z.S.).

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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Cui, X., Nigmatulin, F., Wang, L., Reduto, I., Liapis, A. C., Du, M., Uddin, M. G., Mayeen, S. A., Ahmed, F., Zhang, Y., Yoon, H. H., Lipsanen, H., Honkanen, S., Aalto, T., Yang, Z., Hasan, T., Cai, W., & Sun, Z. (2025). Miniaturized spectral sensing with a tunable optoelectronic interface. Science advances, 11(4), Article eads2846. https://doi.org/10.1126/sciadv.ado6886

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abstract = "Reconstructive optoelectronic spectroscopy has generated substantial interest in the miniaturization of traditional spectroscopic tools, such as spectrometers. However, most state-of- the- art demonstrations face fundamental limits of rank deficiency in the photoresponse matrix. In this work, we demonstrate a miniaturized spectral sensing system using an electrically tunable compact optoelectronic interface, which generates distinguishable photoresponses from various input spectra, enabling accurate spectral identification with a device footprint of 5 micrometers by 5 micrometers. We report narrow-band spectral sensing with peak accuracies of ∼0.19 nanometers in free space and ∼2.45 nanometers on-chip. In addition, we implement broadband complex spectral sensing for material identification, applicable to organic dyes, metals, semiconductors, and dielectrics. This work advances high-performance, miniaturized optical spectroscopy for both free-space and on-chip applications, offering cost-effective solutions, broad applicability, and scalable manufacturing.",

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AU - Du, Mingde

AU - Uddin, Md Gius

AU - Mayeen, Shafi Abde

AU - Ahmed, Faisal

AU - Zhang, Yi

AU - Yoon, Hoon Hahn

AU - Lipsanen, Harri

AU - Honkanen, Seppo

AU - Aalto, Timo

AU - Yang, Zongyin

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AU - Cai, Weiwei

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AB - Reconstructive optoelectronic spectroscopy has generated substantial interest in the miniaturization of traditional spectroscopic tools, such as spectrometers. However, most state-of- the- art demonstrations face fundamental limits of rank deficiency in the photoresponse matrix. In this work, we demonstrate a miniaturized spectral sensing system using an electrically tunable compact optoelectronic interface, which generates distinguishable photoresponses from various input spectra, enabling accurate spectral identification with a device footprint of 5 micrometers by 5 micrometers. We report narrow-band spectral sensing with peak accuracies of ∼0.19 nanometers in free space and ∼2.45 nanometers on-chip. In addition, we implement broadband complex spectral sensing for material identification, applicable to organic dyes, metals, semiconductors, and dielectrics. This work advances high-performance, miniaturized optical spectroscopy for both free-space and on-chip applications, offering cost-effective solutions, broad applicability, and scalable manufacturing.

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Miniaturized spectral sensing with a tunable optoelectronic interface

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UN SDGs

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