University of Central FloridaIPES Lab
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Research Philosophy

The IPES lab’s primary research goal is to develop transformative technologies, devices and chips in the field of integrated photonics.  A bottom-up project development approach is emphasized. That is, we design our proposed devices and systems, fabricate them in CREOL’s cleanroom facility, and characterize them in our measurement lab.  If during this exciting and challenging route, new theory or modeling is needed, we work on the more fundamental theoretical aspects of the targeted goals.


Recent Research Highlights

·  Lithium Niobate on Silicon Photonics

The objective is to develop a novel lithium-niobate-on-silicon platform for compact (submicron waveguide), low-power Mach-Zehnder modulators and ultracompact microring resonators and modulators, as well as for second-order integrated nonlinear optics and quantum optics applications.

(Funded by the ONR Young Investigator and the DARPA DOSOS Programs, as well as DOE, NASA and NSF SBIR Programs)


  Unconventional Integrated Photonic Platforms

· The objective is to develop novel optical waveguide platforms with exceptional or unprecedented properties and performance.  Demonstrated examples are T-Guides with extremely broad single-polarization behavior and topographically-anisotropic photonics with extremely broadband polarization selectivity.

   (Funded by the NSF CAREER Program)



  Chalcogenide Glass on Silicon Photonics

· The objective is to develop novel highly nonlinear chalcogenide-glass-on-silicon waveguides and microring resonators for extremely broad supercontinuum generation and other nonlinear applications.

   (Funded by the DARPA DOSOS Program)



  Mid-Infrared Silicon Photonics

The objective is to expand the realm of silicon photonics beyond the well-established near-infrared wavelengths and into the mid-infrared (3  ̶  5 µm).  Novel passive and active (nonlinear) monolithically integratable photonic devices and circuits targeting the needs of mid-infrared optics are being demonstrated.

(Funded by the NSF CAREER Program)



   Integrated Optical Delay Lines and Radio-Frequency (RF) Photonics on Silicon

The objective of this program is the demonstration of electronically-tuned analog optical delay lines, low-loss digital delay lines, optical amplifiers enhanced for high gain and monolithic integration, and switches designed for high interchannel isolation on silicon.

(Funded by NSF)



  Hybrid Integration of GaAs and Silicon Photonic Chips with Subwavelength Plasmonic Apertures on Silicon

The objective of the program is to pave the path for seamless integration of III-V and silicon devices on the same chip without bonding, but rather epitaxial growth on silicon substrates. Also, subwavelength plasmonic apertures on silicon are envisioned to be used for coupling in and out of silicon waveguides.

(Funded by NSF and NASA)