Pub Date : 2022-10-01DOI: 10.1109/MWP54208.2022.9997749
R. Puerta, O. Ozolins, Anders Djupsjöbacka, V. Bobrovs, S. Popov, X. Pang
Foreseen requirements and use cases of future beyond fifth-generation (B5G) and sixth-generation (6G) mobile networks have shown that current mobile networks implementations must be reconsidered. Analog radio-over-fiber (ARoF) is a prospective solution for future mobile fronthaul of certain applications where current solutions fall short to fulfill future demands on bandwidth and power consumption. This paper provides a complete New-Radio (NR) conformance testing of ARoF fronthaul links in full accordance with the 3rd Generation Partnership Project (3GPP) technical specifications. We experimentally verified that the adjacent channel leakage power ratio (ACLR) and the error vector magnitude (EVM) transmitter requirements are fulfilled validating ARoF links as a suitable solution for next-generation mobile fronthaul. Wireless transmissions results are also provided.
{"title":"5G/NR Conformance Testing of Analog Radio-overfiber Fronthaul Links","authors":"R. Puerta, O. Ozolins, Anders Djupsjöbacka, V. Bobrovs, S. Popov, X. Pang","doi":"10.1109/MWP54208.2022.9997749","DOIUrl":"https://doi.org/10.1109/MWP54208.2022.9997749","url":null,"abstract":"Foreseen requirements and use cases of future beyond fifth-generation (B5G) and sixth-generation (6G) mobile networks have shown that current mobile networks implementations must be reconsidered. Analog radio-over-fiber (ARoF) is a prospective solution for future mobile fronthaul of certain applications where current solutions fall short to fulfill future demands on bandwidth and power consumption. This paper provides a complete New-Radio (NR) conformance testing of ARoF fronthaul links in full accordance with the 3rd Generation Partnership Project (3GPP) technical specifications. We experimentally verified that the adjacent channel leakage power ratio (ACLR) and the error vector magnitude (EVM) transmitter requirements are fulfilled validating ARoF links as a suitable solution for next-generation mobile fronthaul. Wireless transmissions results are also provided.","PeriodicalId":127318,"journal":{"name":"2022 IEEE International Topical Meeting on Microwave Photonics (MWP)","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132556528","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 : 2022-10-01DOI: 10.1109/MWP54208.2022.9997750
Chin-Hao Tseng, Bin-Kai Liao, S. Hwang
This study investigates an all-optical microwave generation approach using a semiconductor laser operating at period-one nonlinear dynamics. In particular, a novel all-optical stabilization scheme based on highly asymmetric mutual injection is proposed to improve the spectral purity of such generated microwaves. As a result, microwaves at a frequency of 64.3 GHz with a 3-dB linewidth below 2.7 kHz and a SPSR of 46 dB is generated. Microwave generation with high spectral purity over the V (40 to 75 GHz) and W (75 to 110 GHz) bands can be achieved by simply adjusting the power and frequency of optical injection.
{"title":"Photonic microwave generation using period-one nonlinear dynamics of semiconductor lasers under highly asymmetric mutual injection","authors":"Chin-Hao Tseng, Bin-Kai Liao, S. Hwang","doi":"10.1109/MWP54208.2022.9997750","DOIUrl":"https://doi.org/10.1109/MWP54208.2022.9997750","url":null,"abstract":"This study investigates an all-optical microwave generation approach using a semiconductor laser operating at period-one nonlinear dynamics. In particular, a novel all-optical stabilization scheme based on highly asymmetric mutual injection is proposed to improve the spectral purity of such generated microwaves. As a result, microwaves at a frequency of 64.3 GHz with a 3-dB linewidth below 2.7 kHz and a SPSR of 46 dB is generated. Microwave generation with high spectral purity over the V (40 to 75 GHz) and W (75 to 110 GHz) bands can be achieved by simply adjusting the power and frequency of optical injection.","PeriodicalId":127318,"journal":{"name":"2022 IEEE International Topical Meeting on Microwave Photonics (MWP)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122975242","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 : 2022-10-01DOI: 10.1109/MWP54208.2022.9997662
Pierre Travers, Y. Léguillon, F. Louf, P. Boucard, L. Morvan, D. Dolfi, V. Crozatier
We present our recent investigations on the acceleration sensitivity of an ultra-low phase noise optoelectronic oscillator operating at 10 GHz. We measured the OEO phase noise degradation, submitting successively every component to vibration. The fiber spool is the bottleneck, with a 10−8 g−1 sensitivity. We also performed optical intensity noise and laser frequency noise measurements under vibration, showing coupling mechanisms from vibration to phase noise degradation.
