Dr. Winnie N. Ye Profile

Dr. Winnie N. Ye

Professor at Carleton Univ

SPIE Involvement:

Conference Program Committee | Author | Student Chapter Advisor

Publications (46)

Proceedings Article | 13 March 2024 Presentation

Presentation

Silicon photonic Bragg grating structures for spectral filtering

Alejandro Ortega-Moñux, Alejandro Fernández-Hinestrosa, Carlos Pérez-Armenta, José Manuel Luque-González, Alejandro Sánchez-Postigo, Daniel Pereira-Martín, J. Gonzalo Wangüemert-Pérez, Robert Halir, Abdelfettah Hadij-El Houati, Pavel Cheben, Jens Schmid, Maziyar Milanizadeh, Shurui Wang, Kevan MacKay, Winnie Ye, Íñigo Molina-Fernández

Proceedings Volume PC12889, PC128890V (2024) https://doi.org/10.1117/12.3002513

KEYWORDS: Optical filters, Tunable filters, Bragg gratings, Silicon photonics, Telecommunications, Silicon, Quantum optics applications, Quantum optics, Optical gratings, Modulation

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Proceedings Article | 13 March 2024 Presentation

Presentation

Advanced optical antenna and optical phased array designs

Jianhao Zhang, Shahrzad Khajavi, Daniele Melati, Winnie Ye, Pavel Cheben, Jens Schmid

Proceedings Volume PC12889, PC128890W (2024) https://doi.org/10.1117/12.3002742

KEYWORDS: Phased array optics, Optical antennas, Optical design, Silicon

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Proceedings Article | 13 March 2024 Presentation

Presentation

Recent advances in integrated photonics with subwavelength and resonant metamaterials

Jens Schmid, Pavel Cheben, Jianhao Zhang, Maziyar Milanizadeh, Saad Bin-Alam, Dan-Xia Xu, Ross Cheriton, Martin Vachon, Shurui Wang, Rubin Ma, William Fraser, Shahrzad Khajavi, Winnie Ye, Pablo Ginel Moreno, Jose-Manuel Luque-González, Alejandro Fernández Hinestrosa, Alejandro Sanchez-Postigo, Robert Halir, Gonzalo Wanguemert-Perez, Alejandro Ortega-Monux, Inigo Molina-Fernández, Zindine Mokkedem, Daniele Melati, Carlos Alonso-Ramos, Laurent Vivien, Radovan Korcek, Daniel Benedikovic, Cameron Naraine, Jonathan Bradley, Yunus Sirmaci, Isabelle Staude

Proceedings Volume PC12889, PC128890M (2024) https://doi.org/10.1117/12.3000757

KEYWORDS: Quantum metamaterials, Photonic metamaterials, Integrated photonics, Quantum optics applications, Optical metamaterials, Industrial applications, Waveguides, Tunable filters, Silicon photonics, Quantum technology applications

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Proceedings Article | 12 March 2024 Presentation + Paper

Presentation + Paper

Subwavelength gratings engineered 90-degree optical hybrid for coherent detection

Minu Sunny, Winnie Ye

Proceedings Volume 12889, 128890G (2024) https://doi.org/10.1117/12.3001938

KEYWORDS: Hybrid optics, Brain-machine interfaces, Optical gratings, Optical coherence, Silicon, Waveguides, Multimode interference devices, Tolerancing, Optical transmission, Optical engineering

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Proceedings Article | 12 March 2024 Presentation + Paper

Presentation + Paper

High-efficiency off-chip grating couplers for silicon nitride photonics

Radovan Korček, William Fraser, Quentin Wilmart, David Medina Quiroz, Jan Litvik, Lukáš Žúbor, Tomáš Krehel, Samson Edmond, Maziyar Milanizadeh, Jens Schmid, Pavel Cheben, Winnie Ye, Laurent Vivien, Carlos Alonso-Ramos, Daniel Benedikovic

Proceedings Volume 12889, 1288909 (2024) https://doi.org/10.1117/12.3002214

KEYWORDS: Optical gratings, Silicon, Silicon nitride, Optical surfaces, Optical fibers, Waveguides, Quantum photonics, Polarization gratings, Integrated photonics, Design

