Nanophotonics for optoelectronic system integration

Fainman, Y.; Tetz, K.; Levy, U.; Nakagawa, W.; Tsai, C.-H.; Chen, C.-H.; Pang, L.; Nezhad, M.; Nesci, A.; Sun, P.C.

doi:10.1109/LEOS.2004.1363102

Metal coated subwavelength laser resonators with low threshold gain (2008)
Conference Proceeding
Mizrahi, A., Lomakin, V., Slutsky, B., Nezhad, M., Feng, L., & Fainman, Y. (2008). Metal coated subwavelength laser resonators with low threshold gain. . https://doi.org/10.1364/FIO.2008.FTuAA4

We demonstrate that a low refractive index layer in metal coated laser resonators can significantly reduce the threshold gain. A subwavelength resonator with a sufficiently low threshold gain to lase at room temperature is presented.

Low threshold gain metal coated laser nanoresonators (2008)
Journal Article
Mizrahi, A., Lomakin, V., Slutsky, B., Nezhad, M., Feng, L., & Fainman, Y. (2008). Low threshold gain metal coated laser nanoresonators. Optics Letters, 33(11), 1261-1263. https://doi.org/10.1364/OL.33.001261

We introduce a low refractive index layer between the metal and the gain medium in metal-coated laser resonators and demonstrate that it can significantly reduce the dissipation losses. Analysis of a gain medium waveguide shows that for a given waveg... Read More about Low threshold gain metal coated laser nanoresonators.

Wavelength selective coupler with vertical gratings on silicon chip (2008)
Conference Proceeding
Ikeda, K., Nezhad, M., & Fainman, Y. (2008). Wavelength selective coupler with vertical gratings on silicon chip. . https://doi.org/10.1063/1.2936862

We propose a wavelength selective coupler using vertical grating structure on silicon chip and discuss the operation principle and the analytic design procedure. The transmission spectra expected by the procedure agree with finite difference time dom... Read More about Wavelength selective coupler with vertical gratings on silicon chip.

Fabrication approaches for metallo-dielectric plasmonic waveguides (2008)
Conference Proceeding
Nezhad, M., Zamek, S., Pang, L., & Fainman, Y. (2008). Fabrication approaches for metallo-dielectric plasmonic waveguides. In Advanced Fabrication Technologies for Micro/Nano Optics and Photonics. https://doi.org/10.1117/12.768161

Different techniques for fabricating long-range plasmonic metallo-dielectric waveguides are discussed. The approaches depend strongly on the material system in use. Specific results are presented for SU8 and PDMS.

Fabrication techniques for long range surface plasmon waveguides (2007)
Conference Proceeding
Nezhad, M., Zamek, S., Pang, L., & Fainman, Y. (2007). Fabrication techniques for long range surface plasmon waveguides. In LEOS 2007 - IEEE Lasers and Electro-Optics Society Annual Meeting Conference Proceedings (604-605). https://doi.org/10.1109/LEOS.2007.4382551

We present different techniques for fabricating long-range plasmonic waveguides. Due to the requirement of symmetric cladding, fabrication is highly dependent on the material system used. Results are given for materials such as SU8 and polydimethylsi... Read More about Fabrication techniques for long range surface plasmon waveguides.

Continuous-wave band translation between the near-infrared and visible spectral ranges (2007)
Journal Article
Jiang, R., Saperstein, R., Alic, N., Nezhad, M., McKinstrie, C., Ford, J., …Radic, S. (2007). Continuous-wave band translation between the near-infrared and visible spectral ranges. Journal of Lightwave Technology, 25(1), 58-66. https://doi.org/10.1109/JLT.2006.888935

Wavelength conversion based on degenerate four-wave mixing in a photonic crystal fiber with two zero-dispersion wavelengths is investigated both theoretically and experimentally. The proposed concept of universal band translation in a single-pass tra... Read More about Continuous-wave band translation between the near-infrared and visible spectral ranges.

Optofluidic plasmonics (2006)
Conference Proceeding
Tetz, K., Pang, L., Nezhad, M., & Fainman, Y. (2006). Optofluidic plasmonics. In Optofluidics. https://doi.org/10.1117/12.683338

In this manuscript we describe the manipulation of surface plasmon polariton (SPP) modes excited in a two dimensional periodic nanohole array scattering structure by tuning the fluid over the metal surface. We describe the fabrication processes for m... Read More about Optofluidic plasmonics.

