
K.Li, S. Liu, D. J. Thomson, W. Zhang, X. Yan, F. Meng, C. G. Littlejohns, H. Du, M. Banakar, M. Ebert, W. Cao, D. Tran, B. Chen, A. Shakoor, P. Petropoulos, and G. T. Reed, “Electronicphotonic convergence for silicon photonics transmitters beyond 100Gbit/s onoff keying,” Optica, 2020.

Y.Hong, K. Li, C. Lacava, S. Liu, D. J. Thomson, F. Meng, X. Ruan, F. Zhang, G. T. Reed and P. Petropoulos, “Highspeed DD transmission using a silicon receiver cointegrated with a 28nm CMOS gaintunable fullydifferential TIA,” IEEE Journal of Lightwave Technology, 2020.

X.Chen, M. M. Milosevic, A. F. J. Runge, X. Yu, A. Z. Khokhar, S. Mailis, D. J. Thomson, A. C. Peacock, S. Saito, and G. T. Reed, "Silicon erasable waveguides and directional couplers by germanium ion implantation for configurable photonic circuits" Optics Express, vol. 28, pp. 1763017642, 2020.

L.Ke, S. Liu, X. Ruan, D. J. Thomson, Y. Hong, F. Yang, L. Zhang, C. Lacava, F. Meng, W. Zhang, P. Petropoulos, F. Zhang and G. T. Reed, “Codesign of a differential transimpedance amplifier and balanced photodetector for a subpJ/bit silicon photonics receiver,” Optics Express, vol. 28, no. 9, pp. 1403814054, 2020.

W.Zhang, X. Chen, Q. Cheng, A. Z. Khokhar, Z. Zhang, X. Yan, B. Huang, H. Chen, H. Liu, H. Li, D. J. Thomson, and G. T. Reed, “Twodimensional apodized grating coupler for polarizationindependent and surfacenormal optical coupling,” IEEE Journal of Lightwave Technology, vol. 38 , no. 15 , 2020.

H.Du, X. Zhang, C. G. Littlejohns, D. T. Tran, X. Yan, M. Banakar, D. J. Thomson, and G. T. Reed, “Nonconservative coupling in a passive silicon microring resonator”, Physics Review Letters, (accepted for publication), 2019.

W.Zhang, X. Chen, Q. Cheng, A. Z. Khokhar, X. Yan, B. Huang, H. Chen, H. Liu, H. Li, D. J. Thomson, and G. T. Reed “Highefficiency apodized bidirectional grating coupler for perfectly vertical coupling,” Optics Letters, vol. 44, no. 20, pp. 50815084, 2019.

R.Petra, S. Z. Oo, A. Tarazona, R. Cernansky, S. Reynolds, A. Z. Khokhar, V. Mittal, D. J. Thomson, A. Politi, G. Z. Mashanovich, G. T. Reed, and H. M. H. Chong, “HWCVD aSi:H interlayer slope waveguide coupler for multilayer silicon photonics platform,” Optics Express, vol. 27, pp. 1573515749, 2019.

H.Du, W. Zhang, C. G. Littlejohns, S. Stankovic, X. Yan, D. T. Tran, G. J. Sharp, F. Y. Gardes, D. J. Thomson, M. Sorel, G. Z. Mashanovich, & G. T. Reed, "Ultrasharp asymmetric Fanolike resonance spectrum on Si photonic platform," Optics Express, vol. 27, pp. 73657372, 2019.

M. Milosevic, X. Chen, X. Yu, N. J. Dinsdale, O. Aktas, S. Z. Oo, A. Z. Khokhar, D. J. Thomson, O. L. Muskens, H. M. H. Chong, A. C. Peacock, S. Saito and G.T. Reed “Ion implantation of germanium into silicon for critical coupling control of racetrack resonators, Accepted for publication in IEEE Journal of Lightwave Technology, 2020.

S.Saito, I. Tomita, M. Sotto, K. Debnath, J. Byers, A. AlAttili, D. Burt, M. Husain, H. Arimoto, K. Ibukuro, M. Charlton, D. Thomson, W. Zhang, B. Chen, F. Gardes, G. Reed and H. Rutt, “Photonic Waveguides with Broken Symmetries: Applications from Modulators to Quantum Simulations,” Accepted for publication Japanese Journal of Applied Physics (Special Issues), 2020. (Invited)

W.Zhang, X. Chen, Q. Cheng, A. Z. Khokhar, X. Yan, B. Huang, H. Chen, H. Liu, H. Li, D. J. Thomson, and G. T. Reed “Highefficiency apodized bidirectional grating coupler for perfectly vertical coupling,” Optics Letters, vol. 44, no. 20, pp. 50815084, 2019.

