Publications

Selected Peer-Reviewed Publications


  • F. Ashtiani and F. Aflatouni, "Coherent Multilayer Photonic Nanoantenna Array with off-Aperture Phase Adjustment," ACS Photonics doi: 10.1021/acsphotonics.1c00608 (2021).
  • F. Ashtiani, P. Sanjari, M. H. Idjadi, A. Risi, and F. Aflatouni, "Photonic-Electronic Co-Design: from Optical Phase Control to Signal Processing," in Photonics in Switching and Computing, Tu3A-2 (2021).
  • H. Hao, L. Du, A. G. Richardson, T. H. Lucas, M. G. Allen, J. Van der Spiegel and F. Aflatouni, "A Wireless Artificial Mechanoreceptor in 180-nm CMOS," in IEEE Transactions on Microwave Theory and Techniques (TMTT), vol. 69, no. 6, pp. 2907-2920, (2021).
  • H. Hao, J. Chen, A. G. Richardson, J. Van der Spiegel and F. Aflatouni, "A 10.8 µW Neural Signal Recorder and Processor With Unsupervised Analog Classifier for Spike Sorting," in IEEE Transactions on Biomedical Circuits and Systems (TBioCAS), vol. 15, no. 2, pp. 351-364, (2021).
  • F. Ashtiani and F. Aflatouni, "Single-chip photonic deep neural network for instantaneous image classification," arXiv:2106.11747(2021).
  • K. Y. Yang, A. D. White, F. Ashtiani, C. Shirpurkar, S. V. Pericherla, L. Chang, H. Song, K. Zou, H. Zhou, K. Pang, J. Yang, M. A. Guidry, D. M. Lukin, H. Hao, L. Trask, G. H. Ahn, A. Netherton, T. C. Briles, J. R. Stone, L. Rechtman, J. S. Stone, K. Van Gasse, J. L. Skarda, L. Su, D. Vercruysse, J. P. W. Maclean, S. Aghaeimeibodi, M. J. Li, D. A.B. Miller, D. Marom, S. B. Papp, A. E. Willner, J. E. Bowers, P. J. Delfyett, F. Aflatouni, J. Vučković, "Inverse-designed multi-dimensional silicon photonic transmitters," arXiv:2103.14139 (2021)
  • H. Hao, H. Liu, J. V. d. Spiegel and F. Aflatouni, "A Somatosensory Feedback System in 180nm CMOS," in IEEE Custom Integrated Circuits Conference (CICC), pp. 1-2 (2021).
  • T. Huang, D. Hopper, M. H. Idjadi, K. Omirzakhov, S. A. Breitweiser, F. Aflatouni, L. Bassett, "Effects of Phase Noise in Microwave Control Sequences on Spin Coherence," APS March Meeting, J31.00005 (2021).
  • P. Sanjari and F. Aflatouni, "Modulation Characteristics of a Delay-Controlled Optoelectronic Oscillator," in proceedings of Conference on Lasers and Electro-Optics (CLEO), SW3A.7 (2021).
  • K. Yang, A. White, F. Ashtiani, L. Chang, H. Song, K. Zou, H. Zhou, K. Pang, G. Ho Ahn, A. Netherton, J. Lee Skarda, L. Su, D. Vercruysse, JP. MacLean, S. Aghaeimeibodi, A. Willner, J. Bowers, F. Aflatouni, J. Vuckovic, "Inverse-designed optical link for chip-to-chip communication," in proceedings of Conference on Lasers and Electro-Optics (CLEO), SM4C.4 (2021).
  • H. Hao, L. Du, A. G. Richardson, T. H. Lucas, M. G. Allen, J. Van der Spiegel and F. Aflatouni, "A hybrid-integrated artificial mechanoreceptor in 180nm CMOS," in proceedings of IEEE Radio Frequency Integrated Circuits (RFIC), paper MO3A-3 (2020). Best Student Paper Award - 1st Place .
  • P. Sanjari and F. Aflatouni, "Wideband Rapidly Tunable Delay-Controlled Optoelectronic Oscillator," IEEE Photonics Journal, vol. 12, no. 6, pp. 1-9 (2020).
