Pub Date : 2017-07-31DOI: 10.1109/CLEOPR.2017.8119088
Shanting Hu, A. Matsutani, F. Koyama
In this paper, we present the unidirectional coupling behavior of a laterally coupled VCSEL and slow light modulator/amplifier. When we pump VCSEL and modulator/amplifier separately, the strong coupling takes place from the VCSEL while a week coupling can be seen for the opposite direction. Experimental results are presented to testify our concept.
{"title":"Unidirectional coupling of laterally coupled VCSEL and slow light modulator/amplifier","authors":"Shanting Hu, A. Matsutani, F. Koyama","doi":"10.1109/CLEOPR.2017.8119088","DOIUrl":"https://doi.org/10.1109/CLEOPR.2017.8119088","url":null,"abstract":"In this paper, we present the unidirectional coupling behavior of a laterally coupled VCSEL and slow light modulator/amplifier. When we pump VCSEL and modulator/amplifier separately, the strong coupling takes place from the VCSEL while a week coupling can be seen for the opposite direction. Experimental results are presented to testify our concept.","PeriodicalId":6655,"journal":{"name":"2017 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR)","volume":"72 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2017-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86573292","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2017-07-31DOI: 10.1109/CLEOPR.2017.8118682
Kang-wen Yang, Jieshi Jiang, Q. Hao, H. Zeng
A multi-color tunable picosecond laser source was demonstrated in a fiber optical parametric oscillator. By cascade four-wave mixing process in the photonic crystal fiber, we obtained picosecond pulses at 9 wavelengths with average power of milliwatt level.
{"title":"Multi-color tunable laser source based on fiber optical parametric oscillator","authors":"Kang-wen Yang, Jieshi Jiang, Q. Hao, H. Zeng","doi":"10.1109/CLEOPR.2017.8118682","DOIUrl":"https://doi.org/10.1109/CLEOPR.2017.8118682","url":null,"abstract":"A multi-color tunable picosecond laser source was demonstrated in a fiber optical parametric oscillator. By cascade four-wave mixing process in the photonic crystal fiber, we obtained picosecond pulses at 9 wavelengths with average power of milliwatt level.","PeriodicalId":6655,"journal":{"name":"2017 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR)","volume":"80 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2017-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89842078","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2017-07-31DOI: 10.1109/CLEOPR.2017.8118641
Dao-Liu Liu, Yong-Lu Hu, Bo Wang, Junfang Wu, Chao Li
We investigate the symmetry breaking in a side-coupled WG-resonator (SCWR) system. The theory presented in this paper will be helpful for accurate design of photonic functional devices based on SCWR system.
{"title":"Investigation of symmetry breaking in a side-coupled WG-resonator system","authors":"Dao-Liu Liu, Yong-Lu Hu, Bo Wang, Junfang Wu, Chao Li","doi":"10.1109/CLEOPR.2017.8118641","DOIUrl":"https://doi.org/10.1109/CLEOPR.2017.8118641","url":null,"abstract":"We investigate the symmetry breaking in a side-coupled WG-resonator (SCWR) system. The theory presented in this paper will be helpful for accurate design of photonic functional devices based on SCWR system.","PeriodicalId":6655,"journal":{"name":"2017 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR)","volume":"45 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2017-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78838887","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2017-07-31DOI: 10.1109/CLEOPR.2017.8118715
Junfeng Zhang, Wei Chen, M. Gao, G. Shen
We applied genetic algorithm to optimize the parameters of support vector machine for improving prediction accuracy. The proposed method is measured experimentally in 16-QAM coherent communication system for mitigating the fiber-nonlinearity-induced impairments.
{"title":"Mitigating fiber nonlinearity using support vector machine with genetic algorithm","authors":"Junfeng Zhang, Wei Chen, M. Gao, G. Shen","doi":"10.1109/CLEOPR.2017.8118715","DOIUrl":"https://doi.org/10.1109/CLEOPR.2017.8118715","url":null,"abstract":"We applied genetic algorithm to optimize the parameters of support vector machine for improving prediction accuracy. The proposed method is measured experimentally in 16-QAM coherent communication system for mitigating the fiber-nonlinearity-induced impairments.","PeriodicalId":6655,"journal":{"name":"2017 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR)","volume":"3 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2017-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78842268","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2017-07-31DOI: 10.1109/CLEOPR.2017.8119085
Pengcheng Chen, X. Shu, H. Cao
We propose and demonstrate a novel refractive index (RI) sensor based on an ultra-weak intrinsic fiber Fabry-Perot interferometer (FPI), which is simply fabricated by splicing a tiny section of thin-core fiber (TCF) to a standard single-mode fiber (SMF). The fusion interface (SMF/TCF) and the well cleaved TCF end face form a low fringe contrast FPI in the air. It exhibits an average RI sensitivity of 240dB/RIU over a wide RI range of 1.3326–1.4305, with a maximum sensitivity of 1110.7dB/RIU at the RI of 1.4305.