R.Petra, S. Z. Oo, A. Tarazona, R. Cernansky, S. Reynolds, A. Z. Khokhar, V. Mittal, D. J. Thomson, A. Politi, G. Z. Mashanovich, G. T. Reed, and H. M. H. Chong, “HWCVD aSi:H interlayer slope waveguide coupler for multilayer silicon photonics platform,” Optics Express, vol. 27, pp. 1573515749, 2019.

H.Du, W. Zhang, C. G. Littlejohns, S. Stankovic, X. Yan, D. T. Tran, G. J. Sharp, F. Y. Gardes, D. J. Thomson, M. Sorel, G. Z. Mashanovich, & G. T. Reed, "Ultrasharp asymmetric Fanolike resonance spectrum on Si photonic platform," Optics Express, vol. 27, pp. 73657372, 2019.

M.Nedeljkovic, C. G. Littlejohns, A. Z. Khokhar, M. Banakar, W. Cao, J. Soler Penades, D. T. Tran, F. Y. Gardes, D. J. Thomson, G. T. Reed, H. Wang and G. Z. Mashanovich, “Silicononinsulator freecarrier injection modulators for the midinfrared, Optics Letters, 2019

Tarazona, Antulio, Domínguez Bucio, Thalia, Oo, Swe, Petra, R., Khokhar, Ali, Boden, Stuart, Gardes, Frederic, Reed, Graham and Chong, Harold (2019) Hot wire chemical vapor deposition for silicon photonics: an emerging industrial application opportunity. Thin Solid Films, 676, 2630, [676].

Oo, Swe, Tarazona, Antulio, Khokhar, Ali, Petra, Rafidah, Franz, Yohann, Mashanovich, Goran, Reed, Graham, Peacock, Anna and Chong, Harold (2019) Hotwire chemical vapor deposition lowloss hydrogenated amorphous silicon waveguides for silicon photonic devices. Photonics Research, 7 (2), 193200, [331501].
 R. C. Woods, J. Daykin, A. S. K. Tong, C. Lacava, P. Petropoulos, A. C. Tropper, P. Horak, J. S. Wilkinson, and V. Apostolopoulos, "Supercontinuum generation in tantalum pentoxide waveguides for pump wavelengths in the 900 nm to 1500 nm spectral region," Optics Express, vol. 28, pp. 3217332184, Oct 2020.
 D. Bucio, C. Lacava, M. Clementi, J. Faneca, I. Skandalos, A. Baldycheva, M. Galli, K. Debnath, P. Petropoulos, and F. Gardes, "Silicon Nitride Photonics for the NearInfrared," IEEE Journal of Selected Topics in Quantum Electronics, vol. 26, pp. 113, 2020.
 Lamy, C. Finot, A. Parriaux, C. Lacava, T. D. Bucio, F. Gardes, G. Millot, P. Petropoulos, and K. Hammani, "Si rich Si nitride waveguides or optical transmissions and toward wavelength conversion around 2 mu m," Applied Optics, vol. 58, pp. 51655169, Jul 2019.
 Lacava, M. A. Ettabib, T. D. Bucio, G. Sharp, A. Z. Khokhar, Y. M. Jung, M. Sorel, F. Gardes, D. J. Richardson, P. Petropoulos, and F. Parmigiani, "Intermodal BraggScattering Four Wave Mixing in Silicon Waveguides," Journal of Lightwave Technology, vol. 37, pp. 16801685, Apr 2019.
 Lacava, T. D. Bucio, A. Z. Khokhar, P. Horak, Y. Jung, F. Y. Gardes, D. J. Richardson, P. Petropoulos, and F. Parmigiani, "Intermodal frequency generation in siliconrich silicon nitride waveguides," Photonics Research, vol. 7, pp. 615621, Jun 2019.
 Lacava, T. D. Bucio, A. Z. Khokhar, P. Horak, Y. Jung, F. Gardes, D. J. Richardson, P. Petropoulos, F. Parmigiani, and Ieee, UltraBroadband Bragg Scattering Four Wave Mixing in Silicon Rich Silicon Nitride Waveguides, 2019.
 Demirtzioglou, C. Lacava, A. Shakoor, A. Khokhar, Y. M. Jung, D. J. Thomson, and P. Petropoulos, "Apodized silicon photonic grating couplers for modeorder conversion," Photonics Research, vol. 7, pp. 10361041, Sep 2019.
 Demirtzioglou, C. Lacava, A. Shakoor, A. Khokhar, Y. Jung, D. J. Thomson, and P. Petropoulos, "Silicon Grating Coupler for Mode Order Conversion," in 2019 Conference on Lasers and ElectroOptics, CLEO 2019, 2019.
 R. H. Bottrill, M. A. Ettabib, I. Demirtzioglou, R. Marchetti, C. Lacava, F. Parmigiani, D. J. Richardson, and P. Petropoulos, "Spectral Difference Interferometry for the Characterization of Optical Media," Laser & Photonics Reviews, vol. 13, Oct 2019.
 Daniel Perez, Ivana Gasulla, Lee Crudgington, David J. Thomson, Ali Z Khokhar, Ke Li, Wei Cao, Goran Z Mashanovich and Jose Capmany "Multipurpose silicon photonics signal processor core". Nature Communications 8 Article number 636