Parametric wavelength conversion from conventional near-infrared to visible band (2006)
Journal Article
Jiang, R., Saperstein, R., Alic, N., Nezhad, M., McKinstrie, C., Ford, J., …Radic, S. (2006). Parametric wavelength conversion from conventional near-infrared to visible band. IEEE Photonics Technology Letters, 18(23), 2445-2447. https://doi.org/10.1109/LPT.2006.885591

The feasibility of distant wavelength conversion in photonic crystal fiber was explored. The one-pump parametric architecture was used to demonstrate translation from the conventional (1550 nm) to visible (500 nm) band. Experimental results are repor... Read More about Parametric wavelength conversion from conventional near-infrared to visible band.

375 THz parametric translation of modulated signal from 1550nm to visible band (2006)
Conference Proceeding
Jiang, R., Saperstein, R., Alic, N., Nezhad, M., McKinstrie, C., Ford, J., …Radic, S. (2006). 375 THz parametric translation of modulated signal from 1550nm to visible band. . https://doi.org/10.1109/OFC.2006.216052

Record parametric frequency-translation of NRZ-modulated signal over 375THz is demonstrated using silica-PCF. The 1550-nm band is mapped to visible 500-nm spectral window, proving the feasibility of all-fiber universal band translator. Both single-ch... Read More about 375 THz parametric translation of modulated signal from 1550nm to visible band.

Nanophotonics for information systems integration (2006)
Conference Proceeding
Fainman, Y., Tetz, K., Rokitski, R., Levy, U., Tsai, C.-H., Chen, C.-H., …Abashin, M. (2006). Nanophotonics for information systems integration. . https://doi.org/10.1364/NANO.2006.NThB1

Optical technology plays an increasingly important role in numerous information system applications, including optical communications, storage, signal processing, biology, medicine, and sensing. However, with these rapid technological advances, there... Read More about Nanophotonics for information systems integration.

Characterization of chemically assisted ion beam etching and Form birefringence structure fabrication in GaAs using SU-8 (2005)
Conference Proceeding
Pang, L., Nezhad, M., Levy, U., Tsai, C., & Fainman, Y. (2005). Characterization of chemically assisted ion beam etching and Form birefringence structure fabrication in GaAs using SU-8. In Micromachining Technology for Micro-Optics and Nano-Optics III (252-260). https://doi.org/10.1117/12.590564

We describe an approach to use the thin layer of SU-8 submicron pattern produced by holographic lithography as dry etching mask in chemically assisted ion beam etching (CAIBE) system. The effect of chlorine gas flow on etched sidewall was investigate... Read More about Characterization of chemically assisted ion beam etching and Form birefringence structure fabrication in GaAs using SU-8.

Form-birefringence structure fabrication in GaAs by use of SU-8 as a dry-etching mask (2005)
Journal Article
Pang, L., Nezhad, M., Levy, U., Tsai, C.-H., & Fainman, Y. (2005). Form-birefringence structure fabrication in GaAs by use of SU-8 as a dry-etching mask. Applied Optics, 44(12), 2377-2381. https://doi.org/10.1364/AO.44.002377

A thin layer of a SU-8 submicrometer pattern produced by holographic lithography was directly used as the dry-etching mask in a chemically assisted ion-beam-etching system. With optimized etching parameters, etching selectivity of 7:1 was achieved to... Read More about Form-birefringence structure fabrication in GaAs by use of SU-8 as a dry-etching mask.

Implementation of a graded-index medium by use of subwavelength structures with graded fill factor (2005)
Journal Article
Levy, U., Nezhad, M., Kim, H.-C., Tsai, C.-H., Pang, L., & Fainman, Y. (2005). Implementation of a graded-index medium by use of subwavelength structures with graded fill factor. Journal of the Optical Society of America A, 22(4), 724-733. https://doi.org/10.1364/JOSAA.22.000724

We present a novel configuration for the implementation of subwavelength-based graded-index devices. The proposed concept is based on the etching of one-dimensional subwavelength gratings into a high-index slab waveguide to achieve the desired effect... Read More about Implementation of a graded-index medium by use of subwavelength structures with graded fill factor.

