On-chip beam rotators, adiabatic mode converters, and waveplates through low-loss waveguides with variable cross-sections

Physics

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https://doi.org/10.1038/s41377-022-00907-4
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On-chip beam rotators, adiabatic mode converters, and waveplates through low-loss waveguides with variable cross-sections. / Sun, Bangshan; Morozko, Fyodor; Salter, Patrick S. et al.
In: Light: Science and Applications, Vol. 11, No. 1, 07.07.2022, p. 214.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Sun, B, Morozko, F, Salter, PS, Moser, S, Pong, Z, Patel, RB, Walmsley, IA, Wang, M, Hazan, A, Barré, N, Jesacher, A, Fells, J, He, C, Katiyi, A, Tian, ZN, Karabchevsky, A & Booth, MJ 2022, 'On-chip beam rotators, adiabatic mode converters, and waveplates through low-loss waveguides with variable cross-sections', Light: Science and Applications, vol. 11, no. 1, pp. 214. https://doi.org/10.1038/s41377-022-00907-4

APA

Sun, B., Morozko, F., Salter, P. S., Moser, S., Pong, Z., Patel, R. B., Walmsley, I. A., Wang, M., Hazan, A., Barré, N., Jesacher, A., Fells, J., He, C., Katiyi, A., Tian, Z. N., Karabchevsky, A., & Booth, M. J. (2022). On-chip beam rotators, adiabatic mode converters, and waveplates through low-loss waveguides with variable cross-sections. Light: Science and Applications, 11(1), 214. https://doi.org/10.1038/s41377-022-00907-4

Vancouver

Sun B, Morozko F, Salter PS, Moser S, Pong Z, Patel RB et al. On-chip beam rotators, adiabatic mode converters, and waveplates through low-loss waveguides with variable cross-sections. Light: Science and Applications. 2022 Jul 7;11(1):214. doi: 10.1038/s41377-022-00907-4

Author

Sun, Bangshan ; Morozko, Fyodor ; Salter, Patrick S. et al. / On-chip beam rotators, adiabatic mode converters, and waveplates through low-loss waveguides with variable cross-sections. In: Light: Science and Applications. 2022 ; Vol. 11, No. 1. pp. 214.

Bibtex

@article{a968e2d3774043f39a84b7cacdb49a7a,

title = "On-chip beam rotators, adiabatic mode converters, and waveplates through low-loss waveguides with variable cross-sections",

abstract = "Photonics integrated circuitry would benefit considerably from the ability to arbitrarily control waveguide cross-sections with high precision and low loss, in order to provide more degrees of freedom in manipulating propagating light. Here, we report a new method for femtosecond laser writing of optical-fiber-compatible glass waveguides, namely spherical phase-induced multicore waveguide (SPIM-WG), which addresses this challenging task with three-dimensional on-chip light control. Fabricating in the heating regime with high scanning speed, precise deformation of cross-sections is still achievable along the waveguide, with shapes and sizes finely controllable of high resolution in both horizontal and vertical transversal directions. We observed that these waveguides have high refractive index contrast of 0.017, low propagation loss of 0.14 dB/cm, and very low coupling loss of 0.19 dB coupled from a single-mode fiber. SPIM-WG devices were easily fabricated that were able to perform on-chip beam rotation through varying angles, or manipulate the polarization state of propagating light for target wavelengths. We also demonstrated SPIM-WG mode converters that provide arbitrary adiabatic mode conversion with high efficiency between symmetric and asymmetric nonuniform modes; examples include circular, elliptical modes, and asymmetric modes from ppKTP (periodically poled potassium titanyl phosphate) waveguides which are generally applied in frequency conversion and quantum light sources. Created inside optical glass, these waveguides and devices have the capability to operate across ultra-broad bands from visible to infrared wavelengths. The compatibility with optical fiber also paves the way toward packaged photonic integrated circuitry, which usually needs input and output fiber connections.",

author = "Bangshan Sun and Fyodor Morozko and Salter, {Patrick S.} and Simon Moser and Zhikai Pong and Patel, {Raj B.} and Walmsley, {Ian A.} and Mohan Wang and Adir Hazan and Nicolas Barr{\'e} and Alexander Jesacher and Julian Fells and Chao He and Aviad Katiyi and Tian, {Zhen Nan} and Alina Karabchevsky and Booth, {Martin J.}",

note = "Publisher Copyright: {\textcopyright} 2022, The Author(s).",

year = "2022",

month = jul,

day = "7",

doi = "10.1038/s41377-022-00907-4",

language = "English",

volume = "11",

pages = "214",

journal = "Light: Science and Applications",

issn = "2095-5545",

publisher = "Nature Publishing Group",

number = "1",

}

RIS

TY - JOUR

T1 - On-chip beam rotators, adiabatic mode converters, and waveplates through low-loss waveguides with variable cross-sections

AU - Sun, Bangshan

AU - Morozko, Fyodor

AU - Salter, Patrick S.

