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Ultra-compact mode-split silicon microring resonator for format conversion from NRZ to FSK
KTH, School of Information and Communication Technology (ICT), Microelectronics and Applied Physics, MAP.
KTH, School of Information and Communication Technology (ICT), Microelectronics and Applied Physics, MAP.
KTH, School of Information and Communication Technology (ICT), Microelectronics and Applied Physics, MAP.
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2008 (English)In: Proceedings of SPIE - The International Society for Optical Engineering, 2008Conference paper, Published paper (Refereed)
Abstract [en]

We propose and experimentally demonstrate all optical format conversion from non-return-to-zero (NRZ) format to frequency-shift-keying (FSK) format based on free carrier dispersion effect in a silicon mode-split microring resonator. The injection of the high-power NRZ signal generates free carriers leading to the blue shift of the spectrum when a '1' comes. Therefore, there is a selective filtering for the two probes with certain separation located at different position of the split mode according to the information carried by the NRZ signal. Then the NRZ signal is converted to the FSK format. The microring resonator features ultra-compact size with a radius of 10 urn thus is suitable for integration with silicon-on-insulator (SOI) based optical and electronic devices. The split mode can provide large and variable frequency deviation for the FSK signal. 1 Gb/s NRZ signal is successfully converted to FSK format with a frequency deviation of 40 GHz, which can find application for interconnection between a metropolitan area networks (MAN) and a passive optical network (PON) system.

Place, publisher, year, edition, pages
2008.
Series
Proceedings of SPIE - The International Society for Optical Engineering, ISSN 0277-786X ; 7135
Keyword [en]
All-optical format conversion, Free carrier dispersion effect, FSK, MAN, Mode-split, NRZ, PON, Silicon microring resonator, Dispersions, Fiber optic networks, Frequency shift keying, Metropolitan area networks, Nonmetals, Optical resonators, Optoelectronic devices, Passive networks, Power spectrum, Resonators, Optical frequency conversion
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Identifiers
URN: urn:nbn:se:kth:diva-154176DOI: 10.1117/12.802850Scopus ID: 2-s2.0-62649122480OAI: oai:DiVA.org:kth-154176DiVA: diva2:755906
Conference
Optoelectronic Materials and Devices III, 27 October 2008 through 30 October 2008, Hangzhou
Note

QC 20141015

Available from: 2014-10-15 Created: 2014-10-14 Last updated: 2014-10-15Bibliographically approved

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Li, QiangZhang, ZiyangQiu, Min
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