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Proceedings Article | 12 March 2024 Presentation + Paper

Presentation + Paper

Design of subwavelength-engineered surface grating couplers on a hybrid α-Si/SiN photonic platform

William Fraser, Daniel Benedikovic, Radovan Korcek, Maziyar Milanizadeh, Jens Schmid, Pavel Cheben, Winnie Ye

Proceedings Volume 12889, 128890F (2024) https://doi.org/10.1117/12.3001539

KEYWORDS: Optical gratings, Silicon nitride, Design, Apodization, Waveguides, Optical fibers, Finite-difference time-domain method, Amorphous silicon, Photonic integrated circuits, Diffraction gratings

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Proceedings Article | 31 May 2023 Presentation + Paper

Presentation + Paper

Silicon-based surface gratings for efficient fiber-chip and free-space beam coupling

Daniel Benedikovic, William Fraser, Radovan Korcek, Xiaochen Xin, Yousef Karimi Yonjali, Carlos Alonso-Ramos, Laurent Vivien, Pavel Cheben, Jens Schmid, Maziyar Milanizadeh, Tom Smy, Ahmad Atieh, Winnie Ye

Proceedings Volume 12575, 1257507 (2023) https://doi.org/10.1117/12.2665440

KEYWORDS: Silicon nitride, Silicon, Optical gratings, Waveguides, Phased array optics, Silicon photonics, Photonic metamaterials, Optical antennas, Integrated photonics, Antennas

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Silicon photonics has established itself as a key integration platform, leveraging high-quality materials and large-scale manufacturing using mastered toolsets of complementary metal-oxide-semiconductor (CMOS) foundries. Chip-scale photonics offer unique promises for dense integration of versatile optical functions through compact and high-performance building blocks. Integrated photonics is now competing technology for many applications, spanning from telecom/datacom and interconnects up to quantum sciences and light detection and ranging (LIDAR) systems, among others. However, the lack of low-loss input/output chip interfaces can be prohibitive to successfully deploy multi-diverse device applications. Low coupling loss is essential in reducing overall power budget in photonic systems, impacting on-chip integration level. The light coupling from an off-chip environment into the planar waveguide platforms has always been a challenging research problem since the early years of integrated photonics. Optical interfaces formed on a photonic chip surface, rather than implemented on a chip edge, have been widely used to access photonic circuits with optical fibers or enabling free-space coupling of light beams. Surface gratings can be positioned at arbitrary locations and/or arranged in pre-defined patterns on the chip, facilitating wafer-scale testing and optical packaging. In this work, we present our recent progress in the development of silicon-based surface gratings for use in fiber-to-chip and free-space beam coupling. In particular, we discuss prospective design approaches to develop low-loss surface grating couplers implemented on silicon-on-insulator (SOI), silicon nitride (SiN), and hybrid silicon-silicon nitride (Si-SiN) platforms, allowing to approach a coupling loss below -1 dB. Among these, we also cover contemporary advances in compact silicon metamaterial nano-antennas for dense optical phased arrays, obtaining high a diffraction performance (> 90%) and wideband operation (> 200 nm) simultaneously.

Proceedings Article | 17 March 2023 Presentation + Paper

Presentation + Paper

Array design using rotational symmetry for high performance optical phased arrays

Ilyas Kandid, Winnie Ye

Proceedings Volume 12425, 124250B (2023) https://doi.org/10.1117/12.2650953

KEYWORDS: Design and modelling, Phased array optics, Beam steering, LIDAR, Silicon photonics, Sensing systems

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Proceedings Article | 17 March 2023 Paper

Paper

Optimization and modeling for optical phased array

Lei Yuan, Winnie Ye

Proceedings Volume 12425, 124250K (2023) https://doi.org/10.1117/12.2650728

KEYWORDS: Phased arrays, Antennas, Phase distribution, Design and modelling, Phased array optics, Genetic algorithms, Mathematical optimization, LIDAR

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Proceedings Article | 17 March 2023 Poster + Paper