Xia Chen, David J. Thomson, Lee Crudgington, Ali Z. Khokhar, and Graham T. Reed, “Dualetch apodised grating couplers for efficient fibrechip coupling near 1310 nm wavelength,” (accepted) Optics Express (2017)

C. Lacava, S. Stankovic, A. Z. Khokhar, T. Dominguez Bucio, F. Y. Gardes, G. T. Reed, D. J. Richardson, and P. Petropoulos , “Sirich silicon nitride for nonlinear signal processing applications,” Scientific Reports, vol. 7, article 22, 2017
 Ke Li, F. Meng, D. J. Thomson, P. Wilson, and G. T. Reed , “Analysis and implementation of an ultrawide tuning range CMOS ringVCO with inductor peaking,” IEEE Microwave and Wireless Components Letters, vol. 27, pp. 4951, 2017
 R. Bruck, K. Vynck, P. Lalanne, B. Mills, D. J. Thomson, G. Z. Mashanovich, G. T. Reed, and O. L. Muskens, “Alloptical spatial light modulator for reconfigurable silicon photonic circuits,” Optica, vol. 3, pp. 396402, 2016
 D. J. Thomson, A. Zilkie, J. E. Bowers, T. Komljenovic, G. T. Reed, L. Vivien, D. MarrisMorini, E. Cassan, L.Virot, JM. Fédéli, JM. Hartmann, J. H. Schmid, DX. Xu, F. Boeuf, P. O’Brien, G. Z. Mashanovich, and M. Nedeljkovic, “Roadmap on silicon photonics,” IOP Journal of Optics, vol. 18, 073003, 2016
 T. Domínguez Bucio, A. Z. Khokhar, C. Lacava, S. Stankovic, G. Z. Mashanovich, P. Petropoulos and F. Y. Gardes , “Material and optical properties of lowtemperature NH3free PECVD SiNx layers for photonic applications,” Journal of Physics D: Applied Physics, vol. 50, 025106, 2016
 M. Saïd Rouifed, C. G. Littlejohns, X. Guo, H. Qiu, T. Hu, Z. Zhang, C. Liu, G. T. Reed, and H. Wang, “Low loss SOI waveguides and MMIs at the MIR wavelength of 2 um,” IEEE Photonics Technology Letters, vol. 28, pp 28272829, 2016
 C. G. Littlejohns, T. Dominguez Bucio, M. Nedeljkovic, G. Z. Mashanovich, G. T. Reed, and F. Y. Gardes, “Towards a fully functional integrated photonicelectronic platform via a single SiGe growth step,” Scientific Reports, vol. 6, article 19425, 2016
 T. Hu, M. S. Rouifed, H. Qiu, X. Guo, C. G. Littlejohns, C. Liu and H. Wang, “A polarization splitter and rotator based on a partially etched gratingassisted coupler,” IEEE Photonics Technology Letters, vol. 28, pp. 911914, 2016
 C. G. Littlejohns, T. Dominguez Bucio, M. Nedeljkovic, H. Wang, G. Z. Mashanovich, G. T. Reed, F. Y. Gardes , “Localised tuneable composition single crystal silicongermaniumoninsulator for low cost devices,” Advances in Materials Science and Engineering, vol. 2016, 4154256, 2016
 T. Hu, H. Qiu, Z. Zhang, X. Guo, C. Liu, M. S. Rouifed, C. G. Littlejohns, G. T. Reed, H. Wang, “A compact ultrabroadband polarization beam splitter utilizing a hybrid plasmonic Ybranch,” IEEE Photonics Journal, vol. 8, 4802209, 2016
 C. G. Littlejohns, C. F Mallinson, M. Nedeljkovic, J. F. Watts, G. Z. Mashanovich, G. T. Reed, and F. Y. Gardes, “Next generation device grade silicongermanium on insulator,” Scientific Reports, vol. 5, article 8288, 2015
 C. G. Littlejohns, A. Z. Khokhar, D. J. Thomson, Y. Hu, S. J. Pearce, S. A. Reynolds, G. Z. Mashanovich, G. T. Reed, and F. Y. Gardes, “GeonSi plasma enhanced chemical vapor deposition for low cost photodetectors,” IEEE Photonics Journal vol. 7, article 6802408, 2015
