Publications
- G. West, W. Loh, D. Kharas, C. Sorace-Agaskar, K. K. Mehta, J. Sage, J. Chlaverini, & R. J. Ram, "Low-loss integrated photonics for the blue and ultraviolet regime," APL Photonics (2019) DOI: https://doi.org/10.1063/1.5052502 [PDF] Link to Publication
- V. Mehra, R. Amatya, R. J. Ram, "Estimating the value of demand-side management in low-cost, solar micro-grids," Energy, 163 (2018): 74-87, DOI: https://doi.org/10.1016/j.energy.2018.07.204 [PDF] Link to Publication
- V. Stojanović, R. J. Ram, M. Popović, S. Lin, S. Moazeni, M. Wade, C. Sun, L. Alloatti, A. H. Atabaki, F. Pavanello, N. Mehta, & P. Bhargava, "Monolithic silicon-photonic platforms in state-of-the-art CMOS SOI processes," Optics Express, Vol. 26, No. 10 (2018) DOI: https://doi.org/10.1364/OE.26.013106 [PDF] Link to Publication
- A. H. Atabaki, S. Moazeni, F. Pavanello, H. Gevorgyan, J. Notaros, L. Alloatti, M. T. Wade, C. Sun, S. A. Kruger, H. Meng, K. Al Qubaisi, I. Wang, B. Zhang, A. Khilo, C. V. Baiocco, M. A. Popović, V. M. Stojanović & R. J. Ram, "Integrating photonics with silicon nanoelectronics for the next generation of systems on a chip," Nature, 556 (2018): 349-354, DOI: https://doi.org/10.1038/s41586-018-0028-z [PDF] Link to Publication
- W. F. Herrington Jr., G. P. Singh, D. Wu, P. W. Barone, W. Hancock & R. J. Ram, "Optical Detection of Degraded Therapeutic Proteins," Scientific Reports, 8:5098 (2018) DOI: DOI:10.1038/s41598-018-23409-z [PDF] Link to Publication
- S. Moazeni, S. Lin, M. Wade, L. Alloatti, R. J. Ram, M. Popović, V. Stojanović, "A 40-Gb/s PAM-4 Transmitter Based on a Ring-Resonator Optical DAC in 45-nm SOI CMOS," IEEE Journal of Solid-State Circuits Vol: 52, Issue 12, Dec 2017 (2017) DOI: 10.1109/JSSC.2017.2748620 [PDF] Link to Publication
- J. Xue, Z. Li, R. J. Ram, "Irreversible Thermodynamic Bound for the Efficiency of Light-Emitting Diodes," American Physical Society, Physical Review Applied, 8, 014017 (2017) DOI: 10.1103/PhysRevApplied.8.014017 [PDF] Link to Publication
- K. Mehta, R.J. Ram, "Precise and diffraction-limited waveguide-to-free-space focusing gratings," Nature, Scientific Reports, 7, Article Number: 2019 (2017) (2017) DOI: 10.1038/s41598-017-02169-2 [PDF] Link to Publication
- A. Atabaki, H. Meng, L. Alloatti, K. Mehta, R. J. Ram, "High-speed polysilicon CMOS photodetector for telecom and Datacom," Applied Physics Letters (2016): 109, 111106 (2016), DOI: 10.1063/1.4962641 [PDF] Link to Publication
- L. Alloatti, R. J. Ram, "Infrared vertically-illuminated photodiode for chip alignment feedback," AIP Advances (2016): 6, 085219 (2016), DOI: 10.1063/1.4961949 [PDF] Link to Publication
- K. Mehta, C. Bruzewicz, R. McConnell, R. J. Ram, J. Sage, J. Chiaverini, "Integrated optical addressing of an ion qubit," Nature Nanotechnology (2016) DOI: 10.1038/NNANO.2016.139 [PDF] Link to Publication
- P. Perez-Pinera, N. Han, S. Cleto, J. Cao, O. Purcell, K. A. Shah, K. Lee, R. J. Ram, T. K. Lu, "Synthetic biology and microbioreactor platforms for programmable production of biologics at the point-of-care," Nature Communications (2016) DOI: 10.1038/ncomms12211 [PDF] Link to Publication
- N. Han, S. Cho, A. Atabaki, E. Ye, W. Herrington, R. J. Ram , "Non-paraxial Talbot Effect for Building Compact Spectrometers," Computational Optical Sensing and Imaging (COSI), Heidelberg, Germany (2016) [PDF] Link to Publication
- E. Ye, A. Atabaki, N. Han, R. J. Ram, "Miniature, sub-nanometer resolution Talbot spectrometer," Optics Letters, V. 41, 11 (2016): 2434-2437, [PDF] Link to Publication
- L. Alloatti, D. Cheian, R. J. Ram, "High-speed modulator with interleaved junctions in zero-change CMOS photonics," Applied Physics Letters, 108, 131101 (2016) DOI: 10.1063/1.4944999 [PDF] Link to Publication
- L. Alloatti, and R. J. Ram, "Resonance-enhanced waveguide-coupled silicon-germanium detector," Applied Physics Letters (2016): 108, 071105 , DOI: 10.1063/1.4941995 [PDF] Link to Publication
- C. Sun, M. Wade, Y. Lee, J. Orcutt, L. Alloatti, M. Georgas, A. Waterman, J. Shainline, R. Avizienis, S. Lin, R. Kumar, F. Pavanello, A. Atabaki, H. Cook, A. Ou, B. Moss, J. Leu, Y-H. Chen, K. Asanovic, R. Ram, M. Popovic, V. Stojanovic , "Single-Chip Microprocessor with Integrated Photonic I/O," Nature (2015): v. 528, pp 534–538, DOI: 10.1038/nature16454 [PDF] Link to Publication
