All Outputs (38)

Silicon nanophotonics integration for chip-scale optical communication (2014)
Conference Proceeding
Grieco, A., Tan, D., Ikeda, K., Nezhad, M., Puckett, M., & Fainman, Y. (2014). Silicon nanophotonics integration for chip-scale optical communication. In Smart Photonic and Optoelectronic Integrated Circuits XVI. https://doi.org/10.1117/12.2044610

We will describe recent work in the area of integrated nanophotonics that have applications to on chip communication. In this context we will present passive filters and resonators produced through periodic waveguide modulation. We will also demonstr... Read More about Silicon nanophotonics integration for chip-scale optical communication.

Active nanophotonics technology (2013)
Conference Proceeding
Fainman, Y., Tan, D., Zamek, S., Bondarenko, O., Simic, A., Mizrahi, A., …Slutsky, B. (2013). Active nanophotonics technology. In 2013 IEEE Photonics Conference (329-330). https://doi.org/10.1109/IPCon.2013.6656570

Composite metal-dielectric-semiconductor nanostructures are used to design, fabricate and test nanoscale resonators and nanolasers that utilize various modes confined in all three dimensions. Integration with silicon photonics material platform is al... Read More about Active nanophotonics technology.

Novel transmission lines for Si MZI modulators (2013)
Conference Proceeding
Merget, F., Sharif Azadeh, M., Shen, B., Nezhad, M., Hauck, J., & Witzens, J. (2013). Novel transmission lines for Si MZI modulators. In 10th International Conference on Group IV Photonics (61-62). https://doi.org/10.1109/Group4.2013.6644426

We present MZI Silicon Photonics modulators with an advanced transmission line design which overcomes bandwidth limitations arising from crosstalk and improves linear losses. Push-pull optical bandwidth of 22.2 GHz with V π L=1.6 V·cm is experimental... Read More about Novel transmission lines for Si MZI modulators.

Electrically pumped metallo-dielectric pedestal nanolasers (2013)
Conference Proceeding
Gu, Q., Wingad, B., Vallini, F., Slutsky, B., Katz, M., Nezhad, N., …Fainman, Y. (2013). Electrically pumped metallo-dielectric pedestal nanolasers. In 2013 Conference on Lasers and Electro-Optics Pacific Rim (CLEOPR) (1-2). https://doi.org/10.1109/CLEOPR.2013.6600141

Electrically pumped metallo-dielectric nanolasers are demonstrated. Employing a two-step InP chemical etching, we obtain straight pedestal sidewalls and preferentially reduce the diameter of the n-doped InP cladding more than the p-doped one for opti... Read More about Electrically pumped metallo-dielectric pedestal nanolasers.

Analog signal processing/filtering (2011)
Conference Proceeding
Fainman, Y., Tan, D., Grieco, A., Zamek, S., Ikeda, K., Fang, L., …Slutsky, B. (2011). Analog signal processing/filtering. In IEEE Photonic Society 24th Annual Meeting (141-142). https://doi.org/10.1109/PHO.2011.6110465

In this talk, some of the metamaterials and devices that recently have been demonstrated in the authors' lab are discussed. These include graded-index lenses, birefringent elements that utilize a combination of geometry and material properties to sep... Read More about Analog signal processing/filtering.

Kerr nonlinearity in silicon beyond 2.35μm (2011)
Conference Proceeding
Zlatanovic, S., Gholami, F., Simic, A., Liu, L., Alic, N., Nezhad, M., …Radic, S. (2011). Kerr nonlinearity in silicon beyond 2.35μm. In 2011 IEEE Photonics Society Summer Topical Meeting Series (59-60). https://doi.org/10.1109/PHOSST.2011.6000043

We present measurements of χ ^(3) in silicon in the 2.35 to 2.75μm interval, showing Kerr coefficients close to 1×10^( -18) m ^(2) /W. The results clearly identify silicon as a promising platform for nonlinear processes in the mid-infrared.

