Article
Engineering, Electrical & Electronic
Zhiyu Guo, Jing Jin, Xiaowei Wang, Ningfang Song, Jingming Song, Xiaobin Xu, Zuchen Zhang
Summary: This article proposes a novel three-axis interferometric fiber optic gyroscope (IFOG) with an integrated coupler chip (ICC) fabricated on the silica platform. The test results show that the ICC has weak wavelength dependence and comparatively low insertion loss at 0.85 μm wavelength. With approximately 900 m of polarization-maintaining fiber coils, the three-axis IFOG exhibits a long-term stability of <0.16 degrees/h, satisfying the requirements of tactical grade systems. The novel IFOG scheme with ICC paves the way for research on chip-scale multiaxis IFOGs.
IEEE SENSORS JOURNAL
(2023)
Article
Optics
Kejun Shang, Ming Lei, Qiang Xiang, Yonglin Na, Lizhe Zhang
Summary: This study introduces a tactical-grade interferometric fiber optic gyroscope based on an integrated optical chip, which significantly reduces size, weight, power consumption, and cost. The prototype exhibits a bias instability of 0.12 deg/h over 1000 min, showing stable performance. This is the first time a tactical-grade IFOG based on integrated optical components has been realized, excluding fiber coil.
OPTICS COMMUNICATIONS
(2021)
Article
Multidisciplinary Sciences
Rubab Amin, Rishi Maiti, Yaliang Gui, Can Suer, Mario Miscuglio, Elham Heidari, Jacob B. Khurgin, Ray T. Chen, Hamed Dalir, Volker J. Sorger
Summary: The research focuses on developing highly efficient and fast photonics devices on a silicon photonic platform using ITO thin films, successfully achieving a spectrally broadband, GHz-fast Mach-Zehnder interferometric modulator and enabling spectrally broadband operation across the entire telecommunication near infrared C-band. Such devices open up new possibilities for high-density photonic circuitry critical for high interconnect density of photonic neural networks or applications in GHz-fast optical phased-arrays.
SCIENTIFIC REPORTS
(2021)
Article
Engineering, Electrical & Electronic
Yen-Chieh Wang, Sin-Yun Lu, Tzu-Hsiang Yen, Chia-Chien Wei, Yi-Jen Chiu, Ren-Young Liu, Yung- Hung
Summary: Interferometric fiber optic gyroscope (IFOG) is a reliable solid-state technology for inertial navigation. A silicon multi-function integrated optical circuit (Si-MIOC) was demonstrated using silicon photonics technology, enabling the production of a tactical-grade gyroscope. Despite some drawbacks, the results confirmed that Si-MIOC based IFOG is a promising angular sensor for constructing a compact and low-cost inertial measurement unit.
JOURNAL OF LIGHTWAVE TECHNOLOGY
(2023)
Article
Optics
Xuan Mao, Hong Yang, Dan Long, Min Wang, Peng-Yu Wen, Yun-Qi Hu, Bo-Yang Wang, Gui-Qin Li, Jian-Cun Gao, Gui-Lu Long
Summary: The mode-matching between conventional optical components and optical mode volumes is crucial for the efficiency of chip-based micro-devices. The Sagnac effect in a millimeter-scale wedged resonator gyroscope is observed and a bidirectional pump and probe scheme is demonstrated. The linear relationship between the detected beat frequency and the rotation velocity is established.
PHOTONICS RESEARCH
(2022)
Article
Optics
Ang Li, Zhenguo Jing, Qiang Liu, Yueying Liu, Yang Cheung, Zhiyuan Huang, Da-Peng Zhou, Wei Peng
Summary: The white light interferometric fiber-optic gyroscope scheme utilizes a fiber-optic rhombic OPD bias structure to measure rotation rate without a phase modulator. By using white light interferometric demodulation, the system is able to achieve linear output in detecting rotation rate based on OPD difference.
Article
Physics, Multidisciplinary
Dao-Xin Sun, Dong-Liang Zhang, Li-Dan Lu, Tao Xu, Xian-Tong Zheng, Zhe-Hai Zhou, Lian-Qing Zhu
Summary: This paper proposes a highly systematic design of a hybrid integrated optical gyroscope with enhanced reciprocity sensitivity and a dual micro-ring structure by combining a silicon-based lithium niobate modulator and a silicon-based Si3N4 resonator with silicon-based photonics technology. The relationship between the device's structural parameters and optical performance is analyzed through a complete simulation link, providing a theoretical design reference to improve the system's sensitivity. By setting the phase offset, the work fits the gyro dynamic output diagram and solves the problem of low sensitivity at low speed, providing a basis for further optimization of design and chip processing of the integrated optical gyroscope.