  • F. Ashtiani, S. Yu, G. H. Ahn, J. Skarda, L. Su, D. Vercruysse, K. Y. Yang, C. Shirpurkar, P. Delfyett, J. Vuckovic, S. B. Papp and F. Aflatouni, "Towards peta-bit/s optical links," in proceedings of OCP Future Technologies Symposium (2020).
  • F. Ashtiani and F. Aflatouni, "Photonic Assisted Microwave Near-field Imager," in proceedings of Conference on Lasers and Electro-Optics (CLEO), SW3O.5 (2020). Highlighted Talk.
  • F. Ashtiani and F. Aflatouni, "Optical Beam Steering Using an NxN Phased Array with 2N Phase Shifters," in proceedings of Conference on Lasers and Electro-Optics (CLEO), SM1O.1 (2020).
  • M. H. Idjadi, S. Arab and F. Aflatouni, "Optical Frequency Comb Generation in Silicon by Recursive Electro-Optic Modulation," in proceedings of Conference on Lasers and Electro-Optics (CLEO), SF3O.5 (2020).
  • M. H. Idjadi and F. Aflatouni, "Nanophotonic phase noise filter in silicon," Nature Photonics 14, 234-239 doi:10.1038/s41566-020-0605-1 (2020).
  • Z. Xuan and F. Aflatouni, "Integrated coherent optical receiver with feed-forward carrier recovery," Optics Express, vol. 28, no. 11, pp. 16073-16088 (2020).
  • F. Ashtiani, A. Risi and F. Aflatouni, "Single-chip nanophotonic near-field imager," Optica, vol. 6, no. 10, pp. 1255-1260 (2019). Our article made the cover page of this issue of Optica.
  • F. Ashtiani and F. Aflatouni, "NxN optical phased array with 2N phase shifters," Optics Express, vol. 27, no. 19, pp. 27183-27190 (2019).
  • A.G. Richardson, Y. Ghenbot, X. Liu, H. Hao, C. Rinehart, S. DeLuccia, S. T.Maldonado, G. Boyek, M. Zhang, F. Aflatouni, J. Van der Spiegel, T. H. Lucas, "Learning active sensing strategies using a sensory brain–machine interface," PNAS, 201909953; doi:10.1073/pnas.1909953116 (2019).
  • M. H. Idjadi and F. Aflatouni, "Laser spectral linewidth reduction using integrated Pound-Drever Hall laser stabilization system in 180nm CMOS SOI," in proceedings of IEEE Radio Frequency Integrated Circuits (RFIC), paper RTUIF1-4 (2019).
  • Z. Xuan, L. Du, and F. Aflatouni, "Frequency locking of semiconductor lasers to RF oscillators using hybrid-integrated opto-electronic oscillators with dispersive delay lines," Optics Express, vol. 27, no. 8, pp. 10729-10737 (2019).
  • Z. Xuan, L. Du, and F. Aflatouni, "Direct Frequency Locking of Lasers to RF Oscillators," in proceedings of IEEE Optical Interconnects Conference (OI), paper TuA3, (2018).
  • F. Ashtiani, P. Sanjari, M. H. Idjadi and F. Aflatouni, "High-resolution optical frequency synthesis using an integrated electro-optical phase-locked loop," in IEEE Transactions on Microwave Theory and Techniques (TMTT), vol. 66, no. 12, pp. 5922-5932 (2018).
  • F. Ashtiani, P. Sanjari, M. H. Idjadi, and F. Aflatouni, "Towards integrated wideband high resolution optical synthesizers," in proceedings of IEEE International Microwave Symposium (IMS), paper Th2E-3, (2018).
  • M. H. Idjadi and F. Aflatouni, "Integrated Pound-Drever Hall laser stabilization system in a standard CMOS SOI process," in proceedings of Conference on Lasers and Electro-Optics (CLEO), paper SM3L.2, May (2018).
  • M. H. Idjadi and F. Aflatouni, "Integrated Pound-Drever-Hall laser stabilization system in silicon," Nature Communications 8, 1209 doi:10.1038/s41467-017-01303-y (2017).
  • F. Ashtiani and F. Aflatouni, "Integrated electro-optical phase-locked loop for high resolution optical synthesis," Optics Express, vol. 25, no. 14, pp. 16171-16181 (2017).
