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hybrid perovskite single crystals
rubrene OFETs

Jiang, Wei

Department(s): IAMDN Executive Committee
                         Electrical and Computer Engineering
Research Interests:  developing novel photonic devices for communications, sensing, beam steering and other applications
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Telephone: 732-445-2164


Research Interests

  • Silicon nanophotonics: modulators, switches, light emission
  • Photonic crystals: devices & physics (e.g. slow light, superprism)
  • Silicon photonic microsystems: optical phased arrays, spatial light modulators, on-chip optical interconnects, optical information processing microsystems.
  • Nanoimprint and molding
  • Plasmonics and metamaterials; disordered and quasi-periodic media
  • Other interests: polymer photonics; fiber optics; laser beam steering;gratings; liquid crystals; phased array antennas.


Parity & Time Reversal Symmetry in Multi-dimensional Photonic Crystals
  • Symmetry plays important roles in designing photonic crystal structures and devices or, more generally, 2D/3D photonic synthetic structures.
  • Even-Odd mode-symmetry/parity transform in PCWs shows the potential of breaking time-reversal symmetry, enabling one-way waveguidesor optical isolators.
  • Symmetry-induced singularities can lead to ultra-high sensitivities in superprism effects whilemaintaining low loss.
  • Symmetrical structures can enable a class of novel wavelength-division-multiplexing (WDM) devices.
  • Provisional Patent filed.


Slow light Thermo-optic Switches
  • Power consumption and spatial temperature profile are found as explicit functions of structural, thermal and optical parameters
  • Agree with FEM simulations and experiments
  • Air-bridge (membrane) configuration is shown to enhance the temperature rise compared to the SOI structure.
  • Scaling of power consumption with key parameters (buried oxide layer thickness, heater location & width, group index, etc.)
  • Practical analysis of slow light loss in photonic crystal waveguide switches
  • Sub-milliwatt switching power is possible
  • Substrate effect can be precisely modeled


Dual racetrack Si micro-resonators for quadrature amplitude modulation
  • Strong coherent cross-coupling between two parallel racetrack micro-resonators
  • In over-coupling scenario, there is a delicate balance between the direct sum and “interactions” of two resonances
  • Large amplitude & phase modulation ranges
  • Suitable for arbitrary quadrature amplitude modulation (including DPSK, QPSK, 16-QAM, etc.)
  • Resilient against fabrication imperfections



Advancing Nanotechnology - IAMDN New Microscopes


Rutgers new scanning transmission electron microscope and new helium ion microscope help researchers develop nanotechnology used to fight cancer, generate power, and create more powerful electronics. Watch the video to learn more.

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