V. Kocharovsky, E. Kocharovskaya, Alexey B. Mishin, A. Seleznev, V. Kocharovsky
{"title":"Double Resonance and Coherent Parametric Self-Mode-Locking in CW Superradiant Lasing","authors":"V. Kocharovsky, E. Kocharovskaya, Alexey B. Mishin, A. Seleznev, V. Kocharovsky","doi":"10.1109/PN52152.2021.9597853","DOIUrl":"https://doi.org/10.1109/PN52152.2021.9597853","url":null,"abstract":"We find an intriguing regime of simultaneous emission of two power trains of superradiant pulses and soliton-like pulses in a class C laser with a low-Q combined cavity that supports two broadband superradiant modes and many quasi-monochromatic self-locked modes under the condition of double resonance when (i) the latter modes have an intermode spacing two times less than a frequency spacing between the superradiant modes and (ii) a pulse-repetition interval in an oscillogram of each superradiant mode is multiple of a pulse-repetition cycle of the self-mode-locking solitons, i.e., a cavity round-trip period.","PeriodicalId":6789,"journal":{"name":"2021 Photonics North (PN)","volume":"7 1","pages":"1-1"},"PeriodicalIF":0.0,"publicationDate":"2021-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77533468","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}
J. Malone, S. Lam, A. L. Buenconsejo, G. Hohert, J. McAlpine, Dianne Miller, Marette H Lee, P. Lane, Calum MacAulay
{"title":"Endoscopic optical coherence tomography and autofluorescence imaging of the endocervical canal for cervical cancer detection","authors":"J. Malone, S. Lam, A. L. Buenconsejo, G. Hohert, J. McAlpine, Dianne Miller, Marette H Lee, P. Lane, Calum MacAulay","doi":"10.1109/PN52152.2021.9597973","DOIUrl":"https://doi.org/10.1109/PN52152.2021.9597973","url":null,"abstract":"Cervical cancer continues to be a significant global health burden as one of the most frequently diagnosed and fatal cancers, ranking fourth in both categories globally in 2020 [1]. Although there is an effective vaccine which will hopefully reduce the future burden of cervical cancers, there remains a need for screening programs as early detection and treatment drastically improves patient outcomes.","PeriodicalId":6789,"journal":{"name":"2021 Photonics North (PN)","volume":"438 1","pages":"1-1"},"PeriodicalIF":0.0,"publicationDate":"2021-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76955577","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}
Essam Berikaa, Santiago Bernal, Y. D’Mello, Deng Mao, D. Plant
{"title":"Misalignment-Tolerant Ultra-Broadband Edge Coupler Based on 10 Inverse Tapers","authors":"Essam Berikaa, Santiago Bernal, Y. D’Mello, Deng Mao, D. Plant","doi":"10.1109/PN52152.2021.9597847","DOIUrl":"https://doi.org/10.1109/PN52152.2021.9597847","url":null,"abstract":"We report a compact 10-tip inverse tapered edge coupler design for silicon photonics integrated circuits that has a coupling efficiency of -0.72 dB at 1310 nm and -1.12 dB at 1550 nm considering a TE-polarized 3 $mu mathrm{m}$ MFD source. 3D-FDTD simulations show that the design exhibit a 1-dB bandwidth of more than 400 nm for both TE and TM modes with polarization-dependent loss less than 0.4 dB and 1-dB horizontal misalignment tolerance of 2.35 $mu mathrm{m}$.","PeriodicalId":6789,"journal":{"name":"2021 Photonics North (PN)","volume":"13 1","pages":"1-1"},"PeriodicalIF":0.0,"publicationDate":"2021-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78372640","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}
Ankit Udai, Tarni Aggarwal, Vikas Pendem, S. Ganguly, D. Saha
{"title":"Determining the carrier decay kinetics in QCSE-exhibiting materials: An accurate interpretation of transient absorption spectroscopy data","authors":"Ankit Udai, Tarni Aggarwal, Vikas Pendem, S. Ganguly, D. Saha","doi":"10.1109/PN52152.2021.9597914","DOIUrl":"https://doi.org/10.1109/PN52152.2021.9597914","url":null,"abstract":"Carrier dynamics is fundamental in the optimal performance of optoelectronic devices. TAS experiments can be used to study carrier dynamics at a particular wavelength. However, the $Delta alpha$ kinetics in QCSE-exhibiting materials turns out to be only approximate. This paper proposes a more accurate method to determine carrier dynamics.","PeriodicalId":6789,"journal":{"name":"2021 Photonics North (PN)","volume":"29 1","pages":"1-1"},"PeriodicalIF":0.0,"publicationDate":"2021-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81224309","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}
S. Murshid, A. Atieh, Ming-Hsu Tu, S. Harish, C. Su
{"title":"Simulation of SDM Channels Using OptiSystem","authors":"S. Murshid, A. Atieh, Ming-Hsu Tu, S. Harish, C. Su","doi":"10.1109/PN52152.2021.9597978","DOIUrl":"https://doi.org/10.1109/PN52152.2021.9597978","url":null,"abstract":"This presents the architecture, setup, and simulated results for a four-channel optical communications system that uses spatial domain multiplexing (SDM) in single-core optical fibers using commercially available OptiSystem software. The system components layout, simulated results, eye diagrams and the system bit error ratio (BER) for the individual channels are presented.","PeriodicalId":6789,"journal":{"name":"2021 Photonics North (PN)","volume":"8 1","pages":"1-1"},"PeriodicalIF":0.0,"publicationDate":"2021-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82052682","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}
