Rie Iwatsuki, H. Ishiguro, Maho Fujita, S. Kamiyama, M. Iwaya, T. Takeuchi, K. Nagata, K. Okuno, Y. Saito
{"title":"Interference effect in deep-ultraviolet light emitting diodes with p-AlGaN contact layers and ITO/Al electrodes","authors":"Rie Iwatsuki, H. Ishiguro, Maho Fujita, S. Kamiyama, M. Iwaya, T. Takeuchi, K. Nagata, K. Okuno, Y. Saito","doi":"10.23919/ISLC52947.2022.9943398","DOIUrl":"https://doi.org/10.23919/ISLC52947.2022.9943398","url":null,"abstract":"We investigated light output power (LOP) values of AlGaN-based deep ultraviolet LEDs with transparent $mathrm{p}^{+}$ -AlGaN contact layers and inexpensive ITO/Al electrodes as a function of p-layer thickness. The measured LOP values were increased as the p-layer thickness was decreased. This increase was due to the interference effect. Further reduction of the internal absorption could improve the LOP of the LEDs.","PeriodicalId":443954,"journal":{"name":"2022 28th International Semiconductor Laser Conference (ISLC)","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124940544","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}
K. Suga, K. Nakahara, S. Hayakawa, M. Arasawa, R. Washino, T. Kitatani, Masatoshi Mitaki, H. Sakamoto, Shigehisa Tanaka
{"title":"128-Gb/s PAM-4 Uncooled $boldsymbol{(25^{mathrm{o}}mathrm{C}-70^{mathrm{o}}mathrm{C})}$ Direct Modulation of $boldsymbol{1.3-mu mathrm{m}}$ DFB BH Lasers","authors":"K. Suga, K. Nakahara, S. Hayakawa, M. Arasawa, R. Washino, T. Kitatani, Masatoshi Mitaki, H. Sakamoto, Shigehisa Tanaka","doi":"10.23919/ISLC52947.2022.9943488","DOIUrl":"https://doi.org/10.23919/ISLC52947.2022.9943488","url":null,"abstract":"High relaxation oscillation frequency of 38.1 and 25.4 GHz at $25^{circ}mathrm{C}$ and $85^{circ}mathrm{C}$ and small leak current with improved SR-LBH lasers were achieved. Clear eye openings of 128-Gb/s PAM-4 uncooled $(25^{mathrm{o}}mathrm{C} text{to} 70^{mathrm{o}}mathrm{C})$ direct modulation were demonstrated for the first time.","PeriodicalId":443954,"journal":{"name":"2022 28th International Semiconductor Laser Conference (ISLC)","volume":"66 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116616041","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}
Yutaka Onish, Satoshi Abe, K. Fujisawa, T. Naruke, K. Nishi, K. Takemasa
{"title":"High Power, Optical Feedback- Tolerant 1310 nm Quantum Dot DFB Lasers","authors":"Yutaka Onish, Satoshi Abe, K. Fujisawa, T. Naruke, K. Nishi, K. Takemasa","doi":"10.23919/ISLC52947.2022.9943445","DOIUrl":"https://doi.org/10.23919/ISLC52947.2022.9943445","url":null,"abstract":"We have developed 1310 nm high power quantum dot distributed feedback lasers. Optical output power of >40 m W at $85^{circ}mathrm{C}$ was achieved with sidemode suppression ratio of >50 dB. Stable relative intensity noise against external optical feedback was observed under high power operation.","PeriodicalId":443954,"journal":{"name":"2022 28th International Semiconductor Laser Conference (ISLC)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122267806","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. Micheletti, U. Senica, A. Forrer, S. Cibella, G. Torrioli, M. Beck
{"title":"Bullseye antenna-coupled THz ring quantum cascade laser for frequency comb operation","authors":"P. Micheletti, U. Senica, A. Forrer, S. Cibella, G. Torrioli, M. Beck","doi":"10.23919/ISLC52947.2022.9943329","DOIUrl":"https://doi.org/10.23919/ISLC52947.2022.9943329","url":null,"abstract":"We report comb operation of RF injected ring Quantum Cascade Lasers. A coupled waveguide approach is implemented for dispersion compensation while a passive bullseye antenna improves the device power extraction and far-field pattern. Phase sensitive measurements are presented which hint at the presence of a soliton state.","PeriodicalId":443954,"journal":{"name":"2022 28th International Semiconductor Laser Conference (ISLC)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132436305","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}
F. Albeladi, S. Gillgrass, J. Nabialek, P. Mishra, R. Forrest, T. R. Albiladi, S. Shutts, M. Tang, H. Liu, P. Smowton
{"title":"Multi-mode Interference Reflector based InAs-QD Laser","authors":"F. Albeladi, S. Gillgrass, J. Nabialek, P. Mishra, R. Forrest, T. R. Albiladi, S. Shutts, M. Tang, H. Liu, P. Smowton","doi":"10.23919/ISLC52947.2022.9943389","DOIUrl":"https://doi.org/10.23919/ISLC52947.2022.9943389","url":null,"abstract":"InAs quantum dot multi-mode-interference-reflector (MMIR) lasers, based on a 1-port MMIR and a single cleaved reflector, are designed, fabricated, and characterized to demonstrate capability for optoelectronic-integrated-circuits. Threshold current densities are less than 40% of those in cleaved-cleaved ridge waveguide lasers of the same cavity length.","PeriodicalId":443954,"journal":{"name":"2022 28th International Semiconductor Laser Conference (ISLC)","volume":"71 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134538052","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}
R. Suzuki, K. Harasaka, Y. Maita, Naofumi Ueno, N. Jikutani
