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Dual-Band Photonic Filters With Wide Tunable Range Using Chirped Sampled Gratings
IF 2.3 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2025-01-03 DOI: 10.1109/LPT.2025.3525549
Simeng Zhu;Bocheng Yuan;Weiqing Cheng;Yizhe Fan;Yiming Sun;Mohanad Al-Rubaiee;Jehan Akbar;John Marsh;Lianping Hou
{"title":"Dual-Band Photonic Filters With Wide Tunable Range Using Chirped Sampled Gratings","authors":"Simeng Zhu;Bocheng Yuan;Weiqing Cheng;Yizhe Fan;Yiming Sun;Mohanad Al-Rubaiee;Jehan Akbar;John Marsh;Lianping Hou","doi":"10.1109/LPT.2025.3525549","DOIUrl":"https://doi.org/10.1109/LPT.2025.3525549","url":null,"abstract":"We have developed a photonic filter featuring dual independently tunable passbands. Employing the reconstruction equivalent-chirp technique, we designed linearly chirped sampled Bragg gratings with two equivalent phase shifts positioned at 1/3 and 2/3 of the cavity, thus introducing two passbands in the \u0000<inline-formula> <tex-math>$+ 1^{text {st}}$ </tex-math></inline-formula>\u0000 channel. Leveraging the significant thermo-optic effect of silicon, dual-band tuning is achieved via micro-heaters integrated on the chip surface. By tuning the injection currents ranging from 0 to 35 mA into the micro-heaters, the filter exhibits a wide range of dual-wavelength filtering performance, with the frequency interval between the two passbands adjustable from 37.2 GHz to 186.1 GHz.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"37 3","pages":"169-172"},"PeriodicalIF":2.3,"publicationDate":"2025-01-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142938492","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
150 MHz, All-Polarization-Maintaining Fiber Integrated Figure-9 Femtosecond Laser
IF 2.3 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2025-01-03 DOI: 10.1109/LPT.2024.3523958
Haihao Cheng;Zhao Zhang;Xiaohong Hu;Ting Zhang;Ran Pan;Jing Jia;Yishan Wang;Shun Wu
{"title":"150 MHz, All-Polarization-Maintaining Fiber Integrated Figure-9 Femtosecond Laser","authors":"Haihao Cheng;Zhao Zhang;Xiaohong Hu;Ting Zhang;Ran Pan;Jing Jia;Yishan Wang;Shun Wu","doi":"10.1109/LPT.2024.3523958","DOIUrl":"https://doi.org/10.1109/LPT.2024.3523958","url":null,"abstract":"We accomplish a compact 150-MHz figure-9 Er:fiber laser through the use of a hybrid device of wavelength division multiplexer and phase shifter. By combining the time-independent rate equation and nonlinear Schrödinger equation, evolution of the intracavity field towards stable mode locking state is presented. We further quantify the output characteristics of the 150-MHz figure-9 laser. Explicitly, 5.8-mW average power, center wavelength of 1561.2 nm and 3-dB spectral bandwidth of 29.2 nm are obtained. More importantly, an integrated root-mean-square relative intensity noise of 0.0016% [1 Hz, 1 MHz] and 75.8 fs timing jitter [100 Hz, 1 MHz] are measured at the fundamental repetition rate. Moreover, by referencing to a stable radio frequency, the fundamental repetition rate is locked with an in-loop relative instability of \u0000<inline-formula> <tex-math>$2.78times 10^{-12}$ </tex-math></inline-formula>\u0000 at 1-s gate time.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"37 3","pages":"165-168"},"PeriodicalIF":2.3,"publicationDate":"2025-01-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142938493","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Classical and Quantum Experiments Using Hybrid Si3N₄-LiNbO₃ Photonic Chip
IF 2.3 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2025-01-03 DOI: 10.1109/LPT.2024.3525396
Hyungjun Heo;Kiwon Kwon;Donghwa Lee;Hyeong-Soon Jang;Sangin Kim;Heedeuk Shin;Yong-Su Kim;Sang-Wook Han;Hojoong Jung