P. Long, Q. Goher, M. Comanici, Lawrence R. Chen, M. Soltanian
{"title":"1020 nm Pulsed Fiber Laser for High Efficiency Second Harmonic Generation","authors":"P. Long, Q. Goher, M. Comanici, Lawrence R. Chen, M. Soltanian","doi":"10.1109/PN52152.2021.9597895","DOIUrl":"https://doi.org/10.1109/PN52152.2021.9597895","url":null,"abstract":"We demonstrate second harmonic generation in a temperature-controlled MgO:PPLN crystal to obtain an output at 510 nm from a high-power polarization maintaining (PM) mode-locked fiber laser at 1020 nm with 35% conversion efficiency.","PeriodicalId":6789,"journal":{"name":"2021 Photonics North (PN)","volume":"39 1","pages":"1-1"},"PeriodicalIF":0.0,"publicationDate":"2021-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84744721","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}
M. Dhouibi, S. Haffouz, J. Jin, L. Giner, K. Mnaymneh, P. Poole, D. Dalacu, A. Kalboussi, R.L. Williams
{"title":"Temperature-dependent photoluminescence of a dot-in-a-rod nanowire emitting at 1310nm","authors":"M. Dhouibi, S. Haffouz, J. Jin, L. Giner, K. Mnaymneh, P. Poole, D. Dalacu, A. Kalboussi, R.L. Williams","doi":"10.1109/PN52152.2021.9597966","DOIUrl":"https://doi.org/10.1109/PN52152.2021.9597966","url":null,"abstract":"We report on temperature-dependent photoluminescence properties of a single $mathbf{In} mathbf{A s}_{mathbf{x}} mathbf{P}_{1-mathbf{x}} / mathbf{In} mathbf{A s} mathbf{y} mathbf{P}_{1-mathbf{y}}$ quantum dot-in-a-rod (DROD) nanowire emitting at 1310 nm. We will discuss the variation of the emission intensity, linewidth, peak energy and decay time of the exciton peak as a function of the temperature in the 4 - 120 K range. Strong emission from the DROD nanowire at 300 K is also observed. A relative quantum yield of about 61 % is measured at room temperature.","PeriodicalId":6789,"journal":{"name":"2021 Photonics North (PN)","volume":"54 1","pages":"1-1"},"PeriodicalIF":0.0,"publicationDate":"2021-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83827531","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}
H. Guerboukha, Yasith Amarasinghe, R. Shrestha, A. Pizzuto, D. Mittleman
{"title":"Terahertz Metallic Metasurfaces Prototyping Using Hot Stamping","authors":"H. Guerboukha, Yasith Amarasinghe, R. Shrestha, A. Pizzuto, D. Mittleman","doi":"10.1109/PN52152.2021.9597989","DOIUrl":"https://doi.org/10.1109/PN52152.2021.9597989","url":null,"abstract":"We present a very simple, rapid and low-cost prototyping technique to make metallic 2D patterns for the terahertz range. We demonstrate arrays of split-ring resonators and wire-grid polarizers.","PeriodicalId":6789,"journal":{"name":"2021 Photonics North (PN)","volume":"64 1","pages":"1-1"},"PeriodicalIF":0.0,"publicationDate":"2021-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85226467","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}
M. Mansourian, M. Zhuldybina, X. Ropagnol, N. D. Trinh, C. Bois, F. Blanchard
{"title":"Fabrication and charactrization of a terahertz polarizer from a roll-to-roll printer","authors":"M. Mansourian, M. Zhuldybina, X. Ropagnol, N. D. Trinh, C. Bois, F. Blanchard","doi":"10.1109/PN52152.2021.9597903","DOIUrl":"https://doi.org/10.1109/PN52152.2021.9597903","url":null,"abstract":"In this work, we have manufactured by industrial roll-to-roll press and characterized a printed polarizer working in the terahertz frequency range. A high degree of polarizability is found for frequencies up to 0.7 THz. An improvement in performance is demonstrated by the addition of a second polarizer layer.","PeriodicalId":6789,"journal":{"name":"2021 Photonics North (PN)","volume":"22 1","pages":"1-1"},"PeriodicalIF":0.0,"publicationDate":"2021-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82063633","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}
I. Alamgir, Md Hosne Mobarok Shamim, W. Correr, Y. Messaddeq, M. Rochette
{"title":"Supercontinuum enhancement in dispersion-varying chalcogenide taper","authors":"I. Alamgir, Md Hosne Mobarok Shamim, W. Correr, Y. Messaddeq, M. Rochette","doi":"10.1109/PN52152.2021.9597941","DOIUrl":"https://doi.org/10.1109/PN52152.2021.9597941","url":null,"abstract":"We experimentally demonstrate that a supercontinuum becomes further broadened by using a dispersion varying nonlinear medium. Compared to constant dispersion designs, a power enhancement of 4.3 dB and bandwidth extension of 262 nm are obtained.","PeriodicalId":6789,"journal":{"name":"2021 Photonics North (PN)","volume":"1 1","pages":"1-1"},"PeriodicalIF":0.0,"publicationDate":"2021-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87769946","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}