{"title":"Analysis on the phase noise degradation of an optoelectronic oscillator submitted to vibrations","authors":"Pierre Travers, Y. Léguillon, F. Louf, P. Boucard, L. Morvan, D. Dolfi, V. Crozatier","doi":"10.1109/MWP54208.2022.9997662","DOIUrl":"https://doi.org/10.1109/MWP54208.2022.9997662","url":null,"abstract":"We present our recent investigations on the acceleration sensitivity of an ultra-low phase noise optoelectronic oscillator operating at 10 GHz. We measured the OEO phase noise degradation, submitting successively every component to vibration. The fiber spool is the bottleneck, with a 10−8 g−1 sensitivity. We also performed optical intensity noise and laser frequency noise measurements under vibration, showing coupling mechanisms from vibration to phase noise degradation.","PeriodicalId":127318,"journal":{"name":"2022 IEEE International Topical Meeting on Microwave Photonics (MWP)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130638782","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 : 2022-10-01DOI: 10.1109/MWP54208.2022.9997638
J. Patel, E. Ghillino, P. Mena, D. Richards, T. Korthorst
The transition from pluggable optics to co-packaged optics is having an impact on the photonic integrated circuit design automation. Traditionally, chip designers for fiber-optic systems using electronic design automation tools frequently needed a way to model a few photonic components in the same design environment with the electronics. Examples include modeling lasers or modulators with electrical driver circuits, or modeling receiver electronics with photodetector. These designs focused primarily on optimizing electronics and it was typically sufficient to model a few photonic components through electrically equivalent circuit representations using SPICE or Verilog-A. However, with the advances in silicon photonics, the photonic component count in modern PICs is rapidly growing raising serious concerns over efficacy and reliability of treating photonics as electronics. This paper describes an E-O co-design approach that (i) does not require user intervention on RF and photonic domain demarcations, and (ii) supports schematic-driven layout and back-annotation.
{"title":"Electronic-Photonic Co-Design of Co-Packaged Optics in Schematic-Driven Layout Design Flow for Photonic Integrated Circuits","authors":"J. Patel, E. Ghillino, P. Mena, D. Richards, T. Korthorst","doi":"10.1109/MWP54208.2022.9997638","DOIUrl":"https://doi.org/10.1109/MWP54208.2022.9997638","url":null,"abstract":"The transition from pluggable optics to co-packaged optics is having an impact on the photonic integrated circuit design automation. Traditionally, chip designers for fiber-optic systems using electronic design automation tools frequently needed a way to model a few photonic components in the same design environment with the electronics. Examples include modeling lasers or modulators with electrical driver circuits, or modeling receiver electronics with photodetector. These designs focused primarily on optimizing electronics and it was typically sufficient to model a few photonic components through electrically equivalent circuit representations using SPICE or Verilog-A. However, with the advances in silicon photonics, the photonic component count in modern PICs is rapidly growing raising serious concerns over efficacy and reliability of treating photonics as electronics. This paper describes an E-O co-design approach that (i) does not require user intervention on RF and photonic domain demarcations, and (ii) supports schematic-driven layout and back-annotation.","PeriodicalId":127318,"journal":{"name":"2022 IEEE International Topical Meeting on Microwave Photonics (MWP)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114481955","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 : 2022-10-01DOI: 10.1109/MWP54208.2022.9997700
Y. Xie, Mostafa Khali, Hao Sun, Lawrence R. Chen, Sehr Moosabhoy, Jiaren Liu, Zhenguo Lu, P. Poole, J. Weber
We develop and experimentally demonstrate a microwave photonic-based directional phased antenna array using quantum dash mode-locked laser. Thanks to the 25 GHz free spectral range, this system has higher band utilization. With these comb lines, two types of directional antenna arrays, uniform linear array (ULA) and uniform circular array (UCA), are designed and simulated. It is found that these two structures have directivity up to 14 dBi. Moreover, the end-fire ULA system shows less sensitivity to the phase error. Although UCA is more sensitive, it also has wider RF bandwidth compared to ULA.
