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Optically tunable microcavity in a planar photonic crystal silicon waveguide buried in oxide

Iwan Märki, Martin Salt, Hans Peter Herzig, Ross Stanley, L. El Melhaoui, P. Lyan, J. M. Fedeli
2006 Optics Letters  
By focusing a laser onto the microcavity region, both a thermal and a plasma dispersion effect are generated, allowing tuning and fast modulation of the in-plane transmission.  ...  By means of the temporal characteristics of the in-plane transmission, we experimentally identify a slower thermal and a fast plasma dispersion effect with modulation bandwidths of the order of several  ...  Alternatively, integration of the optical tuning and the modulation method into a completely planar solution by use of a different wavelength for the control laser (slightly different from the wavelength  ... 
doi:10.1364/ol.31.000513 pmid:16496904 fatcat:ylqigmvifzb75n4gvd5ctkyzay

Inverse-designed multi-dimensional silicon photonic transmitters [article]

Ki Youl Yang, Alexander D. White, Farshid Ashtiani, Chinmay Shirpurkar, Srinivas V. Pericherla, Lin Chang, Hao Song, Kaiheng Zou, Huibin Zhou, Kai Pang, Joshua Yang, Melissa A. Guidry (+24 others)
2021 arXiv   pre-print
of data transfer will be paramount to fulfill the ever-growing need for speed.  ...  Using inverse-designed mode-division multiplexers, we combine wavelength- and mode- multiplexing and send massively parallel data through nano-photonic waveguides and optical fibres.  ...  In addition, the multiplexed data can be mapped using silicon photonics to orthogonal spatial channels of free space or optical fibres for chip-to-chip data transmission.  ... 
arXiv:2103.14139v2 fatcat:otlmt5d7drhk5dttqjuddlnl4q

Cascaded active silicon microresonator array cross-connect circuits for WDM networks-on-chip

Andrew W. Poon, Fang Xu, Xianshu Luo, Joel A. Kubby, Graham T. Reed
2008 Silicon Photonics III  
As a proof-of-concept, our initial experiments on cascaded passive silicon MMI-crossing-coupled microring resonators demonstrate 3.6-Gbit/s non-return-to-zero data transmissions at on-and off-resonance  ...  We propose a design of an optical switch on a silicon chip comprising a 5 × 5 array of cascaded waveguide-crossing-coupled microring resonator-based switches for photonic networks-on-chip applications.  ...  Moreover, Luxtera group reported high-speed silicon modulators with data rate up to 10 Gbit/s using a depletion type silicon microring modulator 18 . For on-chip optical detection, L.  ... 
doi:10.1117/12.765090 fatcat:ce7gchri7fho7eeuuq5uuthmkm

O-band Silicon Photonic Transmitters for Datacom and Computercom Interconnects

Stelios Pitris, Miltiadis Moralis-Pegios, Theonitsa Alexoudi, Yoojin Ban, Peter De Heyn, Joris Van Campenhout, Joris Lambrecht, Hannes Ramon, Xin Yin, Johan Bauwelinck, Nikos Pleros
2019 Journal of Lightwave Technology  
This has set a new class of requirements for the TX infrastructure that should now offer multiple credentials, namely: high-speed, O-band operation for avoiding dispersion compensation in long distances  ...  In this paper, we introduce a novel silicon photonic high-speed O-band TX hardware platform that can meet the current datacom and computercom interconnect requirements.  ...  A broadband TW-MZM is then demonstrated jointly with an 8 × 8 passive silicon AWGR [36] in a WDM multicasting concept for MSBs, modulating simultaneously two different wavelength channels with the same  ... 
doi:10.1109/jlt.2019.2929593 fatcat:rpapbj3uffgqro5byzvvj6mphm

Silicon nanomembrane based photonic crystal waveguide array for wavelength-tunable true-time-delay lines

Che-Yun Lin, Harish Subbaraman, Amir Hosseini, Alan X. Wang, Liang Zhu, Ray T. Chen
2012 Applied Physics Letters  
Note that since a different s i time delay difference is achieved for different tuning wavelength k i , the time delay profiles can provide appropriate phase distribution at the output for operation in  ...  In this paper, we explore the utilization of a slow-light PCW for application in an X-Band TTD module.  ... 
doi:10.1063/1.4739003 fatcat:7whzdmjt3ze75f2i4lqvwj3ktq

