Callum G. Littlejohns
50 Nanyang Avenue, 639798
Singapore
Singapore
Last Updated: 09/26/2026
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Found 19 publications
High efficiency and responsivity universal silicon modulator and detector for the O-band.
Journal: Optics express
Published: July 02, 2026
100 Gbps PAM4 ultra-thin photodetectors integrated on SOI platform by micro transfer printing.
Journal: Optics express
Published: November 29, 2023
Crown ether decorated silicon photonics for safeguarding against lead poisoning.
Journal: Nature communications
Published: October 24, 2023
High-speed 4 × 4 silicon photonic plasma dispersive switch, operating at the 2 µm waveband.
Journal: Optics express
Published: October 20, 2023
Study into the spread of heat from thermo-optic silicon photonic elements.
Journal: Optics express
Published: November 23, 2021
High-speed silicon Michelson interferometer modulator and streamlined IMDD PAM-4 transmission of Mach-Zehnder modulators for the 2 μm wavelength band.
Journal: Optics express
Published: May 14, 2021
Integration of low loss vertical slot waveguides on SOI photonic platforms for high efficiency carrier accumulation modulators.
Journal: Optics express
Published: August 06, 2020
Compact silicon photonic hybrid ring external cavity (SHREC)/InGaSb-AlGaAsSb wavelength-tunable laser diode operating from 1881-1947 nm.
Journal: Optics express
Published: March 04, 2020
Nonconservative Coupling in a Passive Silicon Microring Resonator.
Journal: Physical review letters
Published: July 25, 2019
Ultra-sharp asymmetric Fano-like resonance spectrum on Si photonic platform.
Journal: Optics express
Published: March 17, 2019
Silicon-on-insulator free-carrier injection modulators for the mid-infrared.
Journal: Optics letters
Published: February 16, 2019
Last Updated: 09/26/2026