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2023

C. Shen, J.  Ye, N. Peserico, Y. Gui, C. Dong, H. Kang, B. M. Nouri, H. Wang, E. Heidari, V. J. Sorger, and H. Dalir "Enhancing Focusing and Defocusing Capabilities with a Dynamically Reconfigurable Metalens Utilizing Sb2Se3 Phase-Change Material" Nanomaterials 13, no. 14: 2106. (2023) https://doi.org/10.3390/nano13142106

J. Meng, Y. Gui, B. M. Nouri, X. Ma, Y. Zhang, C-C. Popescu, M. Kang, M. Miscuglio, N. Peserico, K. Richardson, J. Hu, H. Dalir and V. J. Sorger "Electrical programmable multilevel nonvolatile photonic random-access memory." Nature: Light: Science & Applications 12, no. 1 (2023): 189.

A. D. Rizi, A. Roy, R. Noor, H. Kang, N. Varshney, K. Jacob, S. R. Jimenez, N. Edwards, V.J Sorger, H. Dalir, and N. Asadizanjani “From Talent Shortage to Workforce Excellence in the CHIPS Act Era: Harnessing Industry 4.0 Paradigms for a Sustainable Future in Domestic Chip Production” arXiv preprint arXiv:2308.00215 (2023).

H. Wang, C. Dong, Y. Gui, J. Ye, S. Altaleb, M. Thomaschewski, B. Movahhed Nouri,C. Patil, H. Dalir , and V.J. Sorger “Self-Powered Sb2Te3/MoS2 Heterojunction Broadband Photodetector on Flexible Substrate from Visible to Near Infrared”. Nanomaterials; 13(13):1973 (2023)

M. S. Gorgone, H. Kang, B.  M. Nouri, H. Dalir, and V. J. Sorger “Hashing for secure optical information compression in a heterogeneous convolutional neural network” Applied Physics Reviews 10, 021412 (2023)

C. Shen, N. Peserico, J. Meng, X. Ma, B. Movahhed Nouri, C. C. Popescu, J. Hu, T. El-Ghazawi, H. Dalir, and V. J. Sorger “Reconfigurable Application-Specific Photonic Integrated Circuit for solving Partial Differential Equations” Laser & Photonics Reviews, accepted (2023).

H. Dalir “Photonics ASICs: a promising approach toward high throughput, short latency, and parallelized computing hardware”, Proc. SPIE PC12438, AI and Optical Data Sciences IV, PC124380A (17 March 2023); https://doi.org/10.1117/12.2650978

2022

E. Heidari*, H. Dalir*, F. Mokhtari Koushyar , B. Movahhed Nouri , C. Patil , M. Miscuglio , D. Akinwande, and V. J. Sorger “Integrated ultra-high-performance graphene optical modulator” Nanophotonics,11(17): 4011–4016 (2022).*Equal Co-first

H. Wang, V. J. Sorger and H. Dalir, “Plasmonic Slot Waveguide – Integrated MoTe2 Photodetector with 30-GHz Bandwidth at Telecom Wavelength,” 2022 IEEE Photonics Conference (IPC), Vancouver, BC, Canada, 2022, pp. 1-2, doi: 10.1109/IPC53466.2022.9975520

M. Ahmed, A. Bakry, H. Dalir, and E. Shaaban, “Copper effect on cadmium sulfide thin films for spintronics: microstructures, morphological, photoluminescence and magnetic propertiesChalcogenide Letters 19, 11, 785-792 (2022).

C. Patil, C. Dong, H. Wang, B. Movahhed Nouri, S. Krylyuk, H. Zhang, A. V. Davydov, H. Dalir, and V. J. Sorger. “Self-driven highly responsive p-n junction InSe heterostructure near-infrared light detector”. Photonics Research 10:7, A97 (2022).

C. Patil, H. Dalir, J. H. Kang, A. Davydov, C. Wei Wong, and V. J. Sorger, “Highly accurate, reliable, and non-contaminating two-dimensional material transfer system” Applied Physics Reviews 9, 011419 (2022).