Poster + Paper

Fresnel zone plate metalens using silicon subwavelength gratings

William Fraser, Winnie Ye

Proceedings Volume 12424, 124241C (2023) https://doi.org/10.1117/12.2650701

KEYWORDS: Design and modelling, Zone plates, Silicon, Near field, Metalenses, Optical gratings, Polarization, Phase distribution

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Proceedings Article | 17 March 2023 Poster + Paper

Poster + Paper

Silicon-based polarization-insensitive optical antennas

Xiaochen Xin, Daniel Benedikovic, Winnie Ye

Proceedings Volume 12424, 124240W (2023) https://doi.org/10.1117/12.2646565

KEYWORDS: Antennas, Polarization gratings, Silicon, Polarization, Optical gratings, Diffraction gratings, Optical antennas, Design and modelling, Waveguides, Diffraction

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Proceedings Article | 17 March 2023 Presentation

Presentation

Integrated silicon photonic optical phased arrays with large beam steering and high resolution

Winnie Ye, Daniel Benedikovic, Qiankun Liu, Shahrzad Khajavi, Daniele Melati, Pavel Cheben, Tom Smy, Ahmad Atieh, Alejandro Sánchez Postigo, Jens Schmid, Dan-Xia Xu, Xiaochen Xin

Proceedings Volume PC12425, PC124250G (2023) https://doi.org/10.1117/12.2650465

KEYWORDS: Beam steering, Phased array optics, Silicon photonics, LIDAR, Silicon, Optical components, Chemical elements, Unmanned vehicles, Solid state physics, Satellite communications

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Proceedings Article | 17 March 2023 Presentation

Presentation

Subwavelength metamaterial devices with optimization and machine learning

Daniele Melati, Zindine Mokeddem, Paula Nuño-Ruano, Eric Cassan, Delphine Marris-Morini, Laurent Vivien, Carlos Alonso-Ramos, Yuri Grinberg, Muhammad Al-Digeil, Dan-Xia Xu, Maziyar Milanizadeh, Jianhao Zhang, Jens Schmid, Pavel Cheben, Shahrzad Khajavi, Winnie Ye, Abi Waqas, Paolo Manfredi

Proceedings Volume PC12425, PC1242509 (2023) https://doi.org/10.1117/12.2649953

KEYWORDS: Metamaterials, Machine learning, Control systems, Waveguides, Tolerancing, Silicon photonics, Silicon, Photonics systems, Photonics, Photonic devices

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Proceedings Article | 17 March 2023 Presentation

Presentation

Design and analysis of on-chip optical phase array systems for satellite communications

Hugh Podmore, Akash Chauhan, Brett Poulsen, Michael Zylstra, Xiaochen Xin, Mackenzie Essington, Ahmed Elsharabasy, M. Ruhul Fatin, Nicholas Zonta, Greg Iu, Alan Scott, Tamara Djokic, Jayshri Sabarinathan, Winnie Ye, Amr Helmy, Regina Lee

Proceedings Volume PC12425, PC124250H (2023) https://doi.org/10.1117/12.2657144

KEYWORDS: Satellite communications, Optical arrays, Telecommunications, Satellites, Free space optics, Optical components, Optical communications, Free space optical communications, Control systems, Chemical elements

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Proceedings Article | 5 March 2022 Presentation + Paper

Presentation + Paper

Subwavelength-engineered metamaterial devices for integrated photonics

A. Sánchez Postigo, P. Ginel-Moreno, D. Pereira-Martin, A. Hadij-El Houati, J. M. Luque-González, C. Pérez-Armenta, J. G. Wangüemert-Pérez, A. Ortega-Moñux, R. Halir, J. H. Schmid, J. Soler Penadés, M. Nedeljkovic, W. Ye, G. Mashanovich, P. Cheben, I. Molina-Fernández

Proceedings Volume 12005, 120050A (2022) https://doi.org/10.1117/12.2607147

KEYWORDS: Waveguides, Silicon, Metamaterials, Optical antennas, Optical filters, Wave propagation, Polarization, Demultiplexers, Mid-IR, Bragg gratings, Optical filter design

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Proceedings Article | 5 March 2022 Presentation