Nanophotonic devices and circuits (2011)
Conference Proceeding
Nezhad, M., Simic, A., Bondarenko, O., Slutsky, B., Mizrahi, A., & Fainman, Y. (2011). Nanophotonic devices and circuits. In Proceedings, Optoelectronic Integrated Circuits XIII (79420A). https://doi.org/10.1117/12.877118

Advances in nanoscale fabrication techniques in dielectric and metallic material systems has opened up new opportunities in photonics and plasmonics for solving long standing problems in information systems and telecommunication systems. In this talk... Read More about Nanophotonic devices and circuits.

Kerr nonlinearity in silicon beyond 2.35μm (2011)
Conference Proceeding
Zlatanovic, S., Gholami, F., Simic, A., Liu, L., Alic, . N., Nezhad, M., …Radic, . S. (2011). Kerr nonlinearity in silicon beyond 2.35μm. In 2011 IEEE Photonics Society Summer Topical Meeting Series (59-60). https://doi.org/10.1109/PHOSST.2011.6000043

We present measurements of χ (3) in silicon in the 2.35 to 2.75μm interval, showing Kerr coefficients close to 1×10 -18 m 2 /W. The results clearly identify silicon as a promising platform for nonlinear processes in the mid-infrared.

Electrically pumped subwavelength metallo-dielectric laser with low threshold gain (2011)
Conference Proceeding
Lee, J.-H., Simic, A., Khajavikhan, M., Bondarenko, O., Gu, Q., Slutsky, B., …Fainman, Y. (2011). Electrically pumped subwavelength metallo-dielectric laser with low threshold gain. In CLEO:2011 - Laser Applications to Photonic Applications, OSA Technical Digest (paper JMA3). https://doi.org/10.1364/CLEO_AT.2011.JMA3

An electrically pumped subwavelength metallo-dielectric laser with a low threshold gain is demonstrated. To achieve low threshold gain, we selectively etch InP electrical channel diameter. Lasing operation is observed for temperatures up to 180 K.

Active and passive composite metal-Dielectric nanophotonic devices (2011)
Conference Proceeding
Fainman, Y., Bondarenko, O., Simic, A., Mizrahi, A., Lomakin, V., Gu, Q., …Nezhad, M. (2011). Active and passive composite metal-Dielectric nanophotonic devices. In CLEO: 2011 - Laser Science to Photonic Applications (1-2). https://doi.org/10.1364/CLEO_AT.2011.JMD1

We explore metallo-dielectric composite nanostructures for localization and resonant excitation of optical fields and investigate design, fabrication and testing of nanolasers. Integration with silicon photonics material platform is demonstrated.

Wide bandwidth, low loss 1 by 4 wavelength division multiplexer on silicon for optical interconnects (2011)
Conference Proceeding
Tan, D., Ikeda, K., Zamek, S., Mizrahi, A., Nezhad, M., Krishnamoorthy, A., …Fainman, Y. (2011). Wide bandwidth, low loss 1 by 4 wavelength division multiplexer on silicon for optical interconnects. In 2011 Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (1-3)

We demonstrate an add/drop filter based on coupled vertical gratings on silicon. The concept is extended to implement a 1 by 4 wavelength division multiplexer with 3nm bandwidth, 1dB insertion loss and 16dB crosstalk suppression.

Fabrication approaches for metallo-dielectric nanolasers (2011)
Conference Proceeding
Nezhad, M., Simic, A., Bondarenko, O., Gu, Q., Lee, J., Khajavikhan, M., …Fainman, Y. (2011). Fabrication approaches for metallo-dielectric nanolasers. In IEEE Winter Topicals 2011 (11-12). https://doi.org/10.1109/PHOTWTM.2011.5730021

Metallo-dielectric lasers fabricated using different bonding techniques are discussed. Lasing at cryogenic and room temperatures is demonstrated.

Near-field measurement of amplitude and phase in silicon waveguides with liquid cladding (2011)
Conference Proceeding
Ayache, M., Nezhad, M., Zamek, S., Abashin, M., & Fainman, Y. (2011). Near-field measurement of amplitude and phase in silicon waveguides with liquid cladding. In IEEE Winter Topicals 2011 (95-96). https://doi.org/10.1109/PHOTWTM.2011.5730064

This work demonstrates a technique that allows optical near-field characterization of devices while preserving their optical properties. To do so, a liquid overcladding is introduced to emulate the actual overcladding of the final operational device... Read More about Near-field measurement of amplitude and phase in silicon waveguides with liquid cladding.

