Fiber Optics, Devices and Non-linear Effects

  • Ørsteds Plads, 343

    DK-2800 Kgs. Lyngby

    Denmark

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Journal article
2020

High gain in a dual-pass rod-type fiber amplifier

Lupi, J. F., Johansen, M. M., Michieletto, M., Christensen, S. L. & Lægsgaard, J., 1 Jan 2020, In : Journal of the Optical Society of America B: Optical Physics. 37, 2, p. 451-458

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Nonlinear four-wave mixing with enhanced diversity and selectivity via spin and orbital angular momentum conservation

Liu, X., Christensen, E. N., Rottwitt, K. & Ramachandran, S., 1 Jan 2020, In : APL Photonics. 5, 1, 8 p., 010802.

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Stable Transmission of High-Dimensional Quantum States over a 2-km Multicore Fiber

Da Lio, B., Oxenløwe, L. K., Bacco, D., Cozzolino, D., Biagi, N., Arge, T. N., Larsen, E., Rottwitt, K., Ding, Y. & Zavatta, A., 1 Jul 2020, In : IEEE Journal of Selected Topics in Quantum Electronics. 26, 4, 8 p., 8936933.

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Thermo-optic instabilities in asymmetric dual-core amplifiers

Lægsgaard, J., Poli, F., Cucinotta, A. & Selleri, S., 1 May 2020, In : Journal of the Optical Society of America B: Optical Physics. 37, 5, p. 1494-1501

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2019

Air-cladded mode-group selective photonic lanterns for mode-division multiplexing

Mariam Mathew, N., Christensen, J. B., Grüner-Nielsen, L., Galili, M. & Rottwitt, K., 2019, In : Optics Express. 27, 9, p. 13329-13343

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A versatile silicon-silicon nitride photonics platform for enhanced functionalities and applications

Wilmart, Q., El Dirani, H., Tyler, N., Fowler, D., Malhouitre, S., Garcia, S., Casale, M., Kerdiles, S., Hassan, K., Monat, C., Letartre, X., Kamel, A., Pu, M., Yvind, K., Oxenløwe, L. K., Rabaud, W., Sciancalepore, C., Szelag, B. & Olivier, S., 11 Jan 2019, In : Applied Sciences (Switzerland). 9, 2, 16 p., 255.

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Boosting the secret key rate in a shared quantum and classical fibre communication system

Bacco, D., da Lio, B., Cozzolino, D., Da Ros, F., Guo, X., Ding, Y., Sasaki, Y., Aikawa, K., Miki, S., Terai, H., Yamashita, T., Neergaard-Nielsen, J. S., Galili, M., Rottwitt, K., Andersen, U. L., Morioka, T. & Oxenløwe, L. K., 2019, In : Communications Physics. 2, 1, 8 p., 140.

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Complete evolution equation for the joint amplitude in photon-pair generation through spontaneous four-wave mixing

Koefoed, J. G. & Rottwitt, K., 2019, In : Physical Review A. 100, 6, 8 p., 063813 .

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Effects of higher-order dispersion on photon-pair generation by four-wave mixing

Koefoed, J. G., Christensen, J. B., McKinstrie, C. J. & Rottwitt, K., 23 Jan 2019, In : Physical Review A. 99, 1, 9 p., 013844.

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Experimental demonstration of the DPTS QKD protocol over a 170 km fiber link

da Lio, B., Bacco, D., Cozzolino, D., Ding, Y., Dalgaard, K., Rottwitt, K. & Oxenløwe, L. K., 2019, In : Applied Physics Letters. 114, 1, 5 p., 011101.

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Field trial of a three-state quantum key distribution scheme in the Florence metropolitan area

Bacco, D., Vagniluca, I., Da Lio, B., Biagi, N., Della Frera, A., Calonico, D., Toninelli, C., Cataliotti, F. S., Bellini, M., Oxenløwe, L. K. & Zavatta, A., 1 Dec 2019, In : E P J Quantum Technology. 6, 1, 5.

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Full-vectorial multimode nonlinear simulations on a real-space Fourier–Gauss grid

Lægsgaard, J., 1 Jan 2019, In : Journal of the Optical Society of America B: Optical Physics. 36, 8, p. 2235-2243 9 p.

Research output: Contribution to journalJournal articleResearchpeer-review

High-Dimensional Quantum Communication: Benefits, Progress, and Future Challenges

Cozzolino, D., da Lio, B., Bacco, D. & Oxenløwe, L. K., 2019, In : Advanced Quantum Technologies. 17 p., 1900038.

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High-quality factor, high-confinement microring resonators in 4H-silicon carbide-on-insulator

Zheng, Y., Pu, M., Yi, A., Chang, B., You, T., Huang, K., Kamel, A. N., Henriksen, M. R., Jørgensen, A. A., Ou, X. & Ou, H., 29 Apr 2019, In : Optics Express. 27, 9, p. 13053-13060

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Hong–Ou–Mandel interference between independent III–V on silicon waveguide integrated lasers

Agnesi, C., Da Lio, B., Cozzolino, Cardi, L., Bakir, B. B., Hassan, K., Frera, A. D., Ruggeri, A., Giudice, A., Vallone, G., Villoresi, P., Tosi, A., Rottwitt, K., Ding, W. & Bacco, D., 2019, In : Optics Letters. 44, 2, p. 271-274 4 p.