Presentation

Dimensionality reduction and optimization for the inverse design of photonic integrated devices

Daniele Melati, Mohsen Kamandar Dezfouli, Yuri Grinberg, Muhammad Al-Digeil, Dan-Xia Xu, Jens Schmid, Pavel Cheben, Abi Waqas, Paolo Manfredi, Shahrzad Khajavi, Winnie Ye, Paula Nuño-Ruano, Jianhao Zhang, Eric Cassan, Delphine Marris-Morini, Laurent Vivien, Carlos Alonso-Ramos

Proceedings Volume PC12005, PC120050D (2022) https://doi.org/10.1117/12.2617543

KEYWORDS: Photonic devices, Metamaterials, Machine learning

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Proceedings Article | 26 February 2020 Presentation + Paper

Presentation + Paper

A comparison of microresonator devices for WDM-compatible mode-division multiplexing

Dusan Gostimirovic, Winnie Ye

Proceedings Volume 11284, 112841E (2020) https://doi.org/10.1117/12.2550744

KEYWORDS: Microrings, Waveguides, Resonators, Multiplexing, Modulators, Wavelength division multiplexing, Refractive index, Microresonators, Optical communications, Silicon

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Proceedings Article | 4 March 2019 Paper

Paper

Novel spot-size converter for broadband and polarization insensitive coupling to conventional single-mode fiber

Niharika Kohli, Winnie Ye

Proceedings Volume 10923, 109231S (2019) https://doi.org/10.1117/12.2510377

KEYWORDS: Single mode fibers, Silicon, Polarization, Waveguides, Nanowires, Birefringence, Packaging, Tolerancing, Integrated optical circuits, Optical fibers

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Proceedings Article | 4 March 2019 Presentation + Paper

Presentation + Paper

Monolithic integration of opto-electronics by silicon photonics foundry service

Shuxia Li, N. Garry Tarr, Winnie Ye

Proceedings Volume 10922, 1092217 (2019) https://doi.org/10.1117/12.2510477

KEYWORDS: Germanium, Waveguides, Photodiodes, Silicon photonics, Field effect transistors, Optoelectronics, Photodetectors, Optical amplifiers, Modulators

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Proceedings Article | 4 March 2019 Paper

Paper

Broadband SOI grating coupler based on sub-wavelength gratings with low back reflection for fiber-to-chip coupling of DWDM signals

Neha Purwaha, Cem Bonfil, Ahmad Atieh, Sahar Sargheini, Winnie Ye

Proceedings Volume 10921, 1092129 (2019) https://doi.org/10.1117/12.2510384

KEYWORDS: Dense wavelength division multiplexing, Photonic integrated circuits, Resonators, Waveguides, Demultiplexers, Silicon, Fiber couplers, Telecommunications, Integrated optics, Diffraction gratings

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Proceedings Article | 4 March 2019 Paper

Paper

Ge-rich SiGe-based wideband polarization insensitive photonic platform for mid-infrared free-space communications

Vladyslav Vakarin, Joan Manel Ramírez, Jacopo Frigerio, Qiankun Liu, Andrea Ballabio, Xavier Le Roux, Carlos Alonso-Ramos, Giovanni Isella, Laurent Vivien, Pavel Cheben, Winnie Ye, Delphine Marris-Morini

Proceedings Volume 10923, 109230Y (2019) https://doi.org/10.1117/12.2508875

KEYWORDS: Polarization, Waveguides, Mid-IR, Birefringence, Silicon, Germanium

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Proceedings Article | 22 February 2018 Paper

Paper

Monolithic integration of SOI waveguide photodetectors and transimpedance amplifiers

Shuxia Li, N. Garry Tarr, Winnie Ye

Proceedings Volume 10537, 105371M (2018) https://doi.org/10.1117/12.2290395

KEYWORDS: Field effect transistors, Waveguides, Optical amplifiers, Silicon photonics, Silicon, Photodetectors, Electronics, Photonics, CMOS technology

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Proceedings Article | 20 February 2017 Presentation + Paper

