Article
Optics
Zequn Chen, Maoliang Wei, Boshu Sun, Yang Weng, Jialing Jian, Chuyu Zhong, Chunlei Sun, Ke Si, Wei Gong, Hongtao Lin, Lan Li
Summary: This paper presents the first demonstration of flexible titanium oxide thermo-optic switches based on a Mach-Zehnder interferometer structure. The flexible switches show low insertion loss and power consumption, and exhibit excellent mechanical stability, making them promising for future flexible optoelectronic systems.
Article
Engineering, Electrical & Electronic
Themistoklis Chrysostomidis, Ioannis Roumpos, Konstantinos Fotiadis, Jinfeng Mu, Athanasios Manolis, Christos Vagionas, Meindert Dijkstra, Sonia Garcia Blanco, Theonitsa Alexoudi, Konstantinos Vyrsokinos
Summary: This paper presents a comprehensive study on the high-speed wavelength-division multiplexing (WDM) transmission capabilities of a monolithically integrated Al2O3:Er3+ spiral waveguide amplifier. The results demonstrate high-performance transmission at different data rates and without the need for digital signal processing (DSP) applied on the transmitter or receiver side.
JOURNAL OF LIGHTWAVE TECHNOLOGY
(2022)
Article
Engineering, Electrical & Electronic
Maxim Neradovskiy, Herve Tronche, Dmitry Chezganov, Elena Pashnina, Evgeniy Vlasov, Pascal Baldi, Tommaso Lunghi, Vladimir Shur, Florent Doutre, Marc De Micheli
Summary: This paper proposes an alternative technique based on the characterization of the second harmonic generation signature of a nonlinear waveguide, which can be used to study the refractive index profile of waveguides, including the high-order spatial modes, which are important for probing the distribution of waveguides.
JOURNAL OF LIGHTWAVE TECHNOLOGY
(2021)
Article
Materials Science, Multidisciplinary
Mohammad Reza Alizadeh, Mahmood Seifouri, Saeed Olyaee
Summary: This article presents a novel approach to achieve a highly compact Si3N4 photonic crystal waveguide by incorporating air holes. The structure is developed for generating optical frequency combs and demultiplexing them simultaneously.
RESULTS IN PHYSICS
(2023)
Article
Optics
Abhai Kumar, Siddharth Nambiar, Rakshitha Kallega, Praveen Ranganath, Priya Ea, Shankar Kumar Selvaraja
Summary: Polymer photonic circuits provide a versatile platform for various applications, and a wafer-scale vertical coupling scheme for polymer waveguides has been proposed and demonstrated successfully. The scheme showcases a scalable and efficient surface grating approach, suitable for polymer photonic integrated circuits.
Article
Engineering, Electrical & Electronic
Anat Demeter-Finzi, Shlomo Ruschin
Summary: The new waveguided-sensing configuration combines the advantages of two-wave interference and multiple-wave interference in a single sensing device. The sensor's enhanced sensitivity is achieved by optimizing fabrication parameters to produce a variety of transmission characteristic curves through the superposition of two outcoming signals. The sensor's performance is analyzed using a simple scattering matrix model and confirmed through full FDTD simulations.
IEEE SENSORS JOURNAL
(2021)
Article
Optics
Shun Yajima, Nobuhiko Nishiyama, Yuya Shoji
Summary: This article demonstrates a magneto-optical switch that responds to signals with a rise time of 200 ps. The switch utilizes a current-induced magnetic field to modulate the magneto-optical effect. Impedance-matching electrodes were designed to apply high-frequency current and accommodate high-speed switching. A static magnetic field generated by a permanent magnet is applied orthogonal to the current-induced fields, acting as a torque to assist in high-speed magnetization reversal.
Article
Engineering, Electrical & Electronic
Tao Chen, Zhangqi Dang, Zexu Liu, Zhenming Ding, Zhifang Yang, Xiaodong Zhang, Xinhong Jiang, Ziyang Zhang
Summary: A multiport thermo-optic switch based on parallel polymer waveguides and microheater array is proposed, enabling operations for Up Transfer, Isolation, and Down Transfer. By introducing refractive index perturbation and using microheaters, conditions in the waveguides can be switched locally, steering light into different paths. Experimental demonstration of a 1 x 5 switch operation was achieved.