- H. Meng, A. Atabaki, J. Orcutt, and R. Ram, "Sub-bandgap polysilicon photodetector in zero-change CMOS process for telecommunication wavelength," Optics Express (2015): 23, 32643-32653 , DOI: 10.1364/OE.23.032643 [PDF] Link to Publication
- J. Xue, Y. Zhao, S. Oh, W. Herrington, J. Speck, S. DenBaars, S. Nakamura, R. J. Ram, "Thermally enhanced blue light-emitting diode," Applied Physics Letters (2015): 107, DOI: 10.1063/1.4931365 [PDF] Link to Publication
- L Alloatti, SA Srinivasan, JS Orcutt, RJ Ram, "Waveguide-coupled detector in zero-change complementary metal–oxide–semiconductor," Appl. Phys. Lett. 107, 041104 (2015) DOI: http://dx.doi.org/10.1063/1.4927393 [PDF] Link to Publication
- C Sun, M Wade, M Georgas , S Lin , L Alloatti , B Moss , R Kumar, A Atabaki , F Pavanello , R Ram , M Popović , V Stojanović , "A 45nm SOI Monolithic Photonics Chip-to-Chip Link with Bit-Statistics-Based Resonant Microring Thermal Tuning," VLSI Symposium (2015) [PDF] Link to Publication
- NJ Mozdzierz, KR Love, KS Lee, HLT Lee, KA Shah, R. J. Ram, J.C. Love, "A perfusion-capable microfluidic bioreactor for assessing microbial heterologous protein production," Lab on a Chip (2015): 15, 2918-2922, DOI: 10.1039/C5LC00443H [PDF] Link to Publication
- L Alloatti, M Wade, V Stojanovic, M Popovic, R J Ram, "Photonics design tool for advanced CMOS nodes," IET Optoelectronics, Vol. 9, Iss. 4, (2015): 163–167, DOI: 10.1049/iet-opt.2015.0003 [PDF] Link to Publication
- G. Singh, S. Goh, M. Canzoneri, R. J. Ram, "Raman Spectroscopy of Complex Defined Media: Biopharmaceutical Applications," Journal of Raman Spectroscopy (2015) DOI: 10.1002/jrs.4686 [PDF] Link to Publication
- C. Sun, M. Georgas, J. Orcutt, B. Moss, Y.-H. Chen, J. Shainline, M. Wade, K. Mehta, K. Nammari, E. Timurdogan, D. Miller, O. Tehar-Zahav, Z. Sternberg, J. Leu, J. Chong, R. Bafrali, G. Sandhu, M. Watts, R. Meade, M. Popovic, R. Ram, V. Stojanovic, "A Monolithically-Integrated Chip-to-Chip Optical Link in Bulk CMOS," IEEE J. of Solid-State Circuits 50.4 (2015): 828-844, DOI: 10.1109/JSSC.2014.2382101 [PDF] Link to Publication
- K. K. Mehta, A. M. Eltony, C. D. Bruzewicz, I. L. Chuang, R. J. Ram, J. M. Sage, and J. Chiaverini, "Ion Traps Fabricated in a CMOS Foundry," Applied Physics Letters (2014) [PDF] Link to Publication
- N. Han, O. Purcell, K. S. Lee, T. K. Lu, R. J. Ram, "Microfluidics for Control in Synthetic Biology," MicroTAS, San Antonio, TX (2014) [PDF] Link to Publication
- D. Huang, P. Santhanam, and R. J. Ram, "Low-Power Communication with a Photonic Heat Pump," Optics Express, 22, S7 (2014): A1650-58, [PDF] Link to Publication
- K. K. Mehta, A. M. Eltony, C. D. Bruzewicz, I. L. Chuang, R. J. Ram, J. M. Sage, and J. Chiaverini, "Ion Traps Fabricated in a CMOS Foundry," Applied Physics Letters 105, 044103 (2014) [PDF] Link to Publication
- K. K. Mehta, J. S. Orcutt, J. M. Shainline, O. Tehar-Zahav, Z. Sternberg, R. Meade, M. A. Popović, and R. J. Ram, "Polycrystalline Silicon Ring Resonator Photodiodes in a Bulk Complementary Metal-Oxide-Semiconductor Process," Optics Letters 39, 4 (2014): 1061-4, [PDF] Link to Publication
- W. Loh, S. Yegnanarayanan, R. J. Ram, P. Juodawlkis, "A Nonlinear Optoelectronic Filter for Electronic Signal Processing," Nature Scientific Reports 4, 3613 (2014) [PDF] Link to Publication
- D. Gray, Jr, P. Santhanam, R. J. Ram, "Design for Enhanced Thermo-Electric Pumping in Light Emitting Diodes," Applied Physics Letters 103.12 (2013): 123503, DOI: 10.1063/1.4821266 [PDF] Link to Publication
- S. Chen, S. Lee, H. Lo, Y. Hung, K. Lee, C. Tu, Y. Pan, R. J. Ram, "Silicon Platform with Vertically Aligned Carbon Nanotubes for Enhancing Thermal Conduction in Hybrid Optoelectronic Integration," IEEE Trans. Compon. Packag. Manuf. Technol. 2.7 (2012): 1128-34, [PDF] Link to Publication
- J. Bahk, P. Santhanam, Z. Bian, R. J. Ram, A. Shakouri, "Resonant Carrier Scattering by Core-Shell Nanoparticles for Thermoelectric Power Factor Enhancement," Applied Physics Letters 100 (2012) DOI: 10.1063/1.3673615 [PDF] Link to Publication