[1] Bogaerts, W. et al. Programmable photonic circuits. Nature 586, 207-216 (2020). doi: 10.1038/s41586-020-2764-0
[2] Dong, M. et al. High-speed programmable photonic circuits in a cryogenically compatible, visible–near-infrared 200 mm CMOS architecture. Nature Photonics 16, 59-65 (2022). doi: 10.1038/s41566-021-00903-x
[3] Pérez-López, D. et al. Multipurpose self-configuration of programmable photonic circuits. Nature communications 11, 6359 (2020). doi: 10.1038/s41467-020-19608-w
[4] Torrijos‐Morán, L., Pérez‐Galacho, D. & Pérez‐López, D. Silicon programmable photonic circuits based on periodic bimodal waveguides. Laser & Photonics Reviews 18, 2300505 (2024). doi: 10.1002/lpor.202300505
[5] Yao, C. H. et al. Integrated reconstructive spectrometer with programmable photonic circuits. Nature Communications 14, 6376 (2023). doi: 10.1038/s41467-023-42197-3
[6] Krasnokutska, I., Tambasco, J. L. J. & Peruzzo, A. Tunable large free spectral range microring resonators in lithium niobate on insulator. Scientific reports 9, 11086 (2019). doi: 10.1038/s41598-019-47231-3
[7] Zhao, Y. Q. et al. Cavity-enhanced narrowband spectral filters using rare-earth ions doped in thin-film lithium niobate. npj Nanophotonics 1, 22 (2024). doi: 10.1038/s44310-024-00023-8
[8] Sun, D. H. et al. Microstructure and domain engineering of lithium niobate crystal films for integrated photonic applications. Light: Science & Applications 9, 197 (2020).
[9] Lu, L. L. et al. Advances in chip‐scale quantum photonic technologies. Advanced Quantum Technologies 4, 2100068 (2021). doi: 10.1002/qute.202100068
[10] Hu, J. K. et al. 2D graphene oxide: a versatile thermo‐optic material. Advanced Functional Materials 34, 2406799 (2024).
[11] Ilie, S. T. et al. Thermo-optic tuning of silicon nitride microring resonators with low loss non-volatile Sb2S3 phase change material. Scientific Reports 12, 17815 (2022). doi: 10.1038/s41598-022-21590-w
[12] Clementi, M. et al. Thermo-optically induced transparency on a photonic chip. Light: Science & Applications 10, 240 (2021).
[13] Cocorullo, G. et al. Thermo-optic effect exploitation in silicon microstructures. Sensors and Actuators A: Physical 71, 19-26 (1998). doi: 10.1016/S0924-4247(98)00168-X
[14] Qiu, C. Y. et al. All-optical control of light on a graphene-on-silicon nitride chip using thermo-optic effect. Scientific Reports 7, 17046 (2017). doi: 10.1038/s41598-017-16989-9
[15] Yan, H. et al. Wideband‐tunable on‐chip microwave photonic filter with ultrahigh‐Q U‐bend‐mach–zehnder‐interferometer‐coupled microring resonators. Laser & Photonics Reviews 17, 2300347 (2023). doi: 10.1002/lpor.202300347
[16] Wei, C. C. et al. Programmable multifunctional integrated microwave photonic circuit on thin-film lithium niobate. Nature communications 16, 2281 (2025). doi: 10.1038/s41467-025-57441-1
[17] Liu, Y. B. et al. Parallel wavelength-division-multiplexed signal transmission and dispersion compensation enabled by soliton microcombs and microrings. Nature Communications 15, 3645 (2024). doi: 10.1038/s41467-024-47904-2
[18] Lim, J. et al. Ultrasensitive mid-infrared optical gas sensor based on germanium-on-insulator photonic circuits with limit-of-detection at sub-ppm level. ACS Photonics 11, 4268-4278 (2024). doi: 10.1021/acsphotonics.4c01185
[19] Jiang, X. Y. et al. Programmable photonic solver for computationally complex problems. ACS Photonics 10, 4340-4348 (2023). doi: 10.1021/acsphotonics.3c01164
[20] Mazuryk, J. et al. Fabrication, characterization, and sensor applications of polymer-based whispering gallery mode microresonators. ACS Sensors 10, 5314-5338 (2025). doi: 10.1021/acssensors.5c00057
[21] Maalouf, A. et al. Wide tunable thermo-optical filters with polymer micro-ring resonators. Proceedings of SPIE 6996, Silicon Photonics and Photonic Integrated Circuits, Strasbourg, France. SPIE 6996, 69961S (2008).
[22] Yamagata, S., Yanagase, Y. & Kokubun, Y. Wide-range tunable microring resonator filter by thermo-optic effect in polymer waveguide. Japanese Journal of Applied Physics 43, 5766-5770 (2004). doi: 10.1143/JJAP.43.5766
[23] Xu, X. C. et al. Nanofabrication of polymer micro-ring resonator on aoftsubstrate as aflexible ultrasonicdetector(Conferenceresentation). Photons Plus Ultrasound: Imaging and Sensing 2025, San Francisco, CA, USA. SPIE PC13319, PC133190K (2025).
