Publications

Maier, P.
3D-Printed Coupling Elements for Photonic and Terahertz Assemblies. PhD dissertation
2024, April 9. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000169816  

Maier, P.; Chen, Y.; Xu, Y.; Bao, Y.; Blaicher, M.; Geskus, D.; Dekker, R.; Liu, J.; Dietrich, P.-I.; Peng, H.; Randel, S.; Freude, W.; Kippenberg, T. J.; Koos, C.
Sub-kHz-linewidth external-cavity laser (ECL) with SiN resonator used as a tunable pump for a Kerr frequency comb
2023. Journal of Lightwave Technology, 41 (11), 3479–3490. doi:10.1109/JLT.2023.3243471  

Xu, Y.; Maier, P.; Trappen, M.; Dietrich, P.-I.; Blaicher, M.; Jutas, R.; Weber, A.; Kind, T.; Dankwart, C.; Stephan, J.; Steffan, A.; Abbasi, A.; Morrissey, P.; Gradkowski, K.; Kelly, B.; O’Brien, P.; Freude, W.; Koos, C.
3D-printed facet-attached microlenses for advanced photonic system assembly
2023. Light: Advanced Manufacturing, 4 (2), 77–93. doi:10.37188/lam.2023.003  

Singer, S.; Xu, Y.; Skacel, S. T.; Bao, Y.; Zwickel, H.; Maier, P.; Freter, L.; Dietrich, P.-I.; Kaschel, M.; Menzel, C.; Randel, S.; Freude, W.; Koos, C.
3D-printed facet-attached optical elements for beam shaping in optical phased arrays
2022. Optics Express, 30 (26), 46564–46574. doi:10.1364/OE.456952  

Maier, P.; Xu, Y.; Trappen, M.; Lauermann, M.; Henniger-Ludwig, A.; Kapim, H.; Kind, T.; Dietrich, P.-I.; Weber, A.; Blaicher, M.; Wurster, C.; Randel, S.; Freude, W.; Koos, C.
3D-printed facet-attached optical elements for connecting VCSEL and photodiodes to fiber arrays and multi-core fibers
2022. Optics Express, 30 (26), 46602–46625. doi:10.1364/OE.470676  

Xu, Y.; Maier, P.; Blaicher, M.; Dietrich, P.-I.; Marin-Palomo, P.; Hartmann, W.; Bao, Y.; Peng, H.; Billah, M. R.; Singer, S.; Troppenz, U.; Moehrle, M.; Randel, S.; Freude, W.; Koos, C.
Hybrid external-cavity lasers (ECL) using photonic wire bonds as coupling elements
2021. Scientific reports, 11 (1), Art.-Nr. 16426. doi:10.1038/s41598-021-95981-w  

Haffert, S. Y.; Harris, R. J.; Zanutta, A.; Pike, F. A.; Bianco, A.; Redaelli, E.; Benoît, A.; Maclachlan, D. G.; Ross, C. A.; Gris-Sánchez, I.; Trappen, M. D.; Xu, Y.; Blaicher, M.; Maier, P.; Riva, G.; Sinquin, B.; Kulcsár, C.; Bharmal, N. A.; Gendron, E.; Staykov, L.; Morris, T. J.; Barboza, S.; Muench, N.; Bardou, L.; Prengère, L.; Raynaud, H.-F.; Hottinger, P.; Anagnos, T.; Osborn, J.; Koos, C.; Thomson, R. R.; Birks, T. A.; Snellen, I. A. G.; Keller, C. U.
Diffraction-limited integral-field spectroscopy for extreme adaptive optics systems with the multicore fiber-fed integral-field unit
2020. Journal of astronomical telescopes, instruments, and systems, 6 (4), Art.-Nr.: 045007. doi:10.1117/1.JATIS.6.4.045007 

Schwaab, P.; Maier, P.; Bao, Y.; Singer, S.; Worgull, M.; Freude, W.; Koos, C.
Pluggable Single-Mode Chip-Chip Connections Using Facet-Attached Microlenses and Passive Mechanical Joints
2024. CLEO: Science and Innovations 2024, Part of Conference on Lasers & Electro-Optics, Charlotte, 5th–10th May 2024, SM1D.5, Optica Publishing Group (OSA). doi:10.1364/CLEO_SI.2024.SM1D.5 

Peng, H.; Chen, Y.; Lopez, I. R.; Lihachev, G.; Tian, H.; Voloshin, A.; Riemensberger, J.; Maier, P.; Skacel, S.; Lauermann, M.; Attanasio, A.; Randel, S.; Freude, W.; Bhave, S.; Kippenberg, T. J.; Koos, C.
Low-Phase-Noise Frequency-Agile Hybrid Integrated Laser Offering Highly Linear Tuning for FMCW LiDAR
2024. CLEO: Science and Information: Part of Conference on Lasers & Electro-Optics,Charlotte, North Carolina United States, 5–10 May 2024, Art.-Nr.: SM2M.1, Optica Publishing Group (OSA). doi:10.1364/CLEO_SI.2024.SM2M.1 