  • Z. Xuan, R. Ding, Y. Liu, T. Baehr-Jones, M. Hochberg and F. Aflatouni, "A Low-Power Hybrid-Integrated 40-Gb/s Optical Receiver in Silicon," in IEEE Transactions on Microwave Theory and Techniques (TMTT), vol. PP, no. 99, pp. 1-7, (2017).
  • Z. Xuan, R. Ding, Y. Liu, T. Baehr-Jones , M. Hochberg, and F. Aflatouni, "A low-power 40 Gb/s optical receiver in silicon," in IEEE Radio Frequency Integrated Circuits Symposium Dig. Papers, pp. 315-318, (2015).
  • B. Abiri, F. Aflatouni, and A. Hajimiri, "Self-equalizing photodiodes, a hybrid electro-optical approach to tackle bandwidth limitation in high-speed signaling," Optics Express, vol. 25, no. 16, pp. 19137-19146 (2017).
  • M. Bagheri, G. D. Spiers, C. Frez, S. Forouhar, and F. Aflatouni, "Linewidth measurement of distributed-feedback semiconductor lasers operating near 2.05 µm," IEEE Photonic Technology Letters, vol. 27, no. 18, pp. 1934-1937 (2015).
  • F. Aflatouni, B. Abiri, A. Rekhi, and A. Hajimiri, "Nanophotonic coherent imager," Optics Express, vol. 23, no. 4, pp. 5117-5125 (2015).
  • F. Aflatouni, B. Abiri, A. Rekhi, and A. Hajimiri, "Nanophotonic projection system," Optics Express, vol. 23, no. 16, pp. 21012-21022 (2015).
  • F. Aflatouni, B. Abiri, A. Rekhi, H. Abediasl, H. Hashemi, and A. Hajimiri, "Electronic laser phase noise reduction," in IEEE Radio Frequency Integrated Circuits Symposium Dig. Papers, pp. 265-268, (2013).
  • F. Aflatouni and H. Hashemi, "Wideband tunable laser phase noise reduction using single side-band modulation in an electro-optical feed-forward scheme," Optics Letters, vol. 37, no. 2, January (2012).
  • F. Aflatouni and H. Hashemi, "An electronically controlled optical phased array," in IEEE International Microwave Symposium (IMS) Dig. Papers, WEPN-6, (2012).
  • F. Aflatouni and H. Hashemi, "Light source independent linewidth reduction of lasers," in Optical Fiber Communication Conference (OFC) Dig. Papers, no. OW1G.6, (2012).
  • F. Aflatouni, M. Bagheri, and H. Hashemi, "Design methodology and architectures to reduce the semiconductor laser phase noise using electrical feed-forward schemes," in IEEE Transactions on Microwave Theory and Techniques (TMTT), vol. 58, no. 11, pp. 3290-31683, November (2010).
  • F. Aflatouni and H. Hashemi,"A low power Ka-Band receiver front-end in 0.13mm SiGe BiCMOS for space transponders," in IEEE Compound Semiconductor IC Symposium Dig. Papers, pp. 1-4, October (2009) (Recipient of the 2010 NASA Tech Award).
  • F. Aflatouni and H. Hashemi, "A 1.8mW wideband 57dBW transimpedance amplifier in 0.13mm CMOS," in IEEE Radio Frequency Integrated Circuits Symposium Dig. Papers, pp. 57-60, (2009).
  • M. Bagheri, F. Aflatouni, A. Imani, A. Goel, and H. Hashemi, "Semiconductor laser phase noise cancellation using an electrical feed-forward scheme," Optics Letters, vol. 34, no. 19, pp. 2979-2981, October 1, (2009).
  • N. Satyan, W. Liang, F. Aflatouni, A. Yariv, A. Kewitsch, G. Rakuljic, and H. Hashemi, "Phase-controlled apertures using heterodyne optical phase-locked loops," IEEE Photonics Technology Letters, vol. 20, no. 11, June 1, (2008).
  • N. Satyan, W. Liang, F. Aflatouni, A. Yariv, A. Kewitsch, G. Rakuljic, and H. Hashemi, "Applications of optical phase locked loops in coherent beam combining," in Proceedings of SPIE, vol. 6873, February (2008).