 M. A. Ettabib, L. Xu, A. Bogris, A. Kapsalis, M. Belal, E. Lorent, et al., "Broadband telecom to midinfrared supercontinuum generation in a dispersionengineered silicon germanium waveguide," Optics Letters, vol. 40, pp. 41184121, 2015
 M. Nedeljkovic, J. Soler Penades, C. J. Mitchell, T. Dominquez Bucio, A. Z. Khokhar, C. G. Littlejohns, F. Y. Gardes, and G. Z. Mashanovich, “Surface grating coupled low loss GeonSi rib waveguides and multimode interferometers,” IEEE Photonics Technology Letters, vol. 27, pp. 10401043, 2015
 L. Shen, N. Healy, C. J. Mitchell, J. S. Penades, M. Nedeljkovic, G. Z. Mashanovich, and A. C. Peacock, “Midinfrared alloptical modulation in low loss germaniumonsilicon waveguides,” Optics Letters, vol. 40, pp. 268271, 2015
 L. Shen, N. Healy, C. J. Mitchell, J. Solar Penades, M. Nedeljkovic, G. Z. Mashanovich, and A. C. Peacock, “Twophoton absorption and alloptical modulation in germaniumonsilicon waveguides for the midinfrared,” Optics Letters, vol. 40, pp. 22132216, 2015
 G. Z. Mashanovich, F. Y. Gardes, D. J. Thomson, Y. Hu, K. Li, M. Nedeljkovic, J. Soler Penades, A. Z. Khokhar, C. J. Mitchell, S. Stankovic, R. Topley, S. A. Reynolds, Y. Wang, B. Troia, V. M. N. Passaro, C. G. Littlejohns, T. Dominguez Bucio, P. R. Wilson, and G. T. Reed, “Silicon photonic waveguides and devices for near and midIR applications,” IEEE Journal of Selected Topics in Quantum Electronics, vol. 21, 8200112, 2015
 R. Bruck, B. Mills, B. Troia, D. J. Thomson, F. Y. Gardes, Y. Hu, G. Z. Mashanovich, V. M. N. Passaro, G. T. Reed, and O. L. Muskens, “Device level characterization of the flow of light in integrated photonic circuits using ultrafast photomodulation spectroscopy,” Nature Photonics, vol. 9, pp. 5460, 2015
 R. Bruck, B. Mills, D. J. Thomson, B. Troia, V. M. N. Passaro, G. Z. Mashanovich, G. T. Reed, and O. L. Muskens, “Picosecond optically reconfigurable filters exploiting full free spectral range tuning of single ring and Vernier effect resonators,” Optics Express, vol. 23, pp. 1246812477, 2015
 D. J. Thomson, C. G. Littlejohns, S. Stanković, M. Nedeljkovic and S. A. Reynolds, “Silicon Photonics”, Wiley Encyclopedia, 2015
 J. J. Ackert, D. J. Thomson, L. Shen, A. C. Peacock, P. E. Jessop, G. T. Reed, G. Z. Mashanovich, and A. P. Knights, “Highspeed detection above the telecommunication windows with monolithic silicon photodiodes”, Nature Photonics, vol. 9, pp. 393396, 2015
 S. Liu, D. J. Thomson, K. Li, P. Wilson, and G. T. Reed, “N over N cascode push pull modulator driver in 130nm CMOS enabling 20Gb/s optical interconnection with MachZehnder modulator”, Electronics Letters, vol. 51, pp. 19001902, 2015
 R. Topley, L. O'Faolain, D. J. Thomson, F. Y. Gardes, G. Z. Mashanovich, and G. T. Reed, " Planar surface implanted diffractive grating couplers in SOI," Optics Express, Vol. 22, pp. 10771084, 2014
 D. J. Thomson, L. Shen, J. J. Ackert, E. HuanteCeron, A. P. Knights, M. Nedeljkovic, A. C. Peacock, and G. Z. Mashanovich, " Optical detection and modulation at 2μm2.5μm in silicon," Optics Express, vol. 22, pp. 1082510830, 2014