Maier, P.; Kotz, A.; Hebeler, J.; Zhang, Q.; Benz, C.; Quint, A.; Kretschmann, M.; Harter, T.; Randel, S.; Lemmer, U.; Freude, W.; Zwick, T.; Koos, C.
3D Freeform Millimeter-Wave and THz Structures Based on Multi-Photon Lithography
2024. 2024 Optical Fiber Communications Conference and Exhibition (OFC), 1–3, Institute of Electrical and Electronics Engineers (IEEE) 

Chen, Y.; Lihachev, G.; Peng, H.; Tian, H.; Fang, D.; Voloshin, A.; Riemensberger, J.; Maier, P.; Skacel, S. T.; Lauermann, M.; Attanasio, A.; Randel, S.; Freude, W.; Bhave, S.; Kippenberg, T. J.; Koos, C.
Frequency-Agile Self-Injection-Locked Lasers With sub-100 Hz Linewidth based on In-Package Photonic Wire Bonds
2023. CLEO: Science and Innovations 2023, STu4P.4, Optica Publishing Group (OSA) 

Singer, S.; Xu, Y.; Skacel, S. T.; Zwickel, H.; Maier, P.; Dietrich, P.-I.; Kaschel, M.; Menzel, C.; Randel, S.; Freude, W.; Koos, C.
3D-Printed Facet-Attached Optical Elements for Beam Shaping in Solid-State Phased Arrays
2022. Conference on Lasers and Electro-Optics, Paper SM4P.5, Optica Publishing Group (OSA). doi:10.1364/CLEO_SI.2022.SM4P.5 

Maier, P.; Bremauer, C.; Bao, Y.; Xu, Y.; Ganin, D.; Randel, S.; Freude, W.; Koos, C.
Swept-Source Optical Coherence Tomography (SS-OCT) Using a Hybrid Silicon Photonic External-Cavity Laser (ECL)
2022. Conference on Lasers and Electro-Optics (CLEO), Paper AM5I.4, Optica Publishing Group (OSA). doi:10.1364/CLEO_AT.2022.AM5I.4 

Maier, P.; Chen, Y.; Xu, Y.; Blaicher, M.; Geskus, D.; Dekker, R.; Liu, J.; Dietrich, P.-I.; Peng, H.; Randel, S.; Freude, W.; Kippenberg, T. J.; Koos, C.
InP/SiN Hybrid External-Cavity Laser With sub-kHz Linewidth Acting as a Pump Source for Kerr Frequency Combs
2022. European Conference on Optical Communication (ECOC 2022), Basel, Switzerland, Sept. 18-22 2022, Art.-Nr.: We2E.4, Optica Publishing Group (OSA) 

Maier, P.; Xu, Y.; Lauermann, M.; Henniger-Ludwig, A.; Kapim, H.; Trappen, M.; Kind, T.; Weber, A.; Blaicher, M.; Dietrich, P.-I.; Wurster, C.; Randel, S.; Freude, W.; Koos, C.
3D-Printed Optical Elements for Coupling of VCSEL and Photodiode Arrays to Multi-Core Fibers in an SFP Transceiver Assembly
2022. Proceedings Optical Fiber Communication Conference (OFC) 2022, 6–10 March 2022, San Diego, California, United States, Art.-Nr.: W2A.1, Optica Publishing Group (OSA). doi:10.1364/OFC.2022.W2A.1 

Anagnos, T.; Maier, P.; Hottinger, P.; Betters, C. H.; Feger, T.; Leon-Saval, S. G.; Gris-Sánchez, I.; Yerolatsitis, S.; Lozi, J.; Birks, T. A.; Vievard, S.; Jovanovic, N.; Rains, A. D.; Ireland, M. J.; Harris, R. J.; Kuo Tiong, B. C.; Guyon, O.; Norris, B.; Haffert, S. Y.; Blaicher, M.; Xu, Y.; Straub, M.; Pott, J.-U.; Sawodny, O.; Neureuther, P. L.; Coutts, D. W.; Schwab, C.; Koos, C.; Quirrenbach, A.
An innovative integral field unit upgrade with 3D-printed micro-lenses for the RHEA at Subaru
2020. R. Geyl & R. Navarro (Eds.), Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation IV, 263, SPIE. doi:10.1117/12.2560626 

Harris, R. J.; Pike, F. A.; Trappen, M.; Haffert, S. Y.; Xu, Y.; Benoît, A.; Ross, C. A.; MacLachlan, D. G.; Barboza, S.; Münch, N.; Gris-Sánchez, I.; Blaicher, M.; Maier, P.; Koos, C.; Birks, T. A.; Thomson, R. R.
Multi-core fibre-fed integral field spectrograph (MCIFU) IV: the fiber link
2020. R. Geyl & R. Navarro (Eds.), Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation IV : 14-22 December 2020, online only, United States. Eds.: Ramón Navarro, Roland Geyl, 80, SPIE. doi:10.1117/12.2562689 