Y. Gui, Yaliang, B. Movahhed Nouri, M. Miscuglio, R. Amin, H. Wang, J. Khurgin, H. Dalir, and V. J. Sorger, “100 GHz micrometer-compact broadband monolithic ITO Mach–Zehnder interferometer modulator enabling 3500 times higher packing density” Nanophotonics, 11, 17, 4001-4009 (2022).

V. Kaushik, S. Rajput, S. Srivastav, L. Singh, P. Babu, E. Heidari, M. Ahmed, Y. Al-Hadeethi, Yas, H. Dalir, V. J. Sorger, and M. Kumar. “On-chip nanophotonic broadband wavelength detector with 2D-Electron gas: Nanophotonic platform for wavelength detection in visible spectral region” Nanophotonics, 11, 2, 289-296 (2022).

H. Wang, Y. Gui, C. Dong, S. Altaleb, B. Movahhed Nouri, M. Thomaschewski, and H. Dalir, and V. J. Sorger, “Self-powered broadband photodetector based on MoS2/Sb2Te3 heterojunctions: a promising approach for highly sensitive detection” Nanophotonics, 11, 22, 5113-5119 (2022).

M. Ahmed,  A. Bakry, H. Dalir, and E. R. Shaaban. “Structural, optical and magnetic properties of dilute magnetic semiconductor of Zn 1-x Ni x O thin films for spintronic devices.” Journal of Ovonic Research 18, no. 6 (2022).

M. Ahmed,  A. Bakry, H. Dalir, and E. R. Shaaban. “Copper effect on cadmium sulfide thin films for spintronics: microstructures, morphological, photoluminescence and magnetic properties.” Chalcogenide Letters 19, no. 11 (2022).

B. M. Nouri and H. Dalir “Challenges and opportunities in 2D materials for optical modulation/detection”, Proc. SPIE PC12200, Low-Dimensional Materials and Devices 2022, PC122000F (3 October 2022); https://doi.org/10.1117/12.2639333

2021

R. Amin, J. K. George1, H. Wang, R. Maiti, Z. Ma, H. Dalir, J. B. Khurgin, and V. J. Sorger “An ITO–graphene heterojunction integrated absorption modulator on Si-photonics for neuromorphic nonlinear activation” APL Photonics 6, 120801 (2021).

A. Rostamian, E. Madadi-Kandjani, H. Dalir, V. J. Sorger, and R. Chen “Towards lab-on-chip ultrasensitive ethanol detection using photonic crystal waveguide operating in the mid-infrared” Nanophotonics, 10, 6, 1675-1682 (2021).

M Ahmed, A Bakry, ER Shaaban, and H. Dalir “Reduction of bandgap of ITO film and possibility of use as a window layer by incorporation of copper” Journal of Ovonic Research 17,4 (2021).

M. Ahmed, A. Bakry, A., Alshahrie, and H. Dalir “Use of external optical feedback to stabilize multimode hopping and reduce intensity noise in long-wavelength semiconductor laser”. Optical and Quantum Electronics 53, 207 (2021).

M. Ahmed, A. Bakry, E. R Shaaban, and H. Dalir “Structural, electrical, and optical properties of ITO thin films and their influence on performance of CdS/CdTe thin-film solar cells”

Journal of Materials Science: Materials in Electronics 32, 11107–11118 (2021).

M. Ahmed, A. Bakry, A. Qasem, and H. Dalir “The main role of thermal annealing in controlling the structural and optical properties of ITO thin film layer” Optical Materials 113, 110866 (2021).

R. Amin, R. Maiti, Y. Gui, C. Suer, M. Miscuglio, E. Heidari, J. B Khurgin, and R. T Chen, H. Dalir, and V. J. Sorger “Heterogeneously integrated ITO plasmonic Mach–Zehnder

interferometric modulator on SOI” Nature Scientific Reports 11,1287 (2021).