Article
Chemistry, Analytical
Konstantin A. Ovchinnikov, Daniil G. Gilev, Victor V. Krishtop, Anatoliy B. Volyntsev, Vitaliy A. Maximenko, Alexey A. Garkushin, Yurii V. Filatov, Alexander S. Kukaev, Alexander A. Sevryugin, Egor V. Shalymov, Anastasiya V. Venediktova, Vladimir Yu. Venediktov
Summary: This paper presents a prototype of a miniature resonant interferometric gyroscope with strategic accuracy. The use of passive optical elements in this gyroscope allows for potential miniaturization, low production cost, and ease of implementation. The theoretical model proposed in this paper is consistent with the experimental data. However, further investigation is needed to address the scale factor instability and change in the average signal level observed in the prototype gyroscope.
Article
Engineering, Electrical & Electronic
Ningfang Song, Xiaobin Xu, Zuchen Zhang, Fuyu Gao, Xiaowei Wang
Summary: Interferometric fiber optic gyroscope (IFOG) is a successful application in optical fiber sensing, widely used in aviation, aerospace, navigation, and land, and has the potential to achieve high precision with the use of advanced photonic crystal fibers. This review summarizes the progress of photonic crystal fibers in FOGs research and applications for angular velocity measurement, as well as the advanced technologies for improving precision and reducing volume in FOGs.
JOURNAL OF LIGHTWAVE TECHNOLOGY
(2023)
Article
Engineering, Electrical & Electronic
Stefanos Kovaios, Apostolos Tsakyridis, George Giamougiannis, Konstantinos Fotiadis, Davide Sacchetto, Michael Zervas, Miltiadis Moralis-Pegios, Nikos Pleros
Summary: This paper presents the experimental performance of 3 x 3 and 4 x 4 Generalized Mach Zehnder Interferometers (GMZI) integrated on the Si3N4 waveguide platform, serving as switching and variable power splitting modules. The GMZI structures exhibit resonant spectral behavior and low insertion losses.
IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS
(2023)
Article
Engineering, Electrical & Electronic
Yingning He, Douglas Silva de Vasconcellos, David Bourrier, Kata Hajdu, Jean-Olivier Durand, Frederique Cunin, Veronique Bardinal, Thierry Leichle
Summary: An alternative porous silicon interferometer with horizontally oriented pores was proposed in this study, showing high sensitivity and low detection limit. Simulation studies indicated that the addition of Bragg mirrors on the membranes could improve the performance of lateral porous silicon interferometers, which could potentially be used as alternative solutions for on-chip development of porous silicon biosensors.
SENSORS AND ACTUATORS A-PHYSICAL
(2021)
Article
Engineering, Electrical & Electronic
Rui Cheng, Lukas Chrostowski
Summary: This tutorial discusses the development of Integrated Bragg gratings (IBGs) on the silicon-on-insulator (SOI) platform and their potential applications in optical telecommunications and signal processing. The design methodology for SOI-based IBGs is described, along with examples of advanced optical devices.
JOURNAL OF LIGHTWAVE TECHNOLOGY
(2021)
Review
Optics
Minghui Zhao, Yonghong Qi, Hailong Wang, Zongxiang Xie, Bo Li, Hairong Wang, Xueyong Wei
Summary: This paper reviews the development status of optical interferometric MEMS accelerometers, focusing on the critical problems and solutions in their development and introduces their typical application scenarios.
LASER & PHOTONICS REVIEWS
(2023)
Article
Materials Science, Multidisciplinary
Xiangpeng Ou, Ying Qiu, Ming Luo, Junjie Li, Xiaobin He, Jianfeng Gao, Fujun Sun, Peng Zhang, Gang Yang, Anyan Du, Bin Li, Zichen Liu, Zhihua Li, Ling Xie, Xi Xiao, Jun Luo, Wenwu Wang, Jin Tao, Yan Yang
Summary: This study proposes and demonstrates an integrated optical sensing and communication (IOSAC) system based on a silicon nitride (Si3N4) photonics platform. The system shows high sensitivity and high-speed real-time monitoring and transmission capabilities. Experimental results indicate the potential application of the system in refractive index sensing and optical communication.