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Inter-modal Raman amplification of OAM fiber modes

Rottwitt, K., Koefoed, J. G., Ingerslev, K. & Kristensen, P., 2019, In : APL Photonics. 4, 3, 11 p., 030802.

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Invited paper: Characterization of few mode fibers and devices

Grüner-Nielsen, L., Mathew, N. M. & Rottwitt, K., 1 Nov 2019, In : Optical Fiber Technology. 52, 101972.

Research output: Contribution to journalJournal articleResearchpeer-review

Multichannel Photon-Pair Generation with Strong and Uniform Spectral Correlation in a Silicon Microring Resonator

Shi, X., Guo, K., Christensen, J. B., Castaneda, M. A. U., Liu, X., Ou, H. & Rottwitt, K., 26 Sep 2019, In : Physical Review Applied. 12, 3, 6 p., 034053.

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Orbital Angular Momentum States Enabling Fiber-based High-dimensional Quantum Communication

Cozzolino, D., Bacco, D., da Lio, B., Ingerslev, K., Ding, Y., Dalgaard, K., Kristensen, P., Galili, M., Rottwitt, K., Ramachandran, S. & Oxenløwe, L. K., 2019, In : Physical Review Applied. 11, 12 p., 064058.

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Poor-man's model of hollow-core anti-resonant fibers

Bache, M., Habib, M. S., Markos, C. & Lægsgaard, J., 2019, In : Journal of the Optical Society of America B-optical Physics. 36, 1, p. 69-80

Research output: Contribution to journalJournal articleResearchpeer-review

Static and dynamic mode instabilities in dual-core fiber amplifiers

Lægsgaard, J., Poli, F., Cucinotta, A. & Selleri, S., 1 Mar 2019, In : Journal of the Optical Society of America B: Optical Physics. 36, 3, p. 757-767

Research output: Contribution to journalJournal articleResearchpeer-review

Unidirectional frequency conversion in microring resonators for on-chip frequency-multiplexed single-photon sources

Heuck, M., Koefoed, J. G., Christensen, J. B., Ding, Y., Frandsen, L. H., Rottwitt, K. & Oxenløwe, L. K., 2019, In : New Journal of Physics. 21, 3, 19 p., 033037 .

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2018

12 mode, WDM, MIMO-free orbital angular momentum transmission

Ingerslev, K., Gregg, P., Galili, M., Da Ros, F., Hu, H., Bao, F., Usuga Castaneda, M. A., Kristensen, P., Rubano, A., Marrucci, L., Rottwitt, K., Morioka, T., Ramachandran, S. & Oxenløwe, L. K., 2018, In : Optics Express. 26, 16, p. 20225-232

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Analytic description of four-wave mixing in silicon-on-insulator waveguides

Friis, S. M. M., Koefoed, J. G., Guo, K. & Rottwitt, K., 2018, In : Optical Society of America. Journal B: Optical Physics. 35, 4, p. 702-710

Research output: Contribution to journalJournal articleResearchpeer-review

Annealing-free Si3N4 frequency combs for monolithic integration with Si photonics

El Dirani, H., Kamel, A. N., Casale, M., Kerdiles, S., Monat, C., Letartre, X., Pu, M., Oxenløwe, L. K., Yvind, K. & Sciancalepore, C., 2018, In : Applied Physics Letters. 113, 8, 5 p., 081102.

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Cherenkov radiation from 1550 nm pumping in tapered photonic crystal fibers

Lægsgaard, J., 2018, In : Optics Letters. 43, 12, p. 2744-2747 4 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Designing fiber tapers for tunable dispersive-wave generation from agile Yb-based pump lasers

Lægsgaard, J., 2018, In : Journal of the Optical Society of America B-optical Physics. 35, 6, p. 1433-1441 9 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Engineering spectrally unentangled photon pairs from nonlinear microring resonators by pump manipulation

Christensen, J. B., Koefoed, J. G., Rottwitt, K. & McKinstrie, C. J., 2018, In : Optics Letters. 43, 4, p. 859-862

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Entanglement swapping for generation of heralded time-frequency-entangled photon pairs

Vitullo, D. L. P., Raymer, M. G., Smith, B. J., Karpinski, M., Mejling, L. & Rottwitt, K., 2018, In : Physical Review A (Atomic, Molecular and Optical Physics). 98, 2, 15 p., 023836.

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Experimentally validated dispersion tailoring in a silicon strip waveguide with alumina thin-film coating

Guo, K., Christensen, J. B., Shi, X., Christensen, E. N., Lin, L., Ding, Y., Ou, H. & Rottwitt, K., 6 Feb 2018, In : IEEE Photonics Journal. 10, 2, 9 p., 6600508.

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Fast and Versatile Inverse Hysteresis Model in Quasi-Static Regime: Derivation and Implementation in Simulink and PEEC Frameworks

Astorino, A., Romano, D. & Antonini, G., 2018, In : I E E E Transactions on Magnetics. 54, 7, 10 p.