{"title":"High sensitivity refractive index sensor based on optical fiber ultra-weak Fabry-Perot interferometer","authors":"Pengcheng Chen, X. Shu, H. Cao","doi":"10.1109/CLEOPR.2017.8119085","DOIUrl":"https://doi.org/10.1109/CLEOPR.2017.8119085","url":null,"abstract":"We propose and demonstrate a novel refractive index (RI) sensor based on an ultra-weak intrinsic fiber Fabry-Perot interferometer (FPI), which is simply fabricated by splicing a tiny section of thin-core fiber (TCF) to a standard single-mode fiber (SMF). The fusion interface (SMF/TCF) and the well cleaved TCF end face form a low fringe contrast FPI in the air. It exhibits an average RI sensitivity of 240dB/RIU over a wide RI range of 1.3326–1.4305, with a maximum sensitivity of 1110.7dB/RIU at the RI of 1.4305.","PeriodicalId":6655,"journal":{"name":"2017 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR)","volume":"327 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2017-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77071404","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2017-07-31DOI: 10.1109/CLEOPR.2017.8118750
N. Sun, Qieng-Hsiung Tsai, T. Shih, Po-Jul Chiang
Silicon wayeguides fabricated on silicon-on-insulator wafers are leaky in nature. This fact puts a lower bound on the insulator thickness in silicon photonic structures as integrated with state-of-the-art electronic devices. We examine this constraint from the angle of finite gain compensation for leakage loss using m-V semiconductor gain media bonded to passive silicon waveguides.
{"title":"Leakage loss in silicon photonics","authors":"N. Sun, Qieng-Hsiung Tsai, T. Shih, Po-Jul Chiang","doi":"10.1109/CLEOPR.2017.8118750","DOIUrl":"https://doi.org/10.1109/CLEOPR.2017.8118750","url":null,"abstract":"Silicon wayeguides fabricated on silicon-on-insulator wafers are leaky in nature. This fact puts a lower bound on the insulator thickness in silicon photonic structures as integrated with state-of-the-art electronic devices. We examine this constraint from the angle of finite gain compensation for leakage loss using m-V semiconductor gain media bonded to passive silicon waveguides.","PeriodicalId":6655,"journal":{"name":"2017 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR)","volume":"30 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2017-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73733947","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2017-07-31DOI: 10.1109/CLEOPR.2017.8118983
W. Jin, W. Bi, Xinghu Fu, G. Fu
We report the first fabrication of a polarization converter in a highly birefringent elliptical microfiber, which is made by periodically twisting a microfiber with an ellipticity of ∼0.7 and a diameter of ∼2.8 along its major axis. Strong input polarization suppression of ∼20 dB is achieved at a resonant wavelength of ∼1556.4 nm with a device length of ∼3.12 mm, one or even more two orders of magnitude shorter than that fabricated in the conventional Hi-Bi fiber. This device demonstrates temperature stability, which is of 15pm/O.
{"title":"Temperature insensitive structural polarization converters in highly birefringent microfibers","authors":"W. Jin, W. Bi, Xinghu Fu, G. Fu","doi":"10.1109/CLEOPR.2017.8118983","DOIUrl":"https://doi.org/10.1109/CLEOPR.2017.8118983","url":null,"abstract":"We report the first fabrication of a polarization converter in a highly birefringent elliptical microfiber, which is made by periodically twisting a microfiber with an ellipticity of ∼0.7 and a diameter of ∼2.8 along its major axis. Strong input polarization suppression of ∼20 dB is achieved at a resonant wavelength of ∼1556.4 nm with a device length of ∼3.12 mm, one or even more two orders of magnitude shorter than that fabricated in the conventional Hi-Bi fiber. This device demonstrates temperature stability, which is of 15pm/O.","PeriodicalId":6655,"journal":{"name":"2017 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR)","volume":"211 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2017-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74151934","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2017-07-31DOI: 10.1109/CLEOPR.2017.8118671
Zhe-Wen Ding, Chun-liu Zhao, T. Lang, Jiajun Jin
Common surface plasmon resonance refractive index sensors often use side polished, tapered or etched fiber to enable evanescent wave to reach the metal-dielectric interface. These processes are often complex and make fiber fragile. In this paper, we fabricate a simple structure formed by multimode fiber and no-core fiber to stimulate surface plasmon wave. According to our research, the sensitivity of the sensor can reach −48.6 dB/RIU, and the resolution is 2.06 × 10−4 RIU. When surrounding refractive index is beyond 1.353, the sensitivity is 1582.5nm/RIU and the resolution is 1.26 × 10−4 RIU.
