Journal Publications
Conference Papers and Presentations
S. Gafsi*, F. Bin-Tarik*, C. T. Nelson and J. D. Ryckman, "Optically resonant all-dielectric diabolo nanodisks," under review. [arXiv] (* = authors contributed equally)
T. H. Talukdar, A. L. Hardison and J. D. Ryckman, "Moiré effects in silicon photonic nanowires,” ACS Photonics, to appear (2022). [link]
F. Bin-Tarik and J. D. Ryckman, "Fabrication tolerant coupling between silicon strip and subdiffraction V-groove waveguides," Opt. Continuum 1, 453-461 (2022). [link]
T. H. Talukdar, B. McCoy, S. Timmins, T. Khan and J. D. Ryckman, "Hyperchromatic structural color for perceptually enhanced sensing by the naked eye,” PNAS 117(48), 30107-30117 (2020). [link]
T. H. Talukdar and J. D. Ryckman, "Multifunctional focusing and accelerating of light with a simple flat lens," Opt. Express 28, 30597-30605 (2020). [link]
N. Sakib and J. D. Ryckman, "Design of ultra-small mode area all-dielectric waveguides exploiting the vectorial nature of light," Opt. Lett. 45, 4730-4733 (2020). [link]
T. H. Talukdar, J. C. Perez, and J. D. Ryckman, "Nanoimprinting of Refractive Index: Patterning Subwavelength Effective Media for Flat Optics," ACS Appl. Nano Mater. 3, 7377-7383 (2020). [link]
F. Bin-Tarik, A. Famili, Y. Lao, and J. D. Ryckman, "Robust optical physical unclonable function using disordered photonic integrated circuits," Nanophotonics 9(9), 2817-2828 (2020). [link]
T. H. Talukdar, G. D. Allen, I. Kravchenko, and J. D. Ryckman, "Single-mode porous silicon waveguide interferometers with unity confinement factors for ultra-sensitive surface adlayer sensing," Opt. Express 27, 22485-22498 (2019). [link]
J. D. Ryckman, “Random perfect absorption with 2D atomic materials mediated by Anderson localization,” ACS Photonics 5, 574 (2018). [link]
Pre-2018
G. A. Rodriguez†, J. D. Ryckman†, Y. Jiao, S. M. Weiss, “A size selective porous silicon grating-coupled Bloch surface and sub-surface wave biosensor,” Biosens. Bioelectron. 53, 486 (2014).
J. D. Ryckman, K. A. Hallman, R. E. Marvel, R. F. Haglund, and S. M. Weiss, “Ultra-compact silicon photonic devices reconfigured by an optically induced semiconductor-to-metal transition,” Opt. Express 21, 10753 (2013).
J. D. Ryckman, Y. Jiao, and S. M. Weiss, “Three dimensional patterning and morphological control over porous nanomaterials by gray-scale direct imprinting,” Sci. Rep. 3, 1502 (2013).
Y. Jiao, J. D. Ryckman, D. S. Koktysh, and S. M. Weiss, “Controlling surface enhanced Raman scattering using grating-type patterned nanoporous gold substrates,” Opt. Mat. Express 3, 1137-1148 (2013).
J. D. Ryckman and S. M. Weiss, “Low mode volume slotted photonic crystal single nanobeam cavity,” Appl. Phys. Lett. 101, 071104 (2012). [APL cover article, August 13th 2012 issue; featured in Optics & Photonics News December 2013 special issue]
J. D. Ryckman, V. Diez-Blanco, J. Nag, R. E. Marvel, B. K. Choi, R. F. Haglund, and S. M. Weiss, “Photothermal optical modulation of ultra-compact hybrid Si-VO2 ring resonators,” Opt. Express 20, 13215-13225 (2012).
J. D. Ryckman and S. M. Weiss, “Localized field enhancements in guided and defect modes of a periodic slot waveguide,” IEEE Photon. J. 3, 06986 (2011).
Y. Jiao, J. D. Ryckman, P. N. Ciesielski, C. A. Escobar, G. K. Jennings, and S. M. Weiss, “Patterned nanoporous gold as an effective SERS template,” Nanotechnol. 22, 295302 (2011).
J. D. Ryckman, M. Liscidini, J. E. Sipe, and S. M. Weiss, “Direct imprinting of porous substrates: A rapid and low-cost approach for patterning porous materials,” Nano Lett. 11, 051857 (2011). [featured on cover, May 2011 issue; **]
J. D. Ryckman, R. A. Reed, R. A. Weller, D. M. Fleetwood, and S. M. Weiss, “Enhanced room temperature oxidation in silicon and porous silicon under 10keV x-ray irradiation,” J. Appl. Phys. 108, 113528 (2010).