{"title":"Classical and Quantum Experiments Using Hybrid Si3N₄-LiNbO₃ Photonic Chip","authors":"Hyungjun Heo;Kiwon Kwon;Donghwa Lee;Hyeong-Soon Jang;Sangin Kim;Heedeuk Shin;Yong-Su Kim;Sang-Wook Han;Hojoong Jung","doi":"10.1109/LPT.2024.3525396","DOIUrl":"https://doi.org/10.1109/LPT.2024.3525396","url":null,"abstract":"We fabricated various optical devices on a hybrid Si3N4–LiNbO3 platform for integrated quantum photonic circuits and observed Hong-Ou–Mandel (HOM) quantum interference. Strip-loaded waveguides were prepared via Si3N4 deposition on LiNbO3. Consequently, fundamental building blocks for quantum photonics, such as ring resonators, various beam splitters, and Mach-Zehnder interferometers, were fabricated and tested. Using 50:50 beam splitters, we observed HOM quantum interference and achieved a visibility of \u0000<inline-formula> <tex-math>$96.6~pm ~1.2$ </tex-math></inline-formula>\u0000% after the subtraction of accidental counts. More advanced quantum-integrated devices are expected to be realized using the proposed hybrid platform.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"37 3","pages":"173-176"},"PeriodicalIF":2.3,"publicationDate":"2025-01-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142940781","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Innovative Photocurable Resin-Based Cylindrical Microlens Fiber for Silicon Photonics Coupling
IF 2.3 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2024-12-30 DOI: 10.1109/LPT.2024.3524274
Chien-Wei Huang;Kai-Chieh Chang;Po-Lin Huang;Zhi Ting Ye;Chun-Nien Liu;Wood-Hi Cheng
{"title":"Innovative Photocurable Resin-Based Cylindrical Microlens Fiber for Silicon Photonics Coupling","authors":"Chien-Wei Huang;Kai-Chieh Chang;Po-Lin Huang;Zhi Ting Ye;Chun-Nien Liu;Wood-Hi Cheng","doi":"10.1109/LPT.2024.3524274","DOIUrl":"https://doi.org/10.1109/LPT.2024.3524274","url":null,"abstract":"High coupling efficiency with passive alignment of cylindrical microlens fiber fabricated by photocurable resin with simple process to achieve desired lens structure is presented. Optimal lens dimensions of 4-\u0000<inline-formula> <tex-math>$mu $ </tex-math></inline-formula>\u0000m upper base, 9-\u0000<inline-formula> <tex-math>$mu $ </tex-math></inline-formula>\u0000m lower base, and 12-\u0000<inline-formula> <tex-math>$mu $ </tex-math></inline-formula>\u0000m height were determined by simulation software. Despite mode conversion losses, maximum coupling efficiency reached 71.2%. Experimental results closely matched simulations of 67.6% coupling efficiency. A \u0000<inline-formula> <tex-math>$1.5~mu $ </tex-math></inline-formula>\u0000m offset in the X-Y plane, defined within a Cartesian coordinate system, resulted in a measured 3-dB efficiency drop. Compared to microlens fiber with grinding processes, the microlens fibers offer improved efficiency and tolerance. The proposed microlens fibers with array setups could reduce alignment time and cost during packaging, suggesting applications in silicon light modules, optical radar, and biomedical measurements.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"37 3","pages":"177-180"},"PeriodicalIF":2.3,"publicationDate":"2024-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142940918","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Parametric Study of Chaotic Combs for High-Rate Random Number Generation
IF 2.3 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2024-12-25 DOI: 10.1109/LPT.2024.3522239
Omnia Nawwar;Kaoru Minoshima;Naoya Kuse
{"title":"Parametric Study of Chaotic Combs for High-Rate Random Number Generation","authors":"Omnia Nawwar;Kaoru Minoshima;Naoya Kuse","doi":"10.1109/LPT.2024.3522239","DOIUrl":"https://doi.org/10.1109/LPT.2024.3522239","url":null,"abstract":"Ultrafast physical random bit generators (RBGs) underpin numerous critical applications, from secure communications to computational simulations. Microresonator-based frequency combs in a chaotic state have emerged as a promising source of high-speed random bit sequences, as each comb tooth acts as an independent random bit source. This letter presents the effect of different chaotic comb characteristics on the RBG rate. A parametric study based on the Lugiato-Lefever Equation (LLE) has been implemented to study the effect of RF bandwidth, optical bandwidth (depending on the pump power and linewidth of a microresonator), and sampling rate on the generation rate. By analyzing these results, we establish guidelines for choosing the comb parameters that maximize bit generation rates.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"37 3","pages":"153-156"},"PeriodicalIF":2.3,"publicationDate":"2024-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142918529","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Quantum Noise Stream Cipher Scheme Based on 3-Channel-QAM With 3D Mapping and DFTs-OFDM