E. Heidari*, M. Ahmed*, H. Dalir*, A. Bakry, A. Alshahrie, and V.J. Sorger, “VCSEL with multi- transverse cavities with bandwidth beyond 100 GHz” Nanophotonics, 10, 14, 3779-3788 (2021). *Equal Co-first

2020

M. Miscuglio, Z. Hu, S. Li, J. K George, R. Capanna, H. Dalir, P. M. Bardet, P. Gupta, and V. J. Sorger “Massively parallel amplitude-only Fourier neural network” Optica 7, 12, 1812-1819 (2020).

J. Midkiff, K. Min Yoo, J. Shin, H. Dalir, M. Teimourpour, and R. T Chen “Optical phased array beam steering in the mid-infrared on an InP-based platform” Optica 7, 11, 1544-1547 (2020).

A. Asghari, C. Wang, K. M. Yoo, H. Dalir, and R. T. Chen “Fast Accurate Point of Care COVID-19 Pandemic Diagnosis Enabled Through Advanced Lab-on-a-Chip Optical Biosensors: Opportunities and Challenges” Applied Physics Reviews 8, 031313 (2021) (2020).

M. Ahmed, Y. Al-Hadeethi, A. Bakry, H. Dalir, and V. J Sorger “Integrated Photonic FFT for Optical Convolutions towards Efficient and High-Speed Neural Networks” Nanophotonics, 9, 13, 4097-4108 (2020).

Y. Ying, C. Feng, Z. Zhao, S. Dhar, H. Dalir, J. Gu, Y. Cheng, R. Soref, D. Z. Pan, and R. T. Chen “Electronic-photonic arithmetic logic unit for high-speed computing” Nature Communications 11:2154 (2020).

R. Amin, R. Maiti, Y. Gui, C. Suer, M. Miscuglio, E. Heidari, R.T. Chen, H. Dalir, and V. J. Sorger “Sub-wavelength GHz-fast broadband ITO Mach–Zehnder modulator on silicon photonics,” Optica 7, 333-335 (2020).

K. Min Yoo, J. Midkiff, A. Rostamian, C. Chung, H. Dalir, and R. T. Chen “InGaAs Membrane Waveguide: A Promising Platform for Monolithic Integrated Mid-Infrared Optical Gas Sensor” ACS Sensor 5, 3, 861-869 (2020).

Z. Ma, K. Kikunaga, H. Wang, S. Sun, R. Amin, R. Maiti, M. H. Tahersima, H. Dalir, M. Miscuglio, and V. J. Sorger “Compact Graphene Plasmonic Slot Photodetector on Silicon-on-Insulator with High Responsivity” ACS Photonics, 7, 4, 932-940 (2020).

E. Heidari, H. Dalir, M. Ahmed, Volker J. Sorger and Ray T. Chen “Hexagonal transverse coupled cavity VCSEL redefining the high-speed lasers” Nanophotonics 2020; 9(16): 4743– 4748 (2020).

C-J Yang, H. Yan, N. Tang, Y. Zou, Y. Al-Hadeethi, X. Xu, H. Dalir, and R.T. Chen “Ultra Sensitivity Silicon-Based Photonic Crystal Microcavity Biosensors for Plasma Protein Detection in Patients with Pancreatic Cancer” Micromachines 11, 282 (2020).

R. Amin, R. Maiti, J. K. George, X. Ma, Z. Ma, H. Dalir, M. Miscuglio, and V. J. Sorger, “A Lateral MOS-Capacitor-Enabled ITO Mach–Zehnder Modulator for Beam Steering,” Journal of Lightwave Technology 38, 282-290 (2020).

2019

H. Tahersima, Z. Ma, Y. Gui, S. Sun, R. Amin, H. Dalir, M. Miscuglio, and V. J. Sorger, “Coupling-enhanced Dual ITO Layer Electro-absorption Modulator in Silicon Photonics”, Nanophotonics, 8(9), 1559-1566 (2019).