IEEE PHOTONICS TECHNOLOGY LETTERS
(2021)
Article
Optics
Dong-hui Fan, Xing-yu Zhang, Wei-jun Zhang, Ruo-yan Ma, Jia-min Xiong, Yu-ze Wang, Zhi-gang Chen, Zhen Wang, Li-xing You
Summary: We propose a method to couple a tapered optical fiber to an inverted tapered SiN waveguide using 3D nanoprinting lithography to fabricate a microfiber. The microfiber, composed of high-refractive-index material, consists of a tapered cladding cap, an S-bend, and a straight part. The simulation shows that our design achieves high coupling efficiency and a wide bandwidth at a specific wavelength.
Article
Optics
Rahul K. Dash, Shankar Kumar Selvaraja
Summary: We propose and demonstrate a hybrid waveguide platform using layered amorphous silicon and silicon nitride. The waveguide offers more design flexibility and polarization-dependent light confinement in the layers. We present detailed waveguide design and analysis of efficient fiber-chip grating couplers, and demonstrate the excitation of TE and TM modes exploiting the polarization-dependent confinement.
OPTICS COMMUNICATIONS
(2024)
Article
Engineering, Electrical & Electronic
Youngseok Chung, Manjung Cho, Hansang Lim
Summary: This paper proposes a ringing suppression system to alleviate signal distortion in a controller area network with flexible data rate (CAN-FD) network. The system matches impedance at two mismatch locations and is verified to reduce ringing and support reliable CAN-FD communication.
IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY
(2022)
Article
Engineering, Electrical & Electronic
Sheelu Kumari, Vibha Rani Gupta, Shweta Srivastava
Summary: This paper presents a novel feeding technique using transitions between microstrip-line segments and folded substrate integrated waveguides (FSIW), demonstrating low insertion loss over wide frequency bands. The concept of simultaneous transformation in mode and impedance through precise design of transitions is explained and applied to FSIW transmission lines operating from C to K band frequencies. The designed structures are simulated and tested in Ku band, showing good agreement between measured and simulated results. Dimensions of transitions for FSIWs operating in other frequency bands are also provided.
AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS
(2021)
Article
Engineering, Electrical & Electronic
Hai Wang, Xue Lei, Tian-dong Duan, Tian-peng Li, Ming-yang Zhao, Jun Gao, Pan Lu
Summary: A circularly polarized waveguide aperture antenna with a wide axial ratio bandwidth is designed by superimposing orthogonal electric fields with a phase difference of 90 degrees and an amplitude difference of less than 1.2 dB.
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS
(2022)
Article
Optics
Jiaxin Chen, Jinzhao Wang, Jiewen Li, Yong Yao, Yunxu Sun, Jiajun Tian, Yi Zou, Xiangjie Zhao, Xiaochuan Xu
Summary: To address the limitations of current silicon photonics based optical phased arrays, researchers have proposed an ultra-long waveguide grating antenna utilizing subwavelength segments to achieve small beam divergence and large field-of-view. By leveraging the bound state in the continuum effect, sidewall emission is effectively suppressed. This concept was theoretically demonstrated with a millimeter-long through-etched waveguide grating antenna that has compatible feature sizes with existing silicon photonics foundries.
Article
Engineering, Electrical & Electronic
Shui Liu, Feng Xu, Senshen Deng, Ling Yang, Jingxia Qiang, Min Li
Summary: This paper presents an ultra-compact broad wall coupler based on slow-wave half-mode substrate integrated waveguide (SW-HMSIW). The E-plane coupling between different layers of circuits under slow-wave effect is studied for the first time. The slow-wave construction is realized by complementary split ring resonator (CSRR) loaded HMSIW. Simulated results are in good agreement with measured data.