{"title":"Photonic beamforming using quantum-dash mode-locked frequency comb laser","authors":"Y. Xie, Mostafa Khali, Hao Sun, Lawrence R. Chen, Sehr Moosabhoy, Jiaren Liu, Zhenguo Lu, P. Poole, J. Weber","doi":"10.1109/MWP54208.2022.9997700","DOIUrl":"https://doi.org/10.1109/MWP54208.2022.9997700","url":null,"abstract":"We develop and experimentally demonstrate a microwave photonic-based directional phased antenna array using quantum dash mode-locked laser. Thanks to the 25 GHz free spectral range, this system has higher band utilization. With these comb lines, two types of directional antenna arrays, uniform linear array (ULA) and uniform circular array (UCA), are designed and simulated. It is found that these two structures have directivity up to 14 dBi. Moreover, the end-fire ULA system shows less sensitivity to the phase error. Although UCA is more sensitive, it also has wider RF bandwidth compared to ULA.","PeriodicalId":127318,"journal":{"name":"2022 IEEE International Topical Meeting on Microwave Photonics (MWP)","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117234743","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 : 2022-10-01DOI: 10.1109/MWP54208.2022.9997756
Yuanli Yue, Shouju Liu, Yanrong Zhai, Chao Wang
Reservoir computing (RC) has been widely used in processing temporal information and classification tasks due to its high efficiency in training and testing. In this paper, we have experimentally demonstrated the performance of an all-optical reservoir computer based on time stretch and spectral mixing. Spectral comb lines of the stretched optical pulse are chosen as virtual nodes in the reservoir layer. Nonlinear spectral mixing is achieved through phase modulation and semiconductor optical amplification. A simple temporal waveform classification task was implemented using the demonstrated RC system to verify the approach.
{"title":"Experimental Implementation of An All-Optical Reservoir Computer Using Photonic Time Stretch and Spectral Mixing","authors":"Yuanli Yue, Shouju Liu, Yanrong Zhai, Chao Wang","doi":"10.1109/MWP54208.2022.9997756","DOIUrl":"https://doi.org/10.1109/MWP54208.2022.9997756","url":null,"abstract":"Reservoir computing (RC) has been widely used in processing temporal information and classification tasks due to its high efficiency in training and testing. In this paper, we have experimentally demonstrated the performance of an all-optical reservoir computer based on time stretch and spectral mixing. Spectral comb lines of the stretched optical pulse are chosen as virtual nodes in the reservoir layer. Nonlinear spectral mixing is achieved through phase modulation and semiconductor optical amplification. A simple temporal waveform classification task was implemented using the demonstrated RC system to verify the approach.","PeriodicalId":127318,"journal":{"name":"2022 IEEE International Topical Meeting on Microwave Photonics (MWP)","volume":"1961 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129385918","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 : 2022-10-01DOI: 10.1109/MWP54208.2022.9997596
Jiang Li, K. Vahala
In this paper, compact, ultra-low phase noise (ULPN) photonic microwave oscillators at 10, 20, 30 and 40 GHz based on electro-optical frequency division (eOFD) are described. At 40 GHz a record-low phase noise of −153 dBc/Hz is achieved (10 kHz offset, 40 GHz carrier). The oscillators use typically 50W wall-plug power from a single 12V supply.
{"title":"Field-deployable, ultra-low phase noise photonic microwave oscillators","authors":"Jiang Li, K. Vahala","doi":"10.1109/MWP54208.2022.9997596","DOIUrl":"https://doi.org/10.1109/MWP54208.2022.9997596","url":null,"abstract":"In this paper, compact, ultra-low phase noise (ULPN) photonic microwave oscillators at 10, 20, 30 and 40 GHz based on electro-optical frequency division (eOFD) are described. At 40 GHz a record-low phase noise of −153 dBc/Hz is achieved (10 kHz offset, 40 GHz carrier). The oscillators use typically 50W wall-plug power from a single 12V supply.","PeriodicalId":127318,"journal":{"name":"2022 IEEE International Topical Meeting on Microwave Photonics (MWP)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131328030","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 : 2022-10-01DOI: 10.1109/MWP54208.2022.9997637
P. Dat, K. Inagaki, I. Morohashi, N. Sekine, A. Kanno
We demonstrate the transmission of a millimeter-wave radio signal over a seamless fiber–terahertz-wave system in the 300 GHz band. The system utilizes a simple optical heterodyning method at the transmitter and a direct detection at the receiver. As a proof-of-concept demonstration, we successfully transmitted a 100-MHz bandwidth 5G new radio compliant signal at 24.5 GHz over a seamless fiber-terahertz system in the 300 GHz band. The proposed system is promising to facilitate the deployment of ultra-dense small cells in high-frequency bands in 5G and beyond networks.