{"title":"Operation characteristics on short pulse below 100 ps based on transverse mode control with free carrier effect in an oxide-confined VCSEL","authors":"R. Suzuki, K. Harasaka, Y. Maita, Naofumi Ueno, N. Jikutani","doi":"10.23919/ISLC52947.2022.9943521","DOIUrl":"https://doi.org/10.23919/ISLC52947.2022.9943521","url":null,"abstract":"a single short pulse laser output below 100 ps is demonstrated with $Gamma$ -switch VCSEL. Short pulse is realized by controlling the transverse mode distribution by free carrier plasma effect in oxide confined VCSEL. Pulse train is also demonstrated with tuning electric amplitude.","PeriodicalId":443954,"journal":{"name":"2022 28th International Semiconductor Laser Conference (ISLC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130859207","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. Buchgeister, M. Drechsler, F. Lohof, C. Gies, A. Koulas-Simos, K. Laiho, G. Sinatkas, T. Zhang, J. Xu, Q. Kan, R. K. Zhang, C. Ning, S. Reitzenstein, W. Chow, F. Jahnke
{"title":"Quantum Optical Investigation of Metallic Nanocavity Multiple Quantum Well Nanolasers","authors":"J. Buchgeister, M. Drechsler, F. Lohof, C. Gies, A. Koulas-Simos, K. Laiho, G. Sinatkas, T. Zhang, J. Xu, Q. Kan, R. K. Zhang, C. Ning, S. Reitzenstein, W. Chow, F. Jahnke","doi":"10.23919/ISLC52947.2022.9943328","DOIUrl":"https://doi.org/10.23919/ISLC52947.2022.9943328","url":null,"abstract":"In this work we present a microscopic theory based on a cavity QED semiconductor model to investigate the emission of InGaAsP-based metallic cavity nanolasers. The consistent approach of modelling the interplay of quantum optical and semiconductor effects allows for excellent agreement with pump-power dependant experimental results.","PeriodicalId":443954,"journal":{"name":"2022 28th International Semiconductor Laser Conference (ISLC)","volume":"96 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130970177","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}
B. Knipfer, D. Hoerr, Maryam Farzaneh, J. Ryu, M. Turville-Heitz, L. Mawst, D. Botez, T. Earles, S. Ruder, C. Galstad, M. Klaus, K. Oresick, R. Marsland
{"title":"Beam Properties of High-Power Reliable Mid-IR Quantum Cascade Lasers after 1300 Hours of Aging","authors":"B. Knipfer, D. Hoerr, Maryam Farzaneh, J. Ryu, M. Turville-Heitz, L. Mawst, D. Botez, T. Earles, S. Ruder, C. Galstad, M. Klaus, K. Oresick, R. Marsland","doi":"10.23919/ISLC52947.2022.9943402","DOIUrl":"https://doi.org/10.23919/ISLC52947.2022.9943402","url":null,"abstract":"Quantum cascade lasers emitting in the mid-infrared have demonstrated extremely stable and reliable single-spatialmode operation. For the first time, we present the beam quality data of devices before and after 1300 hours of aging at high optical-power densities as well as high current densities.","PeriodicalId":443954,"journal":{"name":"2022 28th International Semiconductor Laser Conference (ISLC)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116004543","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}
K. Iwanag, W. Masuda, A. Matsumoto, N. Yamamoto, T. Kita
{"title":"Quantum Dot SiPh Hybrid Wavelength Tunable Laser Diode with 100 nm Tunable Range","authors":"K. Iwanag, W. Masuda, A. Matsumoto, N. Yamamoto, T. Kita","doi":"10.23919/ISLC52947.2022.9943388","DOIUrl":"https://doi.org/10.23919/ISLC52947.2022.9943388","url":null,"abstract":"We fabricated a 100 nm broadband hybrid wavelength tunable laser diode using a silicon photonics wavelength filter and a quantum-dot semiconductor optical amplifier (QD-SOA). Wavelength filter consists of double ring resonators using curved directional couplers.","PeriodicalId":443954,"journal":{"name":"2022 28th International Semiconductor Laser Conference (ISLC)","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128208784","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}
T. Tanbun-ek, Z. Xu, D. Tishinin, M. Kelemen, J. Gilly
{"title":"High-power, high-brightness shortwave infrared lasers","authors":"T. Tanbun-ek, Z. Xu, D. Tishinin, M. Kelemen, J. Gilly","doi":"10.23919/ISLC52947.2022.9943502","DOIUrl":"https://doi.org/10.23919/ISLC52947.2022.9943502","url":null,"abstract":"High-power spatially single-mode diode lasers at 15xx nm wavelengths are of interest for Light Detection and Ranging (LIDAR) at eye-safe wavelengths, as pump lasers for Raman and rare-earth doped fiber amplifiers as well as for material processing. A cost-efficient way to realize high-power in combination with high brightness is the tapered resonator concept. We have grown by MOCVD InGaAsP/InP based diode lasers and tapered amplifiers with fast axis far fields of $36^{circ}$ FWHM and wavelengths around 1550 nm. CW output power of more than 3.7W for tapered lasers and 2.3W for tapered amplifiers in MOPA configuration have been demonstrated.","PeriodicalId":443954,"journal":{"name":"2022 28th International Semiconductor Laser Conference (ISLC)","volume":"25 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128373967","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}