Design and optimization of high-performance microring-based uni-traveling carrier photodiode for WDM optical systems |
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| Authors: | Mitra Hosseinifar Vahid Ahmadi Gholamreza Abaeiani |
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| Institution: | 1. Department of Electrical Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran;2. Departemant of Electrical and Computer Engineering, Tarbiat Modares University, Tehran, Iran;3. Semiconductor Department, Laser and Optics Research School, Tehran, Iran;1. State Key Laboratory of Information Photonics and Optical Communications (Beijing University of Posts and Telecommunications), P.O. Box163 (BUPT), 100876 Beijing, China;2. Photonics Research Center, School of Electronic and Communications Engineering, Dublin Institute of Technology, Kevin Street, Dublin 8, Ireland;1. Department of Electrical and Computer Engineering, University of Louisiana at Lafayette, Lafayette, LA 70504, USA;2. Qualcomm Technologies Inc., San Diego, CA 92121, USA;1. Offshore Renewable Energy Catapult, 121 George Street, Glasgow G1 1RD, UK;2. Department of Electronic and Electrical Engineering, University of Strathclyde, 204 George Street, Glasgow G1 1XW, UK;3. School of Engineering, Cardiff University, The Parade, Cardiff CF24 3AA, UK;4. Institute for Sustainable Engineering & Technology, Glasgow Caledonian University, 70 Cowcaddens Road, Glasgow G4 0BA, UK;1. Laboratory of Infrared Material and Devices, The Research Institute of Advanced Technologies, College of Information Science and Engineering, Ningbo University, Ningbo 315211, China;2. Key Laboratory of Photoelectric Materials and Devices of Zhejiang Province, Ningbo 315211, China;3. Nanhu College, Jiaxing University, Jiaxing 314001, China |
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| Abstract: | This paper presents the design principles of a novel optimized microring-based uni-traveling carrier photodiode (MR-UTC-PD), for wavelength division multiplexing (WDM) optical systems. The fundamental parameters for output characteristics such as quantum efficiency and 3-dB bandwidth of MR-UTC-PD are discussed. We analyze the effects of basic parameters as effective ring radius, definite coupling condition and the suitable cross section on the MR-UTC-PD main characteristics for high performance of the device. It is shown that the maximum quantum efficiency and most efficient performance of the device can be obtained at critical coupling condition. We show that the maximum 3-dB bandwidth and an efficient approach for high bandwidth-efficiency product can be achieved at overcoupling condition. In this regard, some design curves are presented for the optimized MR-UTC-PD. |
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