Nanophotonic materials and devices for information systems integration (2005)
Conference Proceeding
Fainman, Y., Tetz, K., Rokitski, R., Levy, U., Tsai, C.-H., Chen, C.-H., …Abashin, M. (2005). Nanophotonic materials and devices for information systems integration. . https://doi.org/10.1364/FIO.2005.FTuJ1

Optical technology plays an increasingly important role in numerous information system applications, including optical communications, storage, signal processing, biology, medicine, and sensing. As optical technology develops, there is a growing need... Read More about Nanophotonic materials and devices for information systems integration.

Ultra short surface plasmon polaritons in photonic crystal structures (2005)
Conference Proceeding
Fainman, Y., Tetz, K., Rokitski, R., & Nezhad, M. (2005). Ultra short surface plasmon polaritons in photonic crystal structures. In International Quantum Electronics Conference, 2005 (475-476). https://doi.org/10.1109/IQEC.2005.1560915

We present experimental characterization of femtosecond-scale surface plasmon polariton pulses, propagating along the surface of thin metallic film, perforated with a 2D array of circular nanoholes.

Characterization of surface plasmon polariton pulse propagation on thin metallic films and two dimensional nanohole arrays (2005)
Conference Proceeding
Tetz, K., Rokitski, R., Nezhad, M., & Fainman, Y. (2005). Characterization of surface plasmon polariton pulse propagation on thin metallic films and two dimensional nanohole arrays. In 2005 IEEE LEOS Annual Meeting Conference Proceedings (141-142). https://doi.org/10.1109/LEOS.2005.1547918

A variety of techniques, including spectral measurements, near-field, and time-resolved spatial heterodyne imaging technique are employed to investigate the properties of surface plasmon polaritons. Such techniques may prove useful for investigating... Read More about Characterization of surface plasmon polariton pulse propagation on thin metallic films and two dimensional nanohole arrays.

Excitation and direct imaging of surface plasmon polariton modes in a two-dimensional grating (2005)
Journal Article
Tetz, K., Rokitski, R., Nezhad, M., & Fainman, Y. (2005). Excitation and direct imaging of surface plasmon polariton modes in a two-dimensional grating. Applied Physics Letters, 86(11), 1-3. https://doi.org/10.1063/1.1883334

We describe the simultaneous excitation and direct far-field imaging of the scattering from surface plasmon polariton modes in a two-dimensional metallic hole array grating. Conditions for the coupling and imaging are discussed, where the coupling is... Read More about Excitation and direct imaging of surface plasmon polariton modes in a two-dimensional grating.

Propagation of surface plasmon polaritons on the boundary of a metal and a gain medium (2004)
Conference Proceeding
Nezhad, M., Tetz, K., Levy, U., & Fainman, Y. (2004). Propagation of surface plasmon polaritons on the boundary of a metal and a gain medium. In The 17th Annual Meeting of the IEEELasers and Electro-Optics Society, 2004. LEOS 2004 (945-946). https://doi.org/10.1109/LEOS.2004.1363557

We show that surface plasmon polariton propagation on a metal surface adjacent to a gain medium can compensate for the metallic loss, thereby increasing the propagation length. Rigorous and numerical finite element studies of various interface geomet... Read More about Propagation of surface plasmon polaritons on the boundary of a metal and a gain medium.

Excitation and direct imaging of surface plasmon polariton modes in the near-infrared (2004)
Conference Proceeding
Tetz, K., Rokitski, R., Nezhad, M., & Fainman, Y. (2004). Excitation and direct imaging of surface plasmon polariton modes in the near-infrared. . https://doi.org/10.1109/LEOS.2004.1363558

This paper describes techniques for the simultaneous excitation and imaging of various SPP modes in a 2-D periodic hole array, and show that these features are consistent with the dispersion relation for SPPs on a periodically modulated surface.

Nanophotonics for optoelectronic system integration (2004)
Conference Proceeding
Fainman, Y., Tetz, K., Levy, U., Nakagawa, W., Tsai, C.-H., Chen, C.-H., …Sun, P. (2004). Nanophotonics for optoelectronic system integration. . https://doi.org/10.1109/LEOS.2004.1363102

This study explores the unique capabilities and advantages of nanotechnology in developing next generation integrated photonic chips. The described approach includes design, modeling and simulations of example components and devices, their nanofabric... Read More about Nanophotonics for optoelectronic system integration.

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