 R. Topley, G. MartinezJimenez, L. O’Faolain, N. Healy, S. Mailis, D. J. Thomson, F. Y. Gardes, A. C. Peacock, D. N. R. Payne, G. Z. Mashanovich, and G. T. Reed, " Locally Erasable Couplers for Optical Device Testing in Silicon on Insulator," Journal of Lightwave Technology, vol. 32, pp. 22482253, 2014
 C. G. Littlejohns, Y. Hu, F. Y. Gardes, D. J. Thomson, S. A. Reynolds, G. Z. Mashanovich, and G. T. Reed, “50 Gb/s silicon photonics receiver with low insertion loss,” IEEE Photonics Technology Letters, 2014
 B. Goll, D. J. Thomson, L. Zimmermann, H. Porte, F. Y. Gardes, Y. Hu, S. Lischke, B. Tillack, G. T. Reed, and H. Zimmermann, “A monolithically integrated silicon modulator with a 10Gb/s 5Vpp or 5.6Vpp driver in 0.25um SiGe:C BiCMOS,” Frontiers in Physics, vol. 2, 62, 2014
 M. Nedeljkovic, S. Stanković, C. J. Mitchell, A. Z. Khokhar, S. A. Reynolds, D. J. Thomson, F. Y. Gardes, C. G. Littlejohns, G. T. Reed, and G. Z. Mashanovich, “Midinfrared thermooptic modulators in SOI,” IEEE Photonics Technology Letters, vol. 26, pp. 13521355, 2014
 K. Hammani, M. A. Ettabib, A. Bogris, A. Kapsalis, D. Syvridis, M. Brun, et al., "Towards nonlinear conversion from mid to nearinfrared wavelengths using Silicon Germanium waveguides," Optics Express, vol. 22, pp. 96679674, 2014
 G. T. Reed, D. J. Thomson, F. Y. Gardes, Y. Hu, J.M. Fedeli, and G. Z. Mashanovich, “Highspeed carrierdepletion silicon MachZehnder optical modulators with lateral PN junctions,” Frontiers in Physics, vol. 2, 77, 2014
 D. J. Thomson, L. Shen, J. J. Ackert, E. HuanteCeron, A. P. Knights, M. Nedeljkovic, A. C. Peacock, and G. Z. Mashanovich, “Optical detection and modulation at 2µm  2.5µm in silicon,” Optics Express, vol. 22, pp. 1082510830, 2014
 D. J. Thomson, H. Porte, B. Goll, D. Knoll, S. Lischke, F. Y. Gardes, Y. Hu, G. T. Reed, H. Zimmermann, and L. Zimmermann, “Silicon carrier depletion modulator with 10Gbit/s driver realized in highperformance photonic BiCMOS,” Laser & Photonics Reviews, vol. 8, pp. 180187, 2014
 GH. Duan, C. Jany, A. L. Liepvre, A. Accard, M. Lamponi, D. Make, P. Kaspar, G. Levaufre, N. Girard, F. Lelarge, JM. Fedeli, A. Descos, B. B. Bakir, S. Messaoudene, D. Bordel, S. Menezo, S. Keyvaninia, G. Roelkens, D. Van Thourhout, D. J. Thomson, F. Y. Gardes, and G. T. Reed “Hybrid IIIV on silicon lasers for photonic integrated circuits on silicon,” IEEE Journal of Selected Topics in Quantum Electronics, vol. 20, 2014
 Y. Hu, T. Li, D. J. Thomson, X. Chen, J. Soler Penades, A. Z. Khokhar, C. J. Mitchell, G. T. Reed, and G. Z. Mashanovich, “Wavelength division (de)multiplexing in midinfrared wavelength range using interleaved angled multimode interferometer on the silicononinsulator platform,” Optics Letters, vol. 39, pp.14061409, 2014
 D.X. Xu, J. Schmid, G. T. Reed, G. Z. Mashanovich, D. J. Thomson, M. Nedeljkovic, X. Chen, D. Van Thourhout, and S. Keyvaninia, “Silicon photonics integration platform – have we found the sweet spot?” Journal of Selected Topics in Quantum Electronics, vol. 20, 2014