[24] Lv, H. L. et al. Polymer-based microring resonator with the multimode interference coupler operating at very-near-infrared wavelengths. Applied Sciences 9, 2715 (2019). doi: 10.3390/app9132715
[25] Morarescu, R. et al. Fabrication and characterization of high-optical-quality-factor hybrid polymer microring resonators operating at very near infrared wavelengths. IEEE Photonics Journal 8, 6600409 (2016). doi: 10.1109/jphot.2016.2544641
[26] Liaw, D. J. et al. Advanced polyimide materials: syntheses, physical properties and applications. Progress in Polymer Science 37, 907-974 (2012). doi: 10.1016/j.progpolymsci.2012.02.005
[27] Cui, A. Q. et al. All‐optical organic–inorganic hybrid waveguide switches based on photothermal effect of Au‐MOF composites. Advanced Functional Materials 34, 2401880 (2024). doi: 10.1002/adfm.202401880
[28] Song, Q. Q., Chen, K. X. & Hu, Z. F. Low-power broadband thermo-optic switch with weak polarization dependence using a segmented graphene heater. Journal of Lightwave Technology 38, 1358-1364 (2020). doi: 10.1109/JLT.2019.2955511
[29] Yang, L. et al. Short carbon nanotube nano-film-based polymer/SiO2 hybrid waveguide micro-ring filter. ACS Applied Materials & Interfaces 15, 28555-28562 (2023). doi: 10.1021/acsami.3c04231
[30] Houtepen, A. J. et al. Colloidal quantum dots for optoelectronics. Nature Reviews Methods Primers 5, 42 (2025). doi: 10.1038/s43586-025-00413-y
[31] Katsumi, R., Ota, Y. & Benyoucef, M. Telecom‐band quantum dots compatible with silicon photonics for photonic quantum applications. Advanced Quantum Technologies 8, 2300423 (2025). doi: 10.1002/qute.202300423
[32] Georgakilas, I. et al. Room-temperature cavity exciton-polariton condensation in perovskite quantum dots. Nature Communications 16, 5228 (2025). doi: 10.1038/s41467-025-60553-3
[33] Chen, M. Y. et al. Integration of colloidal quantum dots with photonic structures for optoelectronic and optical devices. Advanced Science 8, 2101560 (2021). doi: 10.1002/advs.202101560
[34] Zhang, C. et al. Plasmon-assisted broadband all-optical control of highly intense femtosecond laser by weak continuous-wave laser. Advanced Optical Materials 8, 2000560 (2020).
[35] Chen, S. H. et al. Biosynthesis of NIR-II Ag2Se quantum dots with bacterial catalase for photoacoustic imaging and alleviating-hypoxia photothermal therapy. Small 20, 2310795 (2024).
[36] Carbajal-Valdez, R. et al. Thermo-optic characterization of graphene oxide quantum dot semiconductors for the determination of quantum efficiency. Journal of Materials Science: Materials in Electronics 35, 848 (2024). doi: 10.1007/s10854-024-12594-5
[37] Martins, V. M. et al. Determination of the energy transfer efficiency between CdSe/ZnS quantum dots with two different sizes through a photothermal approach. Journal of Luminescence 198, 198-202 (2018). doi: 10.1016/j.jlumin.2018.02.033
[38] Lee, E. S. et al. Frequency response of thermo-optic phase modulators based on fluorinated polyimide polymer waveguide. Polymers 14, 2186 (2022). doi: 10.3390/polym14112186
[39] Zhang, S. P. et al. PETA polymer/graphene composite film-enabled optical microcavity relative humidity sensor for respiratory monitoring. ACS Applied Electronic Materials 6, 7439-7447 (2024). doi: 10.1021/acsaelm.4c01323
[40] Farsari, M. & Chichkov, B. N. Two-photon fabrication. Nature photonics 3, 450-452 (2009). doi: 10.1016/b978-0-323-35321-2.00003-0
[41] Von Freymann, G. et al. Three‐dimensional nanostructures for photonics. Advanced Functional Materials 20, 1038-1052 (2010). doi: 10.1002/adfm.200901838
[42] Velázquez-Benítez, A. M. , Cano-Velázquez, M. S. & Hernández-Cordero, J. Fiber coupled optically tunable polymer/glass microring resonators. Latin America Optics and Photonics Conference, Medellin Colombia: Optica Publishing Group. LTu5C.5 (2016).
[43] Niu, D. H. et al. 850-nm polymeric waveguide thermo-optic switch with low power-consumption. Optics & Laser Technology 132, 106476 (2020).
[44] Tang, Z. L. et al. High-efficiency cladding-free thermo-optic modulators via 1T′-MoTe2/silicon waveguides. ACS nano 19, 27794-27803 (2025). doi: 10.1021/acsnano.5c08879
[45] Liu, S. P. et al. Thermo-optic phase shifters based on silicon-on-insulator platform: state-of-the-art and a review. Frontiers of Optoelectronics 15, 9 (2022). doi: 10.1007/s12200-022-00012-9
[46] Fischer-Cripps, A. C. The Hertzian contact surface. Journal of materials science 34, 129-137 (1999). doi: 10.1023/A:1004490230078
[47] Guo, D., Xie, G. X. & Luo, J. B. Mechanical properties of nanoparticles: basics and applications. Journal of physics D: applied physics 47, 013001 (2014). doi: 10.1088/0022-3727/47/1/013001
[48] Bansal, A. et al. Controlling the thermomechanical properties of polymer nanocomposites by tailoring the polymer–particle interface. Journal of Polymer Science Part B: Polymer Physics 44, 2944-2950 (2006). doi: 10.1002/polb.20926