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Fiber mode excitation using phase-only spatial light modulation: Guideline on free-space path design and lossless optimization

Astorino, A., Glückstad, J. & Rottwitt, K., 2018, In : A I P Advances. 8, 9, 17 p., 095111.

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Multidimensional quantum entanglement with large-scale integrated optics

Wang, J., Paesani, S., Ding, Y., Santagati, R., Skrzypczyk, P., Salavrakos, A., Tura, J., Augusiak, R., Mančinska, L., Bacco, D., Bonneau, D., Silverstone, J. W., Gong, Q., Acín, A., Rottwitt, K., Oxenløwe, L. K., O'Brien, J. L., Laing, A. & Thompson, M. G., 2018, In : Science. 14 p.

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Photon-pair sources based on intermodal four-wave mixing in few-mode fibers

Rottwitt, K., Koefoed, J. G. & Christensen, E. N., 1 Jun 2018, In : Fibers. 6, 2, 32.

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Scaling relations for soliton compression and dispersive-wave generation in tapered optical fibers

Lægsgaard, J., 2018, In : Optical Society of America. Journal B: Optical Physics. 35, 4, p. 783-789

Research output: Contribution to journalJournal articleResearchpeer-review

Shape-preserving and unidirectional frequency conversion by four-wave mixing

Christensen, J. B., Koefoed, J. G., Bell, B. A., McKinstrie, C. J. & Rottwitt, K., 2018, In : Optics Express. 26, 13, p. 17145-17457

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Spatial beam cleanup by pure Kerr processes in multimode fibers

Lægsgaard, J., 2018, In : Optics Letters. 43, 11, p. 2700-2703

Research output: Contribution to journalJournal articleResearchpeer-review

Static and dynamic mode coupling in a double-pass rod-type fiber amplifier

Lupi, J. F., Johansen, M. M., Michieletto, M. & Lægsgaard, J., 15 Nov 2018, In : Optics Letters. 43, 22, p. 5535-5538

Research output: Contribution to journalJournal articleResearchpeer-review

The Bowtie effect in cylindrical waveguides

Astorino, A., Lægsgaard, J. & Rottwitt, K., 2018, In : Journal of Lightwave Technology. 36, 16, p. 3309-17

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Theory of thermo-optic instabilities in dual-core fiber amplifiers

Lægsgaard, J., Poli, F., Cucinotta, A. & Selleri, S., 2018, In : Optics Letters. 43, 19, p. 4775-4778

Research output: Contribution to journalJournal articleResearchpeer-review

Thermal Effects on Modal Properties of Dual-Core Yb-Doped Fibers

Poli, F., Laegsgaard, J., Cucinotta, A. & Selleri, S., 1 Jan 2018, In : Journal of Lightwave Technology. 37, 4, p. 1075 - 1083

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2017

Broadband wavelength conversion in a silicon vertical-dual-slot waveguide

Guo, K., Lin, L., Christensen, J. B., Christensen, E. N., Shi, X., Ding, Y., Rottwitt, K. & Ou, H., 2017, In : Optics Express. 25, 26, p. 32964-32971

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Effects of noninstantaneous nonlinear processes on photon-pair generation by spontaneous four-wave mixing

Koefoed, J. G., Christensen, J. B. & Rottwitt, K., 2017, In : Physical Review A (Atomic, Molecular and Optical Physics). 95, 4, 043842.

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Effects of Raman scattering and attenuation in silica fiber-based parametric frequency conversion

Friis, S. M. M., Andersen, L. M. & Rottwitt, K., 2017, In : Optics Express. 7, 3, p. 7324-7337 14 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Efficient simulation of multimodal nonlinear propagation in step-index fibers

Lægsgaard, J., 2017, In : Journal of the Optical Society of America B-optical Physics. 34, 10, p. 2266-2273

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Flexible cross-correlated (C2) imaging method for the modal content characterization in a broad range of wavelengths

Muliar, O., Usuga Castaneda, M. A., Michieletto, M., Kristensen, T., Alkeskjold, T. T., Rottwitt, K. & Lægsgaard, J., 2017, In : Optics Express. 25, 5, p. 5521-5535 281618.

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Full-vectorial propagation model and modified effective mode area of four-wave mixing in straight waveguides

Guo, K., Friis, S. M. M., Christensen, J. B., Christensen, E. N., Shi, X., Ding, Y., Ou, H. & Rottwitt, K., 2017, In : Optics Letters. 42, 18, p. 3670-3673

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Generation of two-temporal-mode photon states by vector four-wave mixing

Mckinstrie, C. J., Christensen, J. B., Rottwitt, K. & Raymer, M. G., 2017, In : Optics Express. 25, 17, p. 20877-20893

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High coincidence-to-accidental ratio continuous-wave photon-pair generation in a grating-coupled silicon strip waveguide: Letters

Guo, K., Christensen, E. N., Christensen, J. B., Koefoed, J. G., Bacco, D., Ding, Y., Ou, H. & Rottwitt, K., 2017, In : Applied Physics Express. 10, 6, 5 p., 062801.

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