Curved waveguide Bragg gratings on a chip (2010)
Conference Proceeding
Zamek, S., Tan, D., Khajavikhan, M., Nezhad, M., & Fainman, Y. (2010). Curved waveguide Bragg gratings on a chip. In Frontiers in Optics 2010/Laser Science XXVI, OSA Technical Digest (paper FMH4). https://doi.org/10.1364/FIO.2010.FMH4

We demonstrate curved waveguide Bragg gratings on an SOI chip. Our approach allows long Bragg gratings to be fabricated on an extremely small area, avoiding write-field stitching errors, typically introduced in the fabrication process.

Measurement of the optical properties of gold at cryogenic temperatures (2010)
Conference Proceeding
Nezhad, M., Simic, A., & Fainman, Y. (2010). Measurement of the optical properties of gold at cryogenic temperatures. In Frontiers in Optics 2010/Laser Science XXVI, OSA Technical Digest. https://doi.org/10.1364/FIO.2010.FThR4

Optical constants of gold are measured at cryogenic temperatures. The imaginary part of epsilon exhibits a drop at longer wavelengths. This directly demonstrates that performance of metal-based optical devices can be improved by cryogenic cooling.

Active and passive nanophotonics for information systems applications (2010)
Conference Proceeding
Fainman, Y., Tan, D., Zamek, S., Bondarenko, O., Simic, A., Mizrahi, A., …Slutsky, B. (2010). Active and passive nanophotonics for information systems applications. In IEEE Winter Topicals 2011 (145-146). https://doi.org/10.1109/PHOTWTM.2011.5730089

This paper explores the role of nanotechnology with focus on nanophotonics in dielectric, metal, and semiconductor inhomogeneous metamaterials and devices for optical communications, information and signal processing, and sensing.

Wavelength selective coupler on silicon for applications in wavelength division multiplexing (2010)
Conference Proceeding
Tan, D., Ikeda, K., Zamek, S., Mizrahi, A., Nezhad, M., & Fainman, Y. (2010). Wavelength selective coupler on silicon for applications in wavelength division multiplexing. . https://doi.org/10.1109/PHOSST.2010.5553685

A wavelength selective add/drop filter based on coupled vertical gratings is proposed for applications in wavelength division multiplexing on silicon. We demonstrate tailoring of device bandwidth and channel location.

Coupled vertical gratings on silicon for applications in wavelength division multiplexing (2010)
Conference Proceeding
Tan, D., Ikeda, K., Mizrahi, A., Nezhad, M., & Fainman, Y. (2010). Coupled vertical gratings on silicon for applications in wavelength division multiplexing. In Proceedings, Optoelectronic Interconnects and Component Integration IX (760705). https://doi.org/10.1117/12.841061

An add/drop filter based on coupled vertical gratings is presented on silicon. We analyze the device theoretically and experimentally and show that the concept is easily extended to multi-channel add/drop filters. We demonstrate tunability of the dev... Read More about Coupled vertical gratings on silicon for applications in wavelength division multiplexing.

Nanophotonics for integrated information systems (2010)
Conference Proceeding
Fainman, Y., Simic, A., Bondarenko, O., Slutsky, B., Mizrahi, A., & Nezhad, M. (2010). Nanophotonics for integrated information systems. . https://doi.org/10.1109/PHOTONICS.2010.5698870

Advances in nanoscale fabrication techniques in dielectric and metallic material systems has opened up new opportunities in photonics and plasmonics for solving long standing problems in information systems and telecommunication systems. Optics in ge... Read More about Nanophotonics for integrated information systems.

Room temperature operation of subwavelength metallo-dielectric lasers (2009)
Conference Proceeding
Nezhad, M., Simic, A., Bondarenko, O., Slutsky, B., Mizrahi, A., Feng, F., …Fainman, Y. (2009). Room temperature operation of subwavelength metallo-dielectric lasers. . https://doi.org/10.1364/IPNRA.2009.JTuA1

Lasing is demonstrated in optically pumped InGaAsP-SiO2-aluminum structures, where both the resonator and the optical mode are subwavelength in all three dimensions. In the smallest case, a 550nm diameter InGaAsP disk exhibits lasing at 1390nm.