AU - Moser, Simon

AU - Pong, Zhikai

AU - Patel, Raj B.

AU - Walmsley, Ian A.

AU - Wang, Mohan

AU - Hazan, Adir

AU - Barré, Nicolas

AU - Jesacher, Alexander

AU - Fells, Julian

AU - He, Chao

AU - Katiyi, Aviad

AU - Tian, Zhen Nan

AU - Karabchevsky, Alina

AU - Booth, Martin J.

PY - 2022/7/7

Y1 - 2022/7/7

N2 - Photonics integrated circuitry would benefit considerably from the ability to arbitrarily control waveguide cross-sections with high precision and low loss, in order to provide more degrees of freedom in manipulating propagating light. Here, we report a new method for femtosecond laser writing of optical-fiber-compatible glass waveguides, namely spherical phase-induced multicore waveguide (SPIM-WG), which addresses this challenging task with three-dimensional on-chip light control. Fabricating in the heating regime with high scanning speed, precise deformation of cross-sections is still achievable along the waveguide, with shapes and sizes finely controllable of high resolution in both horizontal and vertical transversal directions. We observed that these waveguides have high refractive index contrast of 0.017, low propagation loss of 0.14 dB/cm, and very low coupling loss of 0.19 dB coupled from a single-mode fiber. SPIM-WG devices were easily fabricated that were able to perform on-chip beam rotation through varying angles, or manipulate the polarization state of propagating light for target wavelengths. We also demonstrated SPIM-WG mode converters that provide arbitrary adiabatic mode conversion with high efficiency between symmetric and asymmetric nonuniform modes; examples include circular, elliptical modes, and asymmetric modes from ppKTP (periodically poled potassium titanyl phosphate) waveguides which are generally applied in frequency conversion and quantum light sources. Created inside optical glass, these waveguides and devices have the capability to operate across ultra-broad bands from visible to infrared wavelengths. The compatibility with optical fiber also paves the way toward packaged photonic integrated circuitry, which usually needs input and output fiber connections.

AB - Photonics integrated circuitry would benefit considerably from the ability to arbitrarily control waveguide cross-sections with high precision and low loss, in order to provide more degrees of freedom in manipulating propagating light. Here, we report a new method for femtosecond laser writing of optical-fiber-compatible glass waveguides, namely spherical phase-induced multicore waveguide (SPIM-WG), which addresses this challenging task with three-dimensional on-chip light control. Fabricating in the heating regime with high scanning speed, precise deformation of cross-sections is still achievable along the waveguide, with shapes and sizes finely controllable of high resolution in both horizontal and vertical transversal directions. We observed that these waveguides have high refractive index contrast of 0.017, low propagation loss of 0.14 dB/cm, and very low coupling loss of 0.19 dB coupled from a single-mode fiber. SPIM-WG devices were easily fabricated that were able to perform on-chip beam rotation through varying angles, or manipulate the polarization state of propagating light for target wavelengths. We also demonstrated SPIM-WG mode converters that provide arbitrary adiabatic mode conversion with high efficiency between symmetric and asymmetric nonuniform modes; examples include circular, elliptical modes, and asymmetric modes from ppKTP (periodically poled potassium titanyl phosphate) waveguides which are generally applied in frequency conversion and quantum light sources. Created inside optical glass, these waveguides and devices have the capability to operate across ultra-broad bands from visible to infrared wavelengths. The compatibility with optical fiber also paves the way toward packaged photonic integrated circuitry, which usually needs input and output fiber connections.

U2 - 10.1038/s41377-022-00907-4

DO - 10.1038/s41377-022-00907-4

M3 - Journal article

C2 - 35798696

AN - SCOPUS:85133673570

VL - 11

SP - 214

JO - Light: Science and Applications

JF - Light: Science and Applications

SN - 2095-5545

IS - 1

ER -

Research

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