Silicon microring modulator for 40 Gb/s NRZ-OOK metro networks in O-band

Zhe Xuan, Yangjin Ma, Yang Liu, Ran Ding, Yunchu Li, Noam Ophir, Andy Eu-Jin Lim, Guo-Qiang Lo, Peter Magill, Keren Bergman, Tom Baehr-Jones, Michael Hochberg
2014 Optics Express  
A microring-based silicon modulator operating at 40 Gb/s near 1310 nm is demonstrated for the first time to our knowledge.  ...  This makes the modulator a potential candidate for metro network applications.  ...  The authors gratefully acknowledge support for the OpSIS initiative from Gernot Pomrenke, of AFOSR. The authors also thank Akira TSUCHIYA for the GDSII importer plugin.  ... 
doi:10.1364/oe.22.028284 pmid:25402070 fatcat:zbmhe57vynfkdonwylpxfcuaom

Single-Sideband OFDM Transmission via a Silicon Microring IQ Modulator

Mingyang Lyu, Yelong Xu, Leslie A. Rusch, Wei Shi
2019 IEEE Photonics Technology Letters  
Over 18 dB sideband suppression ratio is achieved for the wideband OFDM: 15.7 GHz data band and 2.7 GHz guard band.  ...  We experimentally demonstrate the generation of a single-sideband orthogonal frequency division multiplexed (OFDM) signal using an on-chip silicon photonics microringbased IQ modulator.  ...  ACKNOWLEDGEMENT We thank CMC Microsystems for the fabrication subsidy and multi-project wafer service.  ... 
doi:10.1109/lpt.2018.2886557 fatcat:k63diyaqorc7pc3hsyxsge4aky

Si photonic crystal waveguide based delay lines

Che-Yun Lin, Liang Zhu, Harish Subbaraman, Amir Hosseini, Alan X. Wang, Ray T. Chen, Zhiping Zhou, Kazumi Wada
2012 Nanophotonics and Micro/Nano Optics  
The chip-scale TTD module can provide ±44.38° steering for an X-band phased array antenna (PAA), but occupies only 0.18 mm 2 area.  ...  The large group velocity dispersion enables continuous and wavelength-tunable time delays.  ...  hybrid silicon modulators 1-3 , electro-optic modulators based on carrier effect [4] [5] , optical switches 6 , on-chip environmental sensors for underground water pollution detection 7 , gas sensors  ... 
doi:10.1117/12.2009132 fatcat:6np3xxyc25elrc4bwyfko4o6vu

Integrated Silicon Photonics Remote Radio Frontend (RRF) For Single-Sideband (SSB) Millimeter-Wave Radio-over-Fiber (ROF) Systems

YEYU TONG, C. W. Chow, G. H. Chen, Ching-Wei Peng, Chien Hung Yeh, Hon Ki Tsang
2019 IEEE Photonics Journal  
Data rate of 7.813 Gbit/s per wavelength channel is achieved in the experiment. Numerical analysis is also performed; there are good matches of the simulation and experimental results.  ...  In this paper, we propose and demonstrate a silicon photonics (SiPh)-based remote radio frontend (RRF) for the mm-wave ROF systems.  ...  For example, in the 5G mobile systems, apart from the 3.5 GHz carrier frequency band; mm-wave bands in 40 GHz region are considered by different countries [2] .  ... 
doi:10.1109/jphot.2019.2898938 fatcat:phudmzalt5eh5oupjvxw7uge5m

100G Data Center Interconnections with Silicon Dual-Drive Mach-Zehnder Modulator and Direct Detection [article]

Xiaoke Ruan, Lei Zhang, Fan Yang, Yixiao Zhu, Fan Zhang
2018 arXiv   pre-print
In this paper, we experimentally demonstrate that a silicon dual-drive Mach-Zehnder modulator (DD-MZM) has great potential for next-generation data center interconnections (DCIs).  ...  Our study also shows the feasibility of silicon photonic modulator for DCI applications in the future.  ...  All of the above mentioned silicon modulators are designed for C-band.  ... 
arXiv:1811.11096v1 fatcat:t7cn6s2zefb4bocoz45iisebgy