Presentation + Paper

CMOS-compatible optical AND, OR, and XOR gates using voltage-induced free-carrier dispersion and stimulated Raman scattering

Dusan Gostimirovic, Winnie Ye

Proceedings Volume 10108, 101080Q (2017) https://doi.org/10.1117/12.2251616

KEYWORDS: Raman scattering, Switching, Silicon photonics, Resonators, Nonlinear optics, Optical logic, Microrings, Raman spectroscopy, Silicon, Switches, Waveguides, Signal attenuation

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Proceedings Article | 14 March 2016 Paper

Paper

CMOS-compatible polarization rotator design based on asymmetrical periodic loaded waveguide structure

Yao Sun, Winnie Ye

Proceedings Volume 9752, 97520A (2016) https://doi.org/10.1117/12.2211659

KEYWORDS: Polarization, Waveguides, Etching, Cladding, Scanning electron microscopy, Device simulation, Silica, Birefringence

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Proceedings Article | 14 March 2016 Paper

Paper

Ultrafast all-optical arithmetic logic based on hydrogenated amorphous silicon microring resonators

Dusan Gostimirovic, Winnie Ye

Proceedings Volume 9752, 97520X (2016) https://doi.org/10.1117/12.2211038

KEYWORDS: Logic, Microrings, Resonators, Kerr effect, Silicon, Amorphous silicon, Silicon photonics, Switching, Refractive index, Waveguides, Transistors

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Proceedings Article | 7 March 2016 Paper

Paper

Transcranial light-tissue interaction analysis

Kavleen Aulakh, Scott Zakaib, William Willmore, Winnie Ye

Proceedings Volume 9706, 97061B (2016) https://doi.org/10.1117/12.2212831

KEYWORDS: Data modeling, Electronics, Photonic devices, In vivo imaging, Transmittance, Absorbance, Absorption, Head, Skull, Analytical research

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Proceedings Article | 1 May 2015 Paper

Paper

Fiber-chip edge coupler with large mode size for silicon photonic wire waveguides

Martin Papes, Pavel Cheben, Winnie Ye, Jens Schmid, Dan-Xia Xu, Siegfried Janz, Daniel Benedikovic, Carlos Ramos, Robert Halir, Alejandro Ortega-Moñux, André Delâge, Vladimír Vašinek

Proceedings Volume 9516, 95160K (2015) https://doi.org/10.1117/12.2181547

KEYWORDS: Waveguides, Optical fibers, Silicon, Cladding, Silica, Fiber couplers, Refractive index, Silicon photonics, Polarization, Integrated optics

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Proceedings Article | 8 March 2014 Paper

Paper

Silicon Mach-Zehnder interferometer racetrack microring for sensing

Yule Xiong, Winnie Ye

Proceedings Volume 8990, 89901H (2014) https://doi.org/10.1117/12.2037405

KEYWORDS: Microrings, Waveguides, Sensors, Refractive index, Silicon, Brain-machine interfaces, Resonators, Mach-Zehnder interferometers, Structural design, Biomedical optics

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SOI-based microring resonators (MRRs) have attracted extensive attentions as ultra-compact sensors. Recently, a new structure design combining a ring and a Mach-Zehnder interferometer (MZI) was proposed as sensors for biomedical applications, and as modulators for communications applications. In this design, the MZI uses two identical couplers, where one arm is formed by connecting the access waveguide of the couplers, while the other arm is part of the microring. Such a device may have only one major resonance with a high extinction ratio in a very broad wavelength span (quasi-free spectral range, quasi-FSR), which offers a very large measurement range for sensing applications. 2×2 multimode interference (MMI) couplers are used to couple the microring and the bus waveguides as MMI couplers have broader wavelength responses. We present the first experimental demonstration of the MMI-coupled MZI racetrack microrings for sensing applications. Two types of MMI-coupled MZI racetrack microrings are discussed: one with wire waveguides, and the other using slotted waveguides. For the MZI racetrack microring using wire waveguides, we achieve a quasi-FSR of 34.3 nm near the wavelength of 1520 nm. The corresponding major resonance of the MZI racetrack microring demonstrates a high extinction ratio of ~22.4 dB with a full-width-half-maximum (FWHM) of 1.94 nm, and a quality factor Q of ~800. On the other hand, the quasi-FSR of the MZI racetrack microring with slot waveguides is 23.2 nm near the wavelength of 1540 nm; and the extinction ratio of the major resonance is ~24.5 dB with λ_FWHM=0.82 nm and Q=~1,900. To demonstrate the uses for sensing applications, we measure the resonance shifts corresponding to the concentration change of the ambient aqueous solutions of sucrose. DI water is used as the reference for calibration to avoid any other variations, e.g. temperature change. Experiments show that the sensitivities of the MZI racetrack microring sensors with wire and slot waveguides are 101.7 nm/RIU and 166.7 nm/RIU, respectively.