{"title":"Transmission of Millimeter-wave Radio Signal over a Seamless Fiber–Terahertz System at 325 GHz","authors":"P. Dat, K. Inagaki, I. Morohashi, N. Sekine, A. Kanno","doi":"10.1109/MWP54208.2022.9997637","DOIUrl":"https://doi.org/10.1109/MWP54208.2022.9997637","url":null,"abstract":"We demonstrate the transmission of a millimeter-wave radio signal over a seamless fiber–terahertz-wave system in the 300 GHz band. The system utilizes a simple optical heterodyning method at the transmitter and a direct detection at the receiver. As a proof-of-concept demonstration, we successfully transmitted a 100-MHz bandwidth 5G new radio compliant signal at 24.5 GHz over a seamless fiber-terahertz system in the 300 GHz band. The proposed system is promising to facilitate the deployment of ultra-dense small cells in high-frequency bands in 5G and beyond networks.","PeriodicalId":127318,"journal":{"name":"2022 IEEE International Topical Meeting on Microwave Photonics (MWP)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133838639","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 : 2022-10-01DOI: 10.1109/MWP54208.2022.9997655
Yu Huang, K. Zeb, Guocheng Liu, P. Poole, Xiupu Zhang, Zhenguo Lu, Ke Wu, J. Yao
We experimentally demonstrate a duplex millimeter-wave-over-fiber (MMWoF) link for duplex wireless communications using a free-running InAs/InP quantum-dash passively-mode-locked laser (QD-MLL) as a light source. The QD-MLL is able to generate a frequency comb with a comb spacing of 0.2 nm (25.08 GHz). In the downlink, a microwave vector signal at 3 GHz is modulated on one comb line and transmitted with an adjacent comb line to a remote radio unit over a 10-km single-mode fiber. After detection at a photodetector, a microwave vector signal at an up-converted frequency of 28 GHz is generated and radiated to achieve 2-m wireless transmission. In the uplink, a microwave vector signal at 28 GHz is down converted to 3 GHz and modulated on a reused comb line and transmitted to the central office over the same fiber link. The performance in terms of the error vector magnitudes and bit error rates is evaluated experimentally.
{"title":"Duplex Millimeter-Wave Over Fiber Link Using an InAs/InP Quantum-Dash Mode-Locked Laser","authors":"Yu Huang, K. Zeb, Guocheng Liu, P. Poole, Xiupu Zhang, Zhenguo Lu, Ke Wu, J. Yao","doi":"10.1109/MWP54208.2022.9997655","DOIUrl":"https://doi.org/10.1109/MWP54208.2022.9997655","url":null,"abstract":"We experimentally demonstrate a duplex millimeter-wave-over-fiber (MMWoF) link for duplex wireless communications using a free-running InAs/InP quantum-dash passively-mode-locked laser (QD-MLL) as a light source. The QD-MLL is able to generate a frequency comb with a comb spacing of 0.2 nm (25.08 GHz). In the downlink, a microwave vector signal at 3 GHz is modulated on one comb line and transmitted with an adjacent comb line to a remote radio unit over a 10-km single-mode fiber. After detection at a photodetector, a microwave vector signal at an up-converted frequency of 28 GHz is generated and radiated to achieve 2-m wireless transmission. In the uplink, a microwave vector signal at 28 GHz is down converted to 3 GHz and modulated on a reused comb line and transmitted to the central office over the same fiber link. The performance in terms of the error vector magnitudes and bit error rates is evaluated experimentally.","PeriodicalId":127318,"journal":{"name":"2022 IEEE International Topical Meeting on Microwave Photonics (MWP)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133964595","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 : 2022-10-01DOI: 10.1109/MWP54208.2022.9997723
G. Dangoisse, P. Berger, V. Crozatier, F. van Dijk, C. Caillaud, M. Verdun, Nadège Le Grand, Xavier Prat, G. Canat
Thanks to the development of high power uni-travelling-carrier photodiodes, we studied optoelectronic oscillators architectures with optical gain. We compared the phase noise performances with two different optical amplifiers, based on erbium-doped fiber or semiconductor. Optical intensity noise is the main limitation for the phase noise, both at low and high offset frequencies. With a semiconductor optical amplifier, ultra-low phase noise is reached with equivalent performances from 8 to 15 GHz.
{"title":"Analysis of the phase noise contributions in optoelectronic oscillator with optical gain","authors":"G. Dangoisse, P. Berger, V. Crozatier, F. van Dijk, C. Caillaud, M. Verdun, Nadège Le Grand, Xavier Prat, G. Canat","doi":"10.1109/MWP54208.2022.9997723","DOIUrl":"https://doi.org/10.1109/MWP54208.2022.9997723","url":null,"abstract":"Thanks to the development of high power uni-travelling-carrier photodiodes, we studied optoelectronic oscillators architectures with optical gain. We compared the phase noise performances with two different optical amplifiers, based on erbium-doped fiber or semiconductor. Optical intensity noise is the main limitation for the phase noise, both at low and high offset frequencies. With a semiconductor optical amplifier, ultra-low phase noise is reached with equivalent performances from 8 to 15 GHz.","PeriodicalId":127318,"journal":{"name":"2022 IEEE International Topical Meeting on Microwave Photonics (MWP)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129798356","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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