ADVANCED MATERIALS TECHNOLOGIES
(2023)
Article
Engineering, Electrical & Electronic
Hui Li, Chen Wen, Changkun Feng, Chen Qing, Dengke Zhang, Lishuang Feng
Summary: A frequency spectrum separation method is proposed to suppress backward-light-related errors in resonant integrated optical gyroscopes (RIOG) and improve detection precision. Through optimal modulation frequencies, the long-term bias stability of RIOG achieves 0.3 degrees/h.
JOURNAL OF LIGHTWAVE TECHNOLOGY
(2022)
Article
Engineering, Electrical & Electronic
Yuan Yu, Shuai Cui, Guijiang Yang, Luoqiu Xu, Yu Chen, Kaixiang Cao, Liang Wang, Yu Yu, Xinliang Zhang
Summary: We proposed and demonstrated a temperature sensor with both high resolution and large dynamic range based on simultaneous microwave photonic and optical measurements. By designing and fabricating two cascaded ring resonators (CRRs) with different temperature sensitivities and free spectral ranges (FSRs) as the sensing probe, and utilizing the ultrahigh-Q-factor microring in the CRR, we achieved a high temperature resolution with a microwave photonic notch filter (MPNF) and a large dynamic range with the optical transmission spectrum of the CRR. The combination of these two measurements realized the desired temperature sensor.
IEEE SENSORS JOURNAL
(2023)
Article
Engineering, Electrical & Electronic
Yuhan Yao, Yuhe Zhao, Jianji Dong, Xinliang Zhang
Summary: This study proposes and demonstrates a highly integrated frequency-tunable microwave photonic bandpass filter based on a silicon platform. The filter offers wide bandwidth and large tunability, and holds great promise for miniaturised, flexible, and high-performance microwave signal processing in modern radar and communication systems.
IET OPTOELECTRONICS
(2023)
Article
Optics
Yaoshuai Li, Liang Xu, Danlu Wang, Qingzhong Huang, Chi Zhang, Xinliang Zhang
Summary: This work proposes and demonstrates a chirped waveguide Bragg grating (CWBG)-based on-chip optical delay line (ODL) with large group delay, delay-bandwidth product, and low loss. The device is fabricated on a low-loss silicon nitride platform and can be used in practical applications such as microwave photonics, temporal optics, and optical communication.
Article
Chemistry, Multidisciplinary
Yerun Gao, Jiawen Liao, Haoyu Chen, Haijun Ning, Qinghe Wu, Zhilin Li, Zhenye Wang, Xinliang Zhang, Ming Shao, Yu Yu
Summary: This study reports a self-powered organic photodetector based on stretchable polymers, which has high sensitivity to both intensity and polarization. The detector exhibits remarkable strain tolerance and high anisotropic responsivity ratio, making it suitable for polarization imaging and spectroscopy applications.
Article
Optics
Junwei Cheng, Zhenming He, Yuhao Guo, Bo Wu, Hailong Zhou, Teyan Chen, Yixin Wu, Wenwei Xu, Jianji Dong, Xinliang Zhang
Summary: In this study, a self-calibration scheme with dual-wavelength synchronization is proposed and demonstrated to monitor and calibrate the weights of a microring synapse. The scheme successfully addresses the challenges of precision and stability caused by cross talk and environmental perturbations. The experiments show that the scheme achieves favorable performance, with a 2-bit precision improvement and excellent robustness to environmental temperature fluctuations. Moreover, matrix inversion tasks beyond 7-bit precision are demonstrated using this microring synapse, opening up new perspectives for precision boost solutions in large-scale analog optical computing.
PHOTONICS RESEARCH
(2023)
Article
Engineering, Electrical & Electronic
Weilun Zhang, Mengyuan Ye, Yunlong Li, Li Liu, Xiangyu Guo, Yu Yu
Summary: We propose and demonstrate a silicon integrated high-order mode fiber-chip coupler. By using apodized double-part gratings with mode selective trident, low mode crosstalk can be achieved during the coupling of TE1 mode. Design details and simulation results are provided. The fabricated coupler on silicon integrated platform exhibits a loss of 4.68 dB for TE1-LP11 mode coupling with mode crosstalk <-23 dB. It can be utilized in advanced mode division multiplexing (MDM) systems.