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS
(2022)
Article
Optics
Hong Cai, Christopher M. Long, Christopher T. DeRose, Nicholas Boynton, Junji Urayama, Ryan Camacho, Andrew Pomerene, Andrew L. Starbuck, Douglas C. Trotter, Paul S. Davids, Anthony L. Lentine
Article
Optics
Nicholas J. D. Martinez, Michael Gehl, Christopher T. Derose, Andrew L. Starbuck, Andrew T. Pomerene, Anthony L. Lentine, Douglas C. Trotter, Paul S. Davids
Article
Optics
Soha Namnabat, Kyung-Jo Kim, Adam Jones, Roland Himmelhuber, Christopher T. DeRose, Douglas C. Trotter, Andrew L. Starbuck, Andrew Pomerene, Anthony L. Lentine, Robert A. Norwood
Article
Optics
S. Liu, H. Cai, C. T. DeRose, P. Davids, A. Pomerene, A. L. Starbuck, D. C. Trotter, R. Camacho, J. Urayama, A. Lentine
Article
Optics
M. Gehl, D. Trotter, A. Starbuck, A. Pomerene, A. L. Lentine, C. DeRose
Article
Engineering, Electrical & Electronic
Aaron Michael Katzenmeyer, Hayden J. McGuinness, Andrew Starbuck, Dana Hood, Andy Pomerene, Erica Douglas, Emil Enache-Pommer, Christopher T. DeRose
IEEE PHOTONICS JOURNAL
(2017)
Article
Optics
Michael Gehl, Christopher Long, Doug Trotter, Andrew Starbuck, Andrew Pomerene, Jeremy B. Wright, Seth Melgaard, John Siirola, Anthony L. Lentine, Christopher Derose
Article
Optics
Michael Gehl, Nicholas Boynton, Christina Dallo, Andrew Pomerene, Andrew Starbuck, Dana Hood, Douglas C. Trotter, Anthony Lentine, Christopher T. DeRose
Article
Engineering, Electrical & Electronic
Nicholas Jacob D. Martinez, Christopher T. Derose, Robert Jarecki, A. L. Starbuck, Andrew T. Pomerene, Douglas C. Trotter, Anthony L. Lentine
IEEE PHOTONICS JOURNAL
(2018)
Article
Physics, Multidisciplinary
Darius Bunandar, Anthony Lentine, Catherine Lee, Hong Cai, Christopher M. Long, Nicholas Boynton, Nicholas Martinez, Christopher DeRose, Changchen Chen, Matthew Grein, Douglas Trotter, Andrew Starbuck, Andrew Pomerene, Scott Hamilton, Franco N. C. Wong, Ryan Camacho, Paul Davids, Junji Urayama, Dirk Englund
Article
Optics
Peter O. Weigel, Jie Zhao, Kelvin Fang, Hasan Al-Rubaye, Douglas Trotter, Dana Hood, John Mudrick, Christina Dallo, Andrew T. Pomerene, Andrew L. Starbuck, Christopher T. DeRose, Anthony L. Lentine, Gabriel Rebeiz, Shaman Mookherjea
Proceedings Paper
Engineering, Electrical & Electronic
Sheng Liu, Hong Cai, Christopher T. DeRose, Paul Davids, Andrew Pomerene, Andrew L. Starbuck, Douglas C. Trotter, Junji Urayama, Ryan Camacho, Anthony Lentine
2017 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO)
(2017)
Proceedings Paper
Engineering, Electrical & Electronic
M. Gehl, D. Trotter, A. Starbuck, A. Pomerene, A. L. Lentine, C. DeRose
2017 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO)
(2017)
Proceedings Paper
Engineering, Electrical & Electronic
Hong Cai, Christopher M. Long, Christopher T. DeRose, Nicholas Boynton, Junji Urayama, Andrew Pomerene, Andrew L. Starbuck, Douglas C. Trotter, Paul S. Davids, Anthony L. Lentine
2017 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO)
(2017)
Proceedings Paper
Telecommunications
Nicholas Boynton, Andrew Pomerene, Andrew Starbuck, Anthony Lentine, Christopher T. DeRose
6TH IEEE PHOTONICS SOCIETY OPTICAL INTERCONNECTS CONFERENCE (OIPTICAL INTERCONNECTS 2017)
(2017)