{"title":"Fiber refractive index sensor based on surface plasmon resonance with no-core fiber","authors":"Zhe-Wen Ding, Chun-liu Zhao, T. Lang, Jiajun Jin","doi":"10.1109/CLEOPR.2017.8118671","DOIUrl":"https://doi.org/10.1109/CLEOPR.2017.8118671","url":null,"abstract":"Common surface plasmon resonance refractive index sensors often use side polished, tapered or etched fiber to enable evanescent wave to reach the metal-dielectric interface. These processes are often complex and make fiber fragile. In this paper, we fabricate a simple structure formed by multimode fiber and no-core fiber to stimulate surface plasmon wave. According to our research, the sensitivity of the sensor can reach −48.6 dB/RIU, and the resolution is 2.06 × 10−4 RIU. When surrounding refractive index is beyond 1.353, the sensitivity is 1582.5nm/RIU and the resolution is 1.26 × 10−4 RIU.","PeriodicalId":6655,"journal":{"name":"2017 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR)","volume":"36 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2017-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75388477","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2017-07-31DOI: 10.1109/CLEOPR.2017.8118936
Z. Fang, Xianfeng Tang, Y. Zhai, Xiaoguang Zhang, Lixia Xi, Wenbo Zhang
We propose a new scheme to realize optical logic gates using polarization addition with direct detection. Two polarizations of the optical signal are modulated respectively by two binary inputs to represent four different states, while direct detection is used to map the four states to the corresponding binary output. Experiments are successfully carried out to realize 4 basic logic gates at the data rate of 1Gbit/s.
{"title":"Reconfigurable optical logic gate of AND, OR, NAND and NOR based on polarization modulation with direct detection","authors":"Z. Fang, Xianfeng Tang, Y. Zhai, Xiaoguang Zhang, Lixia Xi, Wenbo Zhang","doi":"10.1109/CLEOPR.2017.8118936","DOIUrl":"https://doi.org/10.1109/CLEOPR.2017.8118936","url":null,"abstract":"We propose a new scheme to realize optical logic gates using polarization addition with direct detection. Two polarizations of the optical signal are modulated respectively by two binary inputs to represent four different states, while direct detection is used to map the four states to the corresponding binary output. Experiments are successfully carried out to realize 4 basic logic gates at the data rate of 1Gbit/s.","PeriodicalId":6655,"journal":{"name":"2017 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR)","volume":"20 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2017-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72773537","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2017-07-31DOI: 10.1109/CLEOPR.2017.8118971
A. Moscoso-Mártir, F. Merget, J. Mueller, J. Hauck, S. Romero-García, B. Shen, F. Lelarge, R. Brenot, A. Garreau, E. Mentovich, A. Sandomirsky, A. Badihi, D. Rasmussen, R. Setter, J. Witzens
We present a flip-chip integration process in which the vertical alignment is guaranteed by a mechanical contact between pedestals defined in a recess etched into a silicon photonics chip and a laser or semiconductor optical amplifier. By selectively etching up to the active region of the III-V materials, we can make the accuracy of vertical alignment independent on the process control applied to layer thicknesses during silicon photonics or III-V chip fabrication, enabling alignment tolerances below ±10 nm in the vertical (Z-)direction.
{"title":"Hybrid silicon photonics flip-chip laser integration with vertical self-alignment","authors":"A. Moscoso-Mártir, F. Merget, J. Mueller, J. Hauck, S. Romero-García, B. Shen, F. Lelarge, R. Brenot, A. Garreau, E. Mentovich, A. Sandomirsky, A. Badihi, D. Rasmussen, R. Setter, J. Witzens","doi":"10.1109/CLEOPR.2017.8118971","DOIUrl":"https://doi.org/10.1109/CLEOPR.2017.8118971","url":null,"abstract":"We present a flip-chip integration process in which the vertical alignment is guaranteed by a mechanical contact between pedestals defined in a recess etched into a silicon photonics chip and a laser or semiconductor optical amplifier. By selectively etching up to the active region of the III-V materials, we can make the accuracy of vertical alignment independent on the process control applied to layer thicknesses during silicon photonics or III-V chip fabrication, enabling alignment tolerances below ±10 nm in the vertical (Z-)direction.","PeriodicalId":6655,"journal":{"name":"2017 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR)","volume":"17 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2017-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74682109","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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