IEEE PHOTONICS JOURNAL
(2023)
Article
Nanoscience & Nanotechnology
Lin Wang, Yifan Liu, Yu Yu, Yuan Yu, Xinliang Zhang
Summary: In this study, a parity-time (PT) symmetric optoelectronic oscillator (OEO) based on stimulated Brillouin scattering (SBS) is proposed and experimentally demonstrated. Instead of using two mutually coupled feedback loops, the PT symmetry is achieved in a single overlapping spatial loop by utilizing SBS gain and SBS loss. Stable single-mode oscillation is achieved by balancing the gain and loss through adjusting the pump power and the polarization states of the probe and pump lights. Experimental results show the generation of a 9.66 GHz microwave signal with a side-mode suppression ratio of 41 dB, and a single-sideband phase noise as low as -120.1 dBc/Hz at a 10 kHz offset frequency. This research opens up new possibilities for enhancing mode selectivity in OEOs and potential integration on a chip.
Article
Multidisciplinary Sciences
Lun Li, Chi Zhang, Yuchong Cai, Hongguang Zhang, Yaoshuai Li, Xiang Li, Xi Xiao, Kenneth Kin -Yip Wong, Xinliang Zhang
Summary: To meet the demands of high-capacity telecommunications infrastructure, data rates beyond 1 terabit per second per wavelength channel and optical multiplexing are widely used. Existing data acquisition and optical performance monitoring techniques face challenges due to bandwidth limitation and signal synchronization. A new approach was designed to address these limitations by converting frequency limit to an unlimited time axis and combining it with chirped coherent detection for obtaining the full-field spectrum. This approach demonstrated a real-time Fourier-domain optical vector oscilloscope with a large bandwidth and high temporal resolution, making it a promising tool in high-speed optical communication and ultrafast optical measurement.
Article
Optics
Chen Liu, Liang Xu, Lei Zhang, Danlu Wang, Ziyu Cao, Zheng Zhang, Chi Zhang, Xinliang Zhang
Summary: Dual-comb spectroscopy allows for precise optical measurements, but relies on stable light sources. This study uses passive notch filtering and online calibration techniques to eliminate fluctuations and timing jitter, achieving high resolution and stability. The application of this low-cost and convenient scheme can greatly enhance the effectiveness of dual-comb spectroscopy systems.
Article
Optics
Ziyu Cao, Wenkai Zhang, Hailong Zhou, Jianji Dong, Xinliang Zhang
Summary: Recent advancements in optical convolutional neural networks and radar signal processing systems have led to an increasing need for the adoption of optical fast Fourier transform (OFFT). Traditional electronic methods for fast Fourier transform (FFT) face limitations in terms of speed and power consumption, while existing OFFT systems struggle to meet the demands of large-scale processing and high precision. This study presents a novel solution using a complex-valued matrix-vector system and wavelength selective switches (WSSs) to achieve a 24-input optical FFT with a high accuracy level of 5.4 bits.
Article
Optics
Nuo Chen, Zijie Wang, Jingpeng Wu, Hanghang Li, Shiqi He, Zhuang Fan, Yunru Fan, Xinliang Zhang, Qiang Zhou, Jing Xu
Summary: Photon pairs generated in microresonators are crucial for optical quantum information technologies. The maximum PGR and power efficiency can be balanced by manipulating the resonance linewidth.
Article
Engineering, Electrical & Electronic
Shiqi He, Nuo Chen, Hanghang Li, Xiaolong Fan, Wenchan Dong, Jianji Dong, Heng Zhou, Xinliang Zhang, Jing Xu
Summary: Optical parametric amplifiers (OPAs) based on four-wave mixing processes have great potential in various fields. Recently, integrated OPAs based on highly nonlinear micro-ring resonators (MRRs) have achieved significant progress, thanks to enhanced optical-matter interactions. This study derives analytical formulas for the parametric gain and conversion efficiency (CE) of high-Q MRRs with high-pump excitation, showing the interplay between parametric gain and field enhancement. The theory agrees well with numerical and experimental results.
IEEE PHOTONICS JOURNAL
(2023)
Article
Multidisciplinary Sciences
Xin Zhang, Qizhi Yan, Weiliang Ma, Tianning Zhang, Xiaosheng Yang, Xinliang Zhang, Peining Li
Summary: In this study, we demonstrate the creation, observation, and control of polariton pulses with in-plane hyperbolic dispersion on anisotropic crystal surfaces using a time-resolved nanoimaging technique and high-dimensional data processing. We capture and analyze movies showing distinct pulse spatiotemporal dynamics, including curved ultraslow energy flow trajectories, anisotropic dissipation, and dynamical misalignment between phase and group velocities. Our approach enables the analysis of polariton pulses in the wave vector time domain, facilitating the study of diverse space-time phenomena at extreme scales and driving advances in ultrafast nanoimaging.