R. Maiti, R. A. Hemnani, R. Amin, Z. Ma, M. H. Tahersima, T. A. Empante, H. Dalir, R. Agarwal, L. Bartels, and V. J. Sorger, “A semi-empirical integrated microring cavity approach for 2D material optical index identification at 1.55 μm”, Nanophotonics, 8(3) (2019).

Y. Gui, M. Miscuglio, Z. Ma, M. T. Tahersima, H. Dalir, and V. J. Sorger “Towards integrated metatronics: a holistic approach on precise optical and electrical properties of Indium Tin Oxide” Nature Scientific Reports 9, 11279 (2019).

C. W. Chang, X. Xu, S. Chakravarty, H. Huang, L. Tu, Q. Y. Chen, H. Dalir, M. A. Krainak, and R. T. Chen “Pedestal subwavelength grating metamaterial waveguide ring resonator for ultra-sensitive label-free biosensing” Biosensors and Bioelectronics, 141, 111396, ISSN 0956-5663, (2019). In collaboration with NASA GSFC, PO: Dr. M. A. Krainak

M. S. Al-Ghamdi, H. Dalir, A. Bakry, R. T. Chen, and M. Ahmed “Regimes of bandwidth enhancement in coupled-cavity semiconductor laser using photon–photon resonance” Japanese Journal of Applied Physics, 58, 11 (2019).

M. H. Tahersima, Z. Ma, Y. Gui, S. Sun, R. Amin, H. Dalir, M. Miscuglio, and V. J. Sorger, “Coupling-enhanced Dual ITO Layer Electro-absorption Modulator in Silicon Photonics”, Nanophotonics, 8, 9,1559-1566. (2019).

R. Maiti, R. A. Hemnani, R. Amin, Z. Ma, M. H. Tahersima, T. A. Empante, H. Dalir, R. Agarwal, L. Bartels, and V. J. Sorger, “A semi-empirical integrated microring cavity approach for 2D material optical index identification at 1.55 μm”, Nanophotonics, 8(3) (2019).

P. M. Grubb, F. Mokhtari Koushyar, T. Lenz, A. Asghari, G. Gan, W. Xia, H. Dalir, H. Subbaraman, and R.T. Chen “High Speed Roll-to-Roll Printable Transistor Enabled by a Pulsed Light Curable CNT Ink.” J. Manuf. Mater. Process. 3, 33 (2019).

2018

H. Dalir, F. Mokhtari-Koushyar, I. Zand, E. Heidari, S. Sun, X. Xu, Z. Pan, V. J. Sorger, and R. T. Chen “High-Speed and Compact Plasmonic Modulator based on Adiabatic Coupled Waveguides”. Nanophotonics, 7, 5, 859-864 (2018).

R. Amin, R. Maiti, C. Carfano, Z. Ma, M. H. Tahersima, Y. Lilach, D. Ratnayake, H. Dalir, and V. J. Sorger, “0.52 V-mm ITO-based Mach-Zehnder Modulator in Silicon Photonics”, APL Photonics, 3,12 (2018).

Z. Pan, X. Xu, C. Chung, H. Dalir, H. Yan, K. Chen, Y. Wang, B. Jia, and R. T. Chen “High-speed modulator based on electrooptic polymer infiltrated subwavelength grating waveguide ring resonator” Laser & Photonics Reviews, 12, 6 (2018). Editor Choice

R. Amin, Z. Ma, R. Maiti, S. Khan, J. B. Khurgin, H. Dalir, and V. J. Sorger, “Attojoule- Efficient Graphene Optical Modulators”, Applied Optics, 57, 18, 1-11. (2018).

I. Zand, H. Dalir, R. T. Chen, and J. P. Dowling “Multispectral selective near-perfect light absorption by graphene monolayer using aperiodic multilayer microstructures”, Applied Physics Express, 11, 035101 (2018).