Proceedings Article | 7 March 2014 Paper

Paper

Silicon solar cell enhancement by plasmonic silver nanocubes

R. Veenkamp, S. Ding, I. Smith, W. Ye

Proceedings Volume 8981, 89811B (2014) https://doi.org/10.1117/12.2038649

KEYWORDS: Solar cells, Silver, Silica, Absorption, Light scattering, Scattering, Amorphous silicon, Particles, Plasmonics, Nanoparticles

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Proceedings Article | 11 October 2013 Paper

Paper

Large-scale wavelength and polarization insensitive optical switch on SOI from 1260 nm to 1360 nm

Bryce Dorin, Dominic Goodwill, Eric Bernier, Winnie Ye

Proceedings Volume 8915, 89150T (2013) https://doi.org/10.1117/12.2037895

KEYWORDS: Polarization, Waveguides, Switches, Optical switching, Switching, Transmittance, Silicon, Birefringence, Directional couplers, Phase shifts

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Proceedings Article | 25 March 2013 Paper

Paper

Improving photovoltaic devices using silver nanocubes

F. Hejazi, S. Ding, Y. Sun, A. Bottomley, A. Ianoul, W. Ye

Proceedings Volume 8620, 862004 (2013) https://doi.org/10.1117/12.2002024

KEYWORDS: Solar cells, Nanoparticles, Silver, Plasmonics, Particles, Spherical lenses, Silicon, Photovoltaics, Metals, Amorphous silicon

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Proceedings Article | 14 March 2013 Paper

Paper

All-optical single resonance control using a silicon-based ring-assisted Mach-Zehnder interferometer

Yule Xiong, Winnie Ye

Proceedings Volume 8629, 86291D (2013) https://doi.org/10.1117/12.2000995

KEYWORDS: Resonators, Signal attenuation, Silicon, Modulation, Switches, Switching, Mach-Zehnder interferometers, Raman scattering, Phase shifts, Waveguides

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Proceedings Article | 24 October 2012 Paper

Paper

Overview of photo-induced therapy for ATP production

Mohamed Abdalla, A. Nagy, W. Ye, T. Mussivand

Proceedings Volume 8412, 841206 (2012) https://doi.org/10.1117/12.2001464

KEYWORDS: Acquisition tracking and pointing, Near infrared, Laser therapeutics, Semiconductor lasers, Laser tissue interaction, Pulsed laser operation, Visible radiation, Molecules, Tissues, Continuous wave operation

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Proceedings Article | 24 October 2012 Paper

Paper

Temperature-independent silicon waveguides comprising bridged subwavelength gratings

M. Ibrahim, A. Aleali, J. Schmid, P. Cheben, J. Lapointe, S. Janz, P. Bock, A. Densmore, B. Lamontagne, R. Ma, D.-X. Xu, W. Ye

Proceedings Volume 8412, 84120Z (2012) https://doi.org/10.1117/12.2001480

KEYWORDS: Waveguides, Silicon, Bridges, Wave propagation, Polarization, Thermal optics, Refractive index, Photonics, Silicon photonics, Temperature metrology

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Proceedings Article | 24 October 2012 Paper