J. D. Ryckman, M. Liscidini, J. E. Sipe, and S. M. Weiss, “Porous silicon structures for low-cost diffraction-based biosensing,” Appl. Phys. Lett. 96, 171103 (2010). [Selected to appear in Virtual Journal of Biological Physics Research vol. 19, issue 9 (2010)]
G. Rong, J. D. Ryckman, R. Mernaugh, and S. M. Weiss, “Label-free porous silicon membrane waveguide for DNA sensing,” Appl. Phys. Lett. 93, 161109 (2008). [Also appears in Virtual Journal of Biological Physics Research vol. 16, issue 9 (2008) and Virtual Journal of Nanoscale Science & Technology vol. 18, issue 18 (2008)]
F. B. Tarik, A. Famili, Y. Lao and J. D. Ryckman, "Secure authentication of 56 physically unclonable silicon photonic integrated circuits," 2021 IEEE 17th International Conference on Group IV Photonics (GFP), 2021, pp. 1-2, doi: 10.1109/GFP51802.2021.9673994. [link]
T. H. Talukdar, A. Hardison and J. D. Ryckman, "Twistoptics in 1D: Silicon moiré photonic crystals," 2021 IEEE 17th International Conference on Group IV Photonics (GFP), 2021, pp. 1-2, doi: 10.1109/GFP51802.2021.9673817. [link]
T. H. Talukdar and J. D. Ryckman, “Hyperchromatic structural color for enhanced naked eye colorimetric sensing using a porous silicon interferometer,” European Biosensor Symposium 2021, July 2021. (invited)
J. D. Ryckman, “Nanoscale engineering of silicon based waveguides,” 23rd Photonics North Conference, July 2021. (invited)
F. Bin-Tarik, S. Gafsi, and J. D. Ryckman, "Localized field enhancements and anapoles in subwavelength-engineered silicon nanodisks,” in Conference on Lasers and Electro-Optics, OSA Technical Digest (Optical Society of America, 2021), paper JTu3A.76. [link]
T. H. Talukdar and J. D. Ryckman, "Focusing and Accelerating Light with the Same Flat Lens,” in Conference on Lasers and Electro-Optics, OSA Technical Digest (Optical Society of America, 2021), paper JTu3A.160. [link]
F. Bin-Tarik, A. Famili, Y. Lao, and J. D. Ryckman, "Analysis of 56 Physically Unclonable Silicon Photonic Moiré Quasicrystal Interferometers,” in Conference on Lasers and Electro-Optics, OSA Technical Digest (Optical Society of America, 2021), paper FTu2M.7. [link]
T. H. Talukdar, B. McCoy, S. Timmins, T. Khan and J. D. Ryckman, "Hyperchromatic structural color for perceptually enhanced sensing by the naked eye,” in Conference on Lasers and Electro-Optics, OSA Technical Digest (Optical Society of America, 2021), paper JM4D.2. [link]
J. D. Ryckman, “Breaking the performance limits of label-free optical biosensors for lab-on-a-chip and naked-eye diagnostics,” ACS Sensors Emerging Investigators, ACS Fall 2020 Virtual Meeting & EXPO, August 2020. (invited)
F. Bin-Tarik, A. Famili, Y. Lao, and J. D. Ryckman, "Realization of robust optical physical unclonable function using a silicon photonic quasicrystal interferometer,” in Conference on Lasers and Electro-Optics, OSA Technical Digest (Optical Society of America, 2020), paper SF3J.2. [link]
T. H. Talukdar and J. D. Ryckman, "Ultra-Sensitive and High Figure of Merit Interferometric Biosensors Using Dispersion Effects in Porous Waveguides,” in Conference on Lasers and Electro-Optics, OSA Technical Digest (Optical Society of America, 2020), paper STh1N.4. [link]
J. C. Perez, T. H. Talukdar, and J. D. Ryckman, "Patterning Refractive Index on the Surface of a Chip by Direct Nanoimprinting,” in Conference on Lasers and Electro-Optics, OSA Technical Digest (Optical Society of America, 2020), paper FTu4Q.5. [link]
F. Bin-Tarik and J. D. Ryckman, "Efficient Optical Coupling to Ultra-low Mode Area Silicon V-groove Waveguides," 2019 IEEE Photonics Conference (IPC), San Antonio, TX, 2019, paper WP3. [link]
N. Sakib and J. D. Ryckman, "Extreme Sub-wavelength Optical Confinement in Nanostructured All-dielectric Silicon Waveguides," in Conference on Lasers and Electro-Optics, OSA Technical Digest (Optical Society of America, 2019), paper JTh2A.52. [link]
G. D. Allen, W. F. Delaney, and J. D. Ryckman, “Inversely processed mesoporous silicon rib-type waveguides with unity confinement factors for surface adlayer biosensing,” , Porous Semiconductors – Science and Technology (PSST 2018) Conference, La Grande Motte, France, March 2018.
