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Compact bends for multi-mode photonic crystal waveguides with high transmission and suppressed modal crosstalk
Nanophotonics photonic crystals Integrated optics devices Photonic crystal waveguides
2015/8/7
We demonstrate an extremely compact bend for a photonic crystal waveguide supporting three spatial modes. The bend exhibits nearly 100% transmission over a relative bandwidth of 1% with less than 1% c...
Ultra-compact photonic crystal waveguide spatial mode converter and its connection to the optical diode effect
Integrated optics devices Guided waves
2015/8/7
We design an extremely compact photonic crystal waveguide spatial mode converter which converts the fundamental even mode to the higher order odd mode with nearly 100% efficiency. We adapt a pre...
III-V-Based Photonic Crystal Technology for Integrated All-Optical Processing
III-V-Based Photonic Crystal Technology Integrated All-Optical Processing
2015/7/14
We report on the dramatic enhancement of the nonlinear response in ultra-compact photonic crystal waveguides and cavities based on III-Vs. Ultra-fast operations (gating, demultiplexing, re-timing and ...
Ultra-Compact Photonic-Crystal-Based Tuneable Mach-Zehnder Interferometer for Low-Power Integrated Optical Switches
Photonic-Crystal Tuneable Mach-Zehnder Interferometer Low-Power Integrated Optical Switches
2015/8/4
The “slow light” property and wide-band 90°-bends of pillar-photonic-crystal waveguides enables entire-C-band ultra-compact optical devices. We demonstrate tuneable Mach-Zehnder interferometers with a...
Compact integrated photonic crystal demultiplexer for emitting and receiving InP photonic integrated circuits
integrated photonic crystal demultiplexer InP photonic integrated circuits
2015/8/4
Photonic-crystal-based demultiplexers, compact and versatile, are successfully used to demonstrate a polarisation-diversity receiving InP-based chip and a laser with integrated wavelength monitor. Sel...
Nonlinear photonic crystal microdevices for optical integration
Nonlinear photonic crystal microdevices optical integration
2015/8/11
A four-port nonlinear photonic crystal system is discussed that exhibits optical bistability with negligible backscattering to the inputs, making it particularly suitable for integration with other ac...