Paper

Design of plasmonic enhanced silicon-based solar cells

F. Hejazi, S. Y. Ding, Y. Sun, A. Bottomley, A. Ianoul, W. Ye

Proceedings Volume 8412, 84121L (2012) https://doi.org/10.1117/12.2006549

KEYWORDS: Solar cells, Nanoparticles, Silicon, Spherical lenses, Silver, Plasmonics, Light scattering, Amorphous silicon, Particles, Thin film solar cells

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Proceedings Article | 2 February 2012 Paper

Paper

Temperature-independent vertically coupled double-ring sensor

Yule Xiong, Winnie Ye

Proceedings Volume 8266, 826603 (2012) https://doi.org/10.1117/12.908902

KEYWORDS: Resonators, Waveguides, Silicon, Biosensors, Temperature metrology, Cladding, Sensors, Lithography, Thermal sensing, Optical biosensors

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Proceedings Article | 2 February 2012 Paper

Paper

Low-loss photonic wires defined by local oxidation of silicon (LOCOS)

Yule Xiong, Marc Ibrahim, Winnie Ye

Proceedings Volume 8265, 82650D (2012) https://doi.org/10.1117/12.908862

KEYWORDS: Waveguides, Silicon, Wave propagation, Optical lithography, Refractive index, Oxides, Scattering, Silicon photonics, Photomasks, Oxidation

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Proceedings Article | 8 September 2011 Paper

Paper

Vertically coupled Si-based athermal double-ring biosensor

Yule Xiong, Winnie Ye

Proceedings Volume 8007, 80070V (2011) https://doi.org/10.1117/12.905392

KEYWORDS: Waveguides, Resonators, Biosensors, Silicon, Cladding, Electron beam lithography, Temperature metrology, Silica, Sensors, Lithography

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Proceedings Article | 8 September 2011 Paper

Paper

Athermal silicon subwavelength grating waveguides

M. Ibrahim, J. Schmid, P. Cheben, J. Lapointe, S. Janz, P. Bock, A. Densmore, B. Lamontagne, R. Ma, D.-X. Xu, W. Ye

Proceedings Volume 8007, 80071L (2011) https://doi.org/10.1117/12.905685

KEYWORDS: Waveguides, Silicon, Polarization, Thermal optics, Polymers, Polymer multimode waveguides, Numerical simulations, Refractive index, Diffraction gratings, Silicon photonics

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Proceedings Article | 18 August 2010 Paper

Paper

Silicon nitride light pipes for image sensors

Turgut Tut, Peter Duane, Winnie Ye, Munib Wober, Kenneth Crozier

Proceedings Volume 7780, 77800W (2010) https://doi.org/10.1117/12.860777

KEYWORDS: Silicon, Etching, Semiconducting wafers, Photodiodes, Photodetectors, Silica, Reactive ion etching, Plasma, Photomasks, Image sensors

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Proceedings Article | 16 February 2010 Paper

Paper

Fabrication techniques of high aspect ratio vertical lightpipes using a dielectric photomask

Winnie Ye, Peter Duane, Munib Wober, Kenneth Crozier

Proceedings Volume 7591, 75910D (2010) https://doi.org/10.1117/12.840725

KEYWORDS: Etching, Photomasks, Dielectrics, Silicon, Photoresist materials, Scanning electron microscopy, Silica, Amorphous silicon, Oxides, Reactive ion etching

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Proceedings Article | 12 February 2008 Paper

Paper

Polymer-cladded athermal high-index-contrast waveguides

Winnie Ye, Jurgen Michel, Lionel Kimerling, Louay Eldada

Proceedings Volume 6897, 68970S (2008) https://doi.org/10.1117/12.789478

KEYWORDS: Waveguides, Polymers, Cladding, Silicon, Polymer multimode waveguides, Channel waveguides, Silica, Thermal optics, Refractive index, Temperature metrology

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Proceedings Article | 9 February 2007 Paper

Paper

Broadband silicon-on-insulator passive polarization splitters

Winnie Ye, Dan-Xia Xu, Siegfried Janz, Philip Waldron, N. Garry Tar

Proceedings Volume 6477, 64770G (2007) https://doi.org/10.1117/12.701279

KEYWORDS: Polarization, Waveguides, Cladding, Oxides, Silicon, Birefringence, Brain-machine interfaces, Phase shifts, Mach-Zehnder interferometers, Silicon films