R. Amin, M. H. Tahersima, Z. Ma, C. Suer, K. Liu, H. Dalir, and V. J. Sorger, “Low-loss Tunable 1-D ITO-slot Photonic Crystal Nanobeam Cavity”, Journal Optics 20, 054003 (2018).

S. Sun, R. Zhang, J. Peng, V. K. Narayana, H. Dalir, T. El-Ghazawi, and V. J. Sorger, “MODetector (MOD): A Dual-Functional Optical Modulator-Detector for On-Chip Communication”, Optics Express, 57, 18, 130-140 (2018).

2011-2017

H. Zhao, H. Dalir, X. Xu, and R. T. Chen “Efficient coupling into slow-light 1-D fishbone waveguide using mode convertor method” Applied Physics Express 10, 072502 (2017).

H. Dalir, Y. Xia, Y. Wang, and X. Zhang, “Broadband Athermal Graphene Optical Modulator with 35 GHz Bandwidth”, ACS Photonics, 3, 9, 1564-1568 (2016).

M. Ahmed, A. Bakry, M. S. Alghamdi, H. Dalir, and F. Koyama, “Enhancing the modulation bandwidth of VCSELs to the millimeter-waveband using strong transverse slow-light feedback” Optics Express, 23, 12, 15365-15371 (2015).

H. Dalir, M. Ahmed, A. Bakry, A. Matsutani, and F. Koyama, “High Frequency Modulation of Transverse- Coupled-Cavity VCSELs for Radio over Fiber Applications”, IEEE Photonics Technology Letters, 26, 3, 281-284 (2014).

H. Dalir, and F. Koyama, “High-Speed Operations of Bow-tie-shape Oxide Aperture VCSELs with Photon-Photon Resonance”, Applied Physics Express, 7, 2, 022102 (2014).

H. Dalir, Y. Takahashi, and F. Koyama “Compact low driving voltage (<400mVpp) electro- absorption modulator laterally integrated with VCSEL”, Electronics Letters, 50, 2, 101-103 (2014).

H. Dalir, and F. Koyama, “Highly efficient out-of-plane optical coupler based on tapered hollow waveguide”, Japanese Journal of Applied Physics, 53, 048004 (2014).

H. Dalir, and F. Koyama, “Highly Stable Operations of Transverse Coupled Cavity VCSELs with Enhanced Modulation Bandwidth”, Electronics Letters, 50, 11, 823-824 (2014).

H. Dalir, and F. Koyama, “40 Gbps Modulation of Transverse Coupled Cavity VCSEL with Push-pull Modulation Scheme”, Applied Physics Express 7, 9, 092701, (2014).

H. Dalir, M. Ahmed, A. Bakry, and F. Koyama, “Compact Electro-absorption Modulator Integrated with Vertical-cavity Surface-emitting Laser for Highly Efficient Millimeter- wave Modulation” Applied Physics Letter, 105, 081113, (2014).

H. Dalir, and F. Koyama, “30 GHz ultra-compact electro-absorption modulator integrated with 980 nm VCSEL with resonance effect in coupled cavities” Applied Physics Express, 7, (2014).

H. Dalir, Y. Takahashi, and F. Koyama, “Low-voltage, high-speed and compact electro- absorption modulator laterally integrated with 980-nm VCSEL” Optics Express, 22, 21, 25746-25755, (2014).

H. Dalir, and F. Koyama “29 GHz directly modulated 980nm vertical-cavity surface emitting lasers with bow- tie shape transverse coupled cavity”, Applied Physics Letter, 103, 091109-1-4, (2013).

H. Dalir, Y. Yokota, and F. Koyama, “Spatial Mode Multiplexer/Demultiplexer Based on Tapered Hollow Waveguide”, IEICE Electronic Express, 8, 9, 684-688, (2011).

H. Dalir, and F. Koyama, “Bandwidth Enhancement of Single-mode VCSEL with Lateral Optical Feedback of Slow Light”, IEICE Electronic Express, 8, 13, 1075-1081, (2011).

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