G. D. Allen, W. F. Delaney, and J. D. Ryckman, “Porous silicon photonics at unity confinement factors for biosensing applications,” in CLEO: QELS Fundamental Science, OSA Technical Digest (Optical Society of America, 2018), paper SW3L.4. [link]
J. D. Ryckman, “Random Perfect Absorption in 2D Atomic Layers on All-Dielectric Substrates Mediated by Anderson Localization,” in CLEO: QELS Fundamental Science, OSA Technical Digest (Optical Society of America, 2017), paper FTu4H.4. [link]
Pre-2017
P. Markov, J. D. Ryckman, R. E. Marvel, K. A. Hallman, R. F. Haglund, and S. M. Weiss, “Silicon-VO2 hybrid electro-optic modulator,” in CLEO: Science and Innovations, OSA Technical Digest (Optical Society of America, 2013), paper CTu2F.7.
G. A. Rodriguez, J. D. Ryckman, Y. Jiao, R. L. Fuller, and S. M. Weiss, “Real-time detection of small and large molecules using a porous silicon grating-coupled Bloch surface wave label-free biosensor,” Proc. SPIE 8570, 857004 (2013).
J. D. Ryckman, V. Diez-Blanco, J. Nag, R. E. Marvel, B. K. Choi, R. F. Haglund, and S. M. Weiss, “Photothermal optical modulation of ultra-compact hybrid Si-VO2 ring resonators,” in Group IV Photonics (GFP), 9th IEEE International Conference on, pp.69-71, 29-31 Aug. (2012). [1st Place for Best Student Paper]
J. D. Ryckman and S. M. Weiss, “Low mode volume slotted photonic crystal single nanobeam cavity in silicon,” in Group IV Photonics (GFP), 9th IEEE International Conference on, pp.24-26, 29-31 Aug. (2012).
J. D. Ryckman, M. Liscidini, J. E. Sipe, and S. M. Weiss, “Low-cost Micro- and Nano-structures in Porous Nanomaterials Realized by Direct Imprinting of Porous Substrates,” Mater. Res. Soc. Symp. Proc. 1340, t01‑08 (2011).
J. D. Ryckman, M. Liscidini, J. E. Sipe, and S. M. Weiss, “Direct imprinting of porous substrates,” in Conference on Lasers and Electro-Optics/International Quantum Electronics Conference, OSA Technical Digest (Optical Society of America, 2011), paper CMEE3.
Y. Jiao, J. D. Ryckman, M. Liscidini, J. E. Sipe, P. N. Ciesielski, C. A. Escobar, G. Jennings, and S. M. Weiss, “Direct Imprinted Gratings on Nanoporous Gold as Effective SERS Substrates,” in Conference on Lasers and Electro-Optics/International Quantum Electronics Conference, OSA Technical Digest (Optical Society of America, 2011), paper CFN3.
J. D. Ryckman, M. Liscidini, J. E. Sipe, and S. M. Weiss, “Diffraction based biosensing with porous silicon,” in Conference on Lasers and Electro-Optics/International Quantum Electronics Conference, OSA Technical Digest (Optical Society of America, 2010), paper CTuB4.
J. Nag, J. D. Ryckman, M. T. Hertkorn, B. K. Choi, R. F. Haglund, Jr., and S. M. Weiss, "Ultrafast compact silicon-based ring resonator modulators using metal-insulator switching of vanadium dioxide," Proc. of SPIE 7597, 759710 (2010).
J. D. Ryckman, M. Liscidini, J. E. Sipe, and S. M. Weiss, "Low-cost optical microstructures fabricated by imprinting porous silicon," Proc. of SPIE 7591, 759108 (2010).
J. E. Sipe, J. D. Ryckman, S.M. Weiss, and M. Liscidini, "Enhancement of diffraction-based biosensing using porous structures and electromagnetic surface states," Proc. of SPIE 7553, 75530M (2010).