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Proceedings Article | 9 February 2007 Paper

Paper

Polarization-insensitive MMI-coupled ring resonators in silicon-on-insulator using cladding stress engineering

Dan-Xia Xu, Pavel Cheben, Andre Delâge, Siegfried Janz, Boris Lamontagne, Edith Post, Winnie Ye

Proceedings Volume 6477, 64770D (2007) https://doi.org/10.1117/12.701997

KEYWORDS: Waveguides, Resonators, Polarization, Brain-machine interfaces, Cladding, Birefringence, Oxides, Silicon, Etching, Directional couplers

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Proceedings Article | 7 March 2005 Paper

Paper

Design of polarization-insensitive components using geometrical and stress-induced birefringence in SOI waveguides

Dan-Xia Xu, Winnie Ye, Alexei Bogdanov, Dan Dalacu, Andre Delage, Pavel Cheben, Siegfried Janz, Boris Lamontagne, Marie-Josee Picard

Proceedings Volume 5730, (2005) https://doi.org/10.1117/12.589158

KEYWORDS: Waveguides, Birefringence, Cladding, Oxides, Silicon, Etching, Polarization, Wave propagation, Refractive index, Solids

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We review the use of the oxide cladding stress induced photoelastic effect to eliminate the modal birefringence in silicon-on-insulator (SOI) ridge waveguide components, and highlight characteristics particular to high index contrast (HIC) systems. The birefringence in planar waveguides has its origin in the electromagnetic boundary conditions at the waveguide boundaries, and can be further modified by the presence of stress in the materials. It is shown that geometrical constraints imposed by different design and fabrication considerations become increasingly difficult to satisfy with decreasing core sizes. On the other hand, with typical stress levels of -100 MPa to -400 MPa (compressive) in SiO₂ used as the upper cladding, the effective indices are altered up to the order of 10^-3 for ridges with heights ranging from 1 μm to 5 μm. We demonstrate that the stress can be effectively used to balance the geometrical birefringence. Birefringence-free operation is achieved for waveguides with otherwise large birefringence by using properly chosen thickness and stress of the upper cladding layer. This allows the waveguide cross-section profiles to be optimized for design criteria other than zero-birefringence. Since the index changes induced by the stress are orders of magnitude smaller than the waveguide core/cladding index contrast, changes in the mode profiles are insignificant and the associated mode mismatch loss is negligible. We study the stress-induced effects in two parallel waveguides of varying spacing, to emulate the condition in directional couplers and ring-resonators. In the arrayed waveguide grating (AWG) demultiplexers fabricated in the SOI platform, we demonstrated the reduction of the birefringence from 1.3x10^-3 (without the upper cladding) to below 1x10^-4 across the spectral band by using a 0.6 μm oxide upper cladding with a stress of -320 MPa (compressive). Design options for relaxed dimensional tolerance and improved coupler performance made available by using stress engineering are discussed.

Proceedings Article | 1 July 2004 Paper

Paper

Stress-induced birefringence in silicon-on-insulator (SOI) waveguides

Winnie Ye, Dan-Xia Xu, Siegfried Janz, Pavel Cheben, Andre Delage, Marie-Josee Picard, Boris Lamontagne, N. Garry Tarr

Proceedings Volume 5357, (2004) https://doi.org/10.1117/12.529602

KEYWORDS: Waveguides, Birefringence, Cladding, Silicon, Oxides, Polarization, Etching, Photoelasticity, Demultiplexers, Tolerancing

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Conference Committee Involvement (14)

Silicon Photonics XX

28 January 2025 | San Francisco, California, United States

Integrated Optics: Devices, Materials, and Technologies XXIX

27 January 2025 | San Francisco, California, United States

Integrated Optics: Devices, Materials, and Technologies XXVIII

29 January 2024 | San Francisco, California, United States

Silicon Photonics XIX

29 January 2024 | San Francisco, California, United States

Integrated Optics: Devices, Materials, and Technologies XXVII

30 January 2023 | San Francisco, California, United States

Showing 5 of 14 Conference Committees

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