On-chip optical true time delay lines based on subwavelength grating waveguides
An optical true time delay line (OTTDL) is a fundamental building block for signal processing
applications in microwave photonics and optical communications. Here, we experimentally …
applications in microwave photonics and optical communications. Here, we experimentally …
Subwavelength grating enabled on-chip ultra-compact optical true time delay line
An optical true time delay line (OTTDL) is a basic photonic building block that enables many
microwave photonic and optical processing operations. The conventional design for an …
microwave photonic and optical processing operations. The conventional design for an …
[HTML][HTML] Cladding modulated silicon waveguide Bragg grating with TM-polarized light for optical true time delay line
An optical true time delay line (OTTDL) is an essential component in optical signal
processing. A Bragg grating structure is usually employed in OTTDL design, which makes it …
processing. A Bragg grating structure is usually employed in OTTDL design, which makes it …
Demonstration of tunable optical delay lines based on apodized grating waveguides
S Khan, S Fathpour - Optics express, 2013 - opg.optica.org
High-speed and tunable integrated optical delay lines are demonstrated based on silicon
grating waveguides apodized by the super-Gaussian function. The submicron channel …
grating waveguides apodized by the super-Gaussian function. The submicron channel …
High-density integrated delay line using extreme skin-depth subwavelength grating waveguides
Optical delay lines control the flow of light in time, introducing phase and group delays for
engineering interferences and ultrashort pulses. Photonic integration of such optical delay …
engineering interferences and ultrashort pulses. Photonic integration of such optical delay …
3-bit substrate-guided-mode optical true-time-delay lines operating at 25 GHz
RLQ Li, RT Chen - IEEE Photonics Technology Letters, 1997 - ieeexplore.ieee.org
We report a high packing density true-time-delay lines based on substrate guided wave
propagation combined with slanted volume phase grating fanout couplers. Three-bit delay …
propagation combined with slanted volume phase grating fanout couplers. Three-bit delay …
Scalable and reconfigurable true time delay line based on an ultra-low-loss silica waveguide
QQ Song, ZF Hu, KX Chen - Applied Optics, 2018 - opg.optica.org
A scalable and reconfigurable on-chip optical true time delay line consisting of Mach–
Zehnder interferometer (MZI) switches and delay waveguides is proposed and …
Zehnder interferometer (MZI) switches and delay waveguides is proposed and …
Large group delay and low loss optical delay line based on chirped waveguide Bragg gratings
Y Li, L Xu, D Wang, Q Huang, C Zhang, X Zhang - Optics Express, 2023 - opg.optica.org
On-chip optical delay lines (ODLs) based on chirped waveguide Bragg gratings (CWBG)
have attracted much attention in recent years. Although CWBGs are well developed, the …
have attracted much attention in recent years. Although CWBGs are well developed, the …
Integrated discretely tunable optical delay line based on step-chirped subwavelength grating waveguide Bragg gratings
We demonstrate experimentally a discretely tunable optical delay line (ODL) using a step-
chirped subwavelength grating (SWG) waveguide Bragg grating (BG) in silicon-on-insulator …
chirped subwavelength grating (SWG) waveguide Bragg grating (BG) in silicon-on-insulator …
Optical delay line employing an arrayed waveguide grating in fold-back configuration
A novel optical delay line (ODL) using an arrayed-waveguide grating (AWG) in fold-back
configuration is proposed and experimentally demonstrated. This fold-back configuration …
configuration is proposed and experimentally demonstrated. This fold-back configuration …