Broadband fiber-chip zero-order surface grating coupler with 0.4 dB efficiency

A Sánchez-Postigo, JG Wangüemert-Pérez… - Optics Letters, 2016 - opg.optica.org
Surface grating couplers enable efficient coupling of light between optical fibers and
nanophotonic waveguides. However, in conventional grating couplers, the radiation angle is …

Dual-band fiber-chip grating coupler in a 300 mm silicon-on-insulator platform and 193 nm deep-UV lithography

D González-Andrade, D Pérez-Galacho… - Optics Letters, 2021 - opg.optica.org
Surface grating couplers are fundamental building blocks for coupling the light between
optical fibers and integrated photonic devices. However, the operational bandwidth of …

Dual-band polarization-independent subwavelength grating coupler for wavelength demultiplexing

T Hao, A Sánchez-Postigo, P Cheben… - IEEE Photonics …, 2020 - ieeexplore.ieee.org
Surface grating couplers are diffractive periodic structures that enable efficient coupling of
light between optical fibers and planar waveguides. Conventional grating couplers have …

CMOS-compatible high efficiency double-etched apodized waveguide grating coupler

C Li, H Zhang, M Yu, GQ Lo - Optics express, 2013 - opg.optica.org
We present a high efficiency double-etched apodized fiber-to-waveguide grating coupler on
a silicon-on-insulator substrate, which can be fabricated using deep UV photolithography …

Continuously apodized fiber-to-chip surface grating coupler with refractive index engineered subwavelength structure

R Halir, P Cheben, JH Schmid, R Ma, D Bedard… - Optics letters, 2010 - opg.optica.org
We demonstrate a fully etched, continuously apodized fiber-to-chip surface grating coupler
for the first time (to our knowledge). The device is fabricated in a single-etch step and …

Single-etch subwavelength engineered fiber-chip grating couplers for 1.3 µm datacom wavelength band

D Benedikovic, C Alonso-Ramos, P Cheben… - Optics …, 2016 - opg.optica.org
We report, for the first time, on the design and experimental demonstration of fiber-chip
surface grating couplers based on subwavelength grating engineered nanostructure …

Subwavelength index engineered surface grating coupler with sub-decibel efficiency for 220-nm silicon-on-insulator waveguides

D Benedikovic, P Cheben, JH Schmid, DX Xu… - Optics express, 2015 - opg.optica.org
Surface grating couplers are fundamental components in chip-based photonic devices to
couple light between photonic integrated circuits and optical fibers. In this work, we report on …

Dual-etch apodised grating couplers for efficient fibre-chip coupling near 1310 nm wavelength

X Chen, DJ Thomson, L Crudginton, AZ Khokhar… - Optics …, 2017 - opg.optica.org
We present our recent work on fibre-chip grating couplers operating around 1310 nm. For
the first time, we demonstrate the combination of dual-etch and apodization design …

Subwavelength waveguide grating coupler for fiber-to-chip coupling on SOI with 80nm 1dB-bandwidth

X Chen, CKY Fung, YM Chen… - CLEO: 2011-Laser …, 2011 - ieeexplore.ieee.org
Subwavelength waveguide grating coupler for fiber-to-chip coupling on SOI with 80nm 1dB-Bandwidth
Page 1 Subwavelength Waveguide Grating Coupler for Fiber-toChip Coupling on SOI with …

L-shaped fiber-chip grating couplers with high directionality and low reflectivity fabricated with deep-UV lithography

D Benedikovic, C Alonso-Ramos, D Pérez-Galacho… - Optics Letters, 2017 - opg.optica.org
Grating couplers enable position-friendly interfacing of silicon chips by optical fibers. The
conventional coupler designs call upon comparatively complex architectures to afford …