IF 2.3 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2024-12-25 DOI: 10.1109/LPT.2024.3512195
Mingrui Zhang;Yajie Li;Shuang Wei;Haokun Song;Yixin Wang;Yongli Zhao;Jie Zhang
{"title":"Quantum Noise Stream Cipher Scheme Based on 3-Channel-QAM With 3D Mapping and DFTs-OFDM","authors":"Mingrui Zhang;Yajie Li;Shuang Wei;Haokun Song;Yixin Wang;Yongli Zhao;Jie Zhang","doi":"10.1109/LPT.2024.3512195","DOIUrl":"https://doi.org/10.1109/LPT.2024.3512195","url":null,"abstract":"In this letter, we conduct an experiment of quantum noise stream cipher scheme based on 3-channel-QAM mapping and DFTs-OFDM in optical back-to-back and 160km standard single mode fiber. The fusion of 3D mapping and DFTs-OFDM offers sufficient security for QAM/QNSC within the dual polarization I/Q modulator system. Notably, the proposed 3D-mapping approach demonstrates improved minimum Euclidean distance and bit error rate performance compared to conventional 2D mapping. Experimental results confirm that our 3-channel-QAM/QNSC system achieves better transmission and higher security performance at the same base length than conventional QAM/QNSC.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"37 3","pages":"141-144"},"PeriodicalIF":2.3,"publicationDate":"2024-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142905711","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ultrasensitive Strain Sensor Based on V-Groove Structure Long-Period Fiber Grating
IF 2.3 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2024-12-20 DOI: 10.1109/LPT.2024.3520812
Taian Yin;Xuelan He;Jing Yang;Yuan Jin;Yan Liu;Shan Gao;Peng Ye;Jinhui Shi;Libo Yuan;Chunying Guan
{"title":"Ultrasensitive Strain Sensor Based on V-Groove Structure Long-Period Fiber Grating","authors":"Taian Yin;Xuelan He;Jing Yang;Yuan Jin;Yan Liu;Shan Gao;Peng Ye;Jinhui Shi;Libo Yuan;Chunying Guan","doi":"10.1109/LPT.2024.3520812","DOIUrl":"https://doi.org/10.1109/LPT.2024.3520812","url":null,"abstract":"We propose and experimentally demonstrate an ultrasensitive strain sensor based on a V-groove structure long-period fiber grating (V-LPFG). The V-LPFG is fabricated by using CO2 laser to etch periodic V-groove structures on a standard single-mode fiber. Utilizing the periodic V-grooves, effectively enhancing the strain sensitivity of LPFG. The effect of different V-groove depths on the strain sensitivity of V-LPFG are discussed. The experiment results show that the sensitivity of strain is up to -229.1 pm/\u0000<inline-formula> <tex-math>$mu varepsilon $ </tex-math></inline-formula>\u0000. In addition, the temperature response of the sensor is measured and the temperature sensitivity is 80.18 pm/°C. Its temperature-strain cross-sensitivity is as low as -\u0000<inline-formula> <tex-math>$0.35mu varepsilon $ </tex-math></inline-formula>\u0000/°C. The proposed ultrasensitive strain sensor has the good potential applications in engineering health monitoring and precision measurement due to its low cost, small size, simple fabrication, and high sensitivity.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"37 3","pages":"133-136"},"PeriodicalIF":2.3,"publicationDate":"2024-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142905715","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
LSPR-Based Optical Fiber Sensor Utilizing GO-ZnO Nanocomposite for Relative Humidity Measurement
IF 2.3 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2024-12-19 DOI: 10.1109/LPT.2024.3520207
Sunil Mohan;Fatima Banoo;Manish Singh Negi;Debabrata Paul