  • W. Liang, N. Satyan, F. Aflatouni, A. Yariv, A. Kewitsch, G. Rakuljic, and H. Hashemi, "Coherent beam combining with multi-level optical phase lock loops," Journal of Optical Society of America B, vol. 24, no. 12, pp. 29168-2939, December (2007).
  • F. Aflatouni, O. Momeni, and H. Hashemi, "A heterodyne phase locked loop with GHz acquisition range for coherent locking of semiconductor lasers," in Proceedings of the IEEE Custom Integrated Circuit Conference, pp. 463-466, September (2007).
  • W. Liang, N. Satyan, A. Yariv, A. Kewitsch, G. Rakuljic, F. Aflatouni, H. Hashemi, and J. Ungar, "Coherent power combination of two master-oscillator-power-amplifier (MOPA) semiconductor lasers using optical phase lock loops," Optics Express, vol. 15, no. 6, pp. 3201-3205, March (2007).

Patents


  • F. Aflatouni and F. Ashtiani, "Photonic-electronic deep neural networks," US patent pending.
  • F. Ashtiani and F. Aflatouni, "Optically assisted ultra-wideband (uwb) imager," Publication no. WO2019161234A1 (2019).
  • M. H. Idjadi and F. Aflatouni, "Integrated Pound-Drever-Hall laser stabilization system," Publication no. US 16/239,653 (2019).
  • F. Ashtiani and F. Aflatouni, "Integrated optical synthesizer with enhanced tuning range," US patent pending.
  • F. Ashtiani and F. Aflatouni, "Optically assisted ultra-wideband (UWB) imager," US patent pending.
  • Z. Xuan and F. Aflatouni, "Integrated coherent optical receiver with off PLL bandwidth demodulation," US patent pending.
  • F. Aflatouni and P. Sanjari, "Supply-free signature micro-sensor," US patent pending.
  • P. Sanjari and F. Aflatouni, "Digitally assisted analog support vector machine (SVM) for stochastic optimization," US patent pending.
  • F. Aflatouni and P. Sanjari, "Optically assisted analog-to-digital converter," US patent pending.
  • F. Aflatouni, B. Abiri, and A. Hajimiri, "Optically assisted electrical filtering and processing," US Patent no. 9,900,096 (2018).
  • F. Aflatouni, B. Abiri, and A. Hajimiri, "Amplification-free electro-optical oscillator," US Patent no. 9,768,873 (2017).
  • B. Abiri, F. Aflatouni, and A. Hajimiri, "Self-equalizing photo-detector," US Patent no. 9,831,957 (2017).
  • F. Aflatouni, B. Abiri, and A. Hajimiri, "Optically balanced opto-electronic oscillators," US Patent no. 9,831,951 (2017).
  • B. Abiri, F. Aflatouni, and A. Hajimiri, “Integrated wide target range optical coupling based Mach-Zehnder sensor,” U.S. Patent no. 9,523,639 (2017).
  • S. Bowers, F. Aflatouni, B. Abiri, and A. Hajimiri, "Optically driven active radiator," US Patent no. 9,621,269 (2017).
  • F. Aflatouni, B. Abiri, and A. Hajimiri, "Integrated light source independent linewidth reduction of lasers," U.S. Patent no. 9,482,886, (2016).
  • F. Aflatouni, B. Abiri, and A. Hajimiri, “Integrated light source independent linewidth reduction of lasers using electro-optical feedback techniques,” U.S. Patent no. 9,250,453 (2016).
  • F. Aflatouni, B. Abiri, and A. Hajimiri, "Integrated planar two-dimensional optical phased array," U.S. Patent no. 9,081,252, (2015).
  • F. Aflatouni, B. Abiri, and A. Hajimiri, "Integrated optical phased arrays," US Patent no. 9,124,373, (2015).
  • F. Aflatouni, and A. Hajimiri, "Integrated optical phased arrays with optically enhanced elements," US patent publication no. 15/728,329 (2018).
  • A. Hajimiri and F. Aflatouni, “Thermally enhanced fast optical phase shifters”, US patent publication no. 15/728,329 (2018).
  • F. Aflatouni, B. Abiri, and A. Hajimiri, "Integrated coherent camera," Publication no. US 2014/0071249 A1, March (2014).