Electronic band-gap modified passive silicon optical modulator at telecommunications wavelengths

Rui Zhang, Haohai Yu, Huaijin Zhang, Xiangdong Liu, Qingming Lu, Jiyang Wang
2015 Scientific Reports  
Here, a passive silicon optical modulator is fabricated by introducing an impurity band in the electronic band-gap, and its nonlinear optics and applications in the telecommunications-wavelength lasers  ...  connectivity, for both conventional data networks and intra-/interchip data links 12-15 .  ...  In conclusion, with the aim of constructing a loss-negligible passive optical modulator for application at telecommunications wavelengths, a silicon optical modulator was fabricated.  ... 
doi:10.1038/srep16588 pmid:26563679 pmcid:PMC4643244 fatcat:hrqm5ddhnfdzjcj5ghffixntq4

52km-long transmission link using a 50 Gb/s O-band silicon microring modulator co-packaged with a 1V-CMOS driver

Miltiadis Moralis-Pegios, Stelios Pitris, Theonitsa Alexoudi, Hannes Ramon, Xin Yin, Johan Bauwelinck, Yoojin Ban, Peter De Heyn, Joris Van Campenhout, Nikos Pleros
2019 IEEE Photonics Journal  
Abstract: We present an O-band silicon microring modulator with up to 50 Gb/s modulation rates, co-packaged with a 1V-CMOS driver in a dispersion un-compensated, transmission experiment through 52 km of  ...  The experimental results show 10 −9 error-rate operation with a negligible power penalty of 0.2 dB for 40 Gb/s and wide-open eye diagrams for 50 Gb/s data, corresponding to a record high bandwidth-distance  ...  For the second data generation stage, a LiNbO 3 modulator was employed and two different scenarios were investigated: in the first scenario, the modulator output was directly evaluated via a BER tester  ... 
doi:10.1109/jphot.2019.2921730 fatcat:hw57rdbunnhx5gkt2nv3krvzsy

Comparison of lithium niobate and silicon substrate on phase shift and efficiency performance for mach-zehnder interferometer modulator

Nor Hidayah Roslan, Aziati H. Awang, Mohd Hanapiah M. Yusoff, Ahmad Rifqi Md Zain
2021 Indonesian Journal of Electrical Engineering and Computer Science  
<span>In this study, the low-group velocity slow-light mach-zehnder interferometer (MZI) modulator, low loss and high efficiency for two modulator substrate lithium niobate (LN) and silicon were presented  ...  while the silicon depends on modulating voltage manipulating concentration of charge carrier in doped silicon.  ...  2 Figure 2 . 22 (b) is the measured band gap for silicon which is in between 0.25 and 0.38.  ... 
doi:10.11591/ijeecs.v22.i1.pp352-360 fatcat:e4e3pn4dqveylcukjz4hllnyjy

Colour selective control of terahertz radiation using two-dimensional hybrid organic inorganic lead-trihalide perovskites

Ashish Chanana, Yaxin Zhai, Sangita Baniya, Chuang Zhang, Z. Valy Vardeny, Ajay Nahata
2017 Nature Communications  
We demonstrate an innovative approach for controlling the propagation properties of terahertz (THz) radiation, through use of both the excitation optical wavelength (colour) and intensity.  ...  By patterning multiple 2D perovskites with different optical absorption properties onto a single device, we demonstrate both colour selective modulation and focusing of THz radiation.  ...  Support from the NSF ECCS 1607516 for sample preparation is also acknowledged.  ... 
doi:10.1038/s41467-017-01517-0 pmid:29105661 pmcid:PMC5673065 fatcat:xp6vawezwzg3lmyi2ttsewazuy

Light emitters and modulators on SOI for optical interconnects

Yikai Su, Ciyuan Qiu, Yong Zhang, Ruili Liu, Henning Schröder, Ray T. Chen
2016 Optical Interconnects XVI  
We discuss light emitters and modulators in silicon photonic interconnects.  ...  We further study a high speed silicon-graphene nanobeam modulator, and a silicon spatial light modulator.  ...  In addition, the interface to a silicon photonic device is single mode fiber, which is ideal for switching in mega data centers.  ... 
doi:10.1117/12.2211830 fatcat:6g7w2yaccvgkxnypchhdl7gkdq
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