{"title":"LSPR-Based Optical Fiber Sensor Utilizing GO-ZnO Nanocomposite for Relative Humidity Measurement","authors":"Sunil Mohan;Fatima Banoo;Manish Singh Negi;Debabrata Paul","doi":"10.1109/LPT.2024.3520207","DOIUrl":"https://doi.org/10.1109/LPT.2024.3520207","url":null,"abstract":"This letter describes the development and characterization of a novel optical fiber relative humidity (RH) sensor leveraging Localized Surface Plasmon Resonance (LSPR). The sensor utilizes an in-house synthesized GO-ZnO nanocomposite (NC)-doped silica film coated on gold nanoparticle coated U-bend plastic-clad silica (PCS) fiber. It shows a linear response across a broad RH range of 15-90%, with a sensitivity of 0.1359 nm/%RH, and features rapid response and recovery times of 5s and 7s. The sensor’s response is fully reversible and repeatable.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"37 3","pages":"145-148"},"PeriodicalIF":2.3,"publicationDate":"2024-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142912521","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Shortwave Infrared Electro-Optic Frequency Combs Generation Based on Wideband Parametric Conversion
IF 2.3 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2024-12-19 DOI: 10.1109/LPT.2024.3520246
Weiyu Dai;Tongtong Xie;Shiwei Liu;Hongyan Fu;Jiahui Lin;Daru Chen
{"title":"Shortwave Infrared Electro-Optic Frequency Combs Generation Based on Wideband Parametric Conversion","authors":"Weiyu Dai;Tongtong Xie;Shiwei Liu;Hongyan Fu;Jiahui Lin;Daru Chen","doi":"10.1109/LPT.2024.3520246","DOIUrl":"https://doi.org/10.1109/LPT.2024.3520246","url":null,"abstract":"An all-fiber short-wave infrared electro-optic frequency combs (SWIR E-O combs) based on parametric amplification is proposed and experimentally demonstrated by converting the near-infrared combs into the shortwave infrared region. The SWIR E-O combs shows tunable central wavelength and spectral line spacing. Based on the simple combination of the fiber optical parametric amplifier and the Thulium-doped fiber amplifier directly pumped by C-band E-O combs, the power of SWIR E-O combs has been effectively enhanced. In addition, a section of single-mode fiber is used for pulse compression of the C-band E-O combs, and the 10 dB spectral width of the SWIR E-O combs is 17.81nm. The proposed SWIR combs with repetition rates of tens of GHz is of high interest for coherent communication and gas sensing in the SWIR region.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"37 3","pages":"149-152"},"PeriodicalIF":2.3,"publicationDate":"2024-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142905714","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
SOP Monitoring Using Time-Frequency Feature Extraction of the Polarization Tributary Powers
IF 2.3 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2024-12-18 DOI: 10.1109/LPT.2024.3519552
Linan Shan;Xiaoguang Zhang;Wanxin Zhao;Lixia Xi;Hu Zhang;Xiaosheng Xiao;Nan Cui
{"title":"SOP Monitoring Using Time-Frequency Feature Extraction of the Polarization Tributary Powers","authors":"Linan Shan;Xiaoguang Zhang;Wanxin Zhao;Lixia Xi;Hu Zhang;Xiaosheng Xiao;Nan Cui","doi":"10.1109/LPT.2024.3519552","DOIUrl":"https://doi.org/10.1109/LPT.2024.3519552","url":null,"abstract":"This letter proposes a comprehensive method to monitor the change speed of the state of polarization (SOP) for optical transmission systems. By using time-frequency feature extraction of the polarization tributary powers. The proposed method can be implemented either in the receiver digital signal processor (DSP) without using the MIMO module or at any fiber span nodes with simple hardware. It was validated in a 2000 km fiber link and can monitor within or exceeding 20 Mrad/s SOP change speed.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"37 3","pages":"157-160"},"PeriodicalIF":2.3,"publicationDate":"2024-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142918530","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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