Haffert, S. Y.; Harris, R. J.; Zanutta, A.; Pike, F.; Bianco, A.; Redaelli, E. M. A.; Benoît, A.; MacLachlan, D.; Ross, C.; Gris-Sánchez, I.; Trappen, M.; Xu, Y.; Blaicher, M.; Maier, P.; Riva, G.; Sinquin, B.; Kulcsár, C.; Bharmal, N. A.; Gendron, É.; Staykov, L.; Morris, T. J.; Barboza, S.; Muench, N.; Bardour, L. F.; Prengere, L.; Raynaud, H.-F.; Hottinger, P.; Anagnos, T.; Osborn, J.; Koos, C.; Thompson, R. R.; Birks, T. A.; Snellen, I. A. G.; Keller, C. U.; Close, L. M.; Males, J. R.
Multi-core fibre-fed integral-field unit (MCIFU): overview and first-light
2020. D. Schmidt, L. Schreiber & E. Vernet (Eds.), Adaptive Optics Systems VII : 14-22 December 2020, online only, United States. Ed.: Laura Schreiber, 219, SPIE. doi:10.1117/12.2562719 

Xu, Y.; Maier, P.; Blaicher, M.; Dietrich, P.-I.; Marin-Palomo, P.; Hartmann, W.; Billah, M. R.; Troppenz, U.; Möhrle, M.; Randel, S.; Freude, W.; Koos, C.
InP/Silicon Hybrid External-Cavity Lasers (ECL) Using Photonic Wirebonds as Coupling Elements
2020. Optical Fiber Communication Conference (OFC) 2020, M4H.6, Optica Publishing Group (OSA). doi:10.1364/OFC.2020.M4H.6  

Maier, P.; Kotz, A.; Hebeler, J.; Zhang, Q.; Benz, C.; Quint, A.; Kretschmann, M.; Harter, T.; Randel, S.; Lemmer, U.; Freude, W.; Zwick, T.; Koos, C.
Freeform terahertz structures fabricated by multi-photon lithography and metal coating
2023. arxiv. doi:10.48550/arXiv.2401.03316  

Singer, S.; Xu, Y.; Skacel, S. T.; Zwickel, H.; Maier, P.; Freter, L.; Dietrich, P.-I.; Kaschel, M.; Menzel, C. M.; Randel, S.; Freude, W.; Koos, C.
3D-printed facet-attached optical elements for beam shaping in optical phased arrays
2022. doi:10.48550/arXiv.2203.12989  

Maier, P.; Chen, Y.; Xu, Y.; Bao, Y.; Blaicher, M.; Geskus, D.; Dekker, R.; Liu, J.; Dietrich, P. I.; Peng, H.; Randel, S.; Freude, W.; Kippenberg, T. J.; Koos, C.
Sub-kHz-linewidth external-cavity laser (ECL) with Si3N4 resonator used as a tunable pump for a Kerr frequency comb
2022. doi:10.48550/arXiv.2211.06040  

Maier, P.; Xu, Y.; Trappen, M.; Lauermann, M.; Henniger-Ludwig, A.; Kapim, H.; Kind, T.; Dietrich, P.-I.; Weber, A.; Blaicher, M.; Wurster, C.; Randel, S.; Freude, W.; Koos, C.
3D-printed facet-attached optical elements for connecting VCSEL and photodiodes to fiber arrays and multi-core fibers
2022. doi:10.48550/arXiv.2208.11005  

Koos, C.; Xu, Y.; Maier, P.; Trappen, M.
Printed freeform micro-optics for tailored photonic assemblies : Akronym: PRIMA : Abschlussbericht zum BMBF Verbundprojekt : Teilvorhaben 1: Integrationskonzept, Prozesskette, Software und Anwendungsdemonstration : Projektlaufzeit: 01.09.2017 bis 28.02.2021 (incl. kostenneutraler Verlängerung) : Abschlussbericht PRIMA - Karlsruher Institut für Technologie, Institut für Mikrostrukturtechnik
2021. Karlsruher Institut für Technologie (KIT). doi:10.2314/KXP:179461348X 

Knehr, E.; Xu, Y.; Bao, Y.; Maier, P.; Jimenez, C.; Ilin, K.; Ziegler, M.; Schmidt, H.; Kempf, S.; Kuzmin, A.; Koos, C.; Siegel, M.
Optical packaging of SNSPDs with photonic wire bonds
2021, September 8. 15th European Conference on Applied Superconductivity (EUCAS 2021), Online, September 5–9, 2021