Photonic-chip-based frequency combs

AL Gaeta, M Lipson, TJ Kippenberg - nature photonics, 2019 - nature.com
Recent developments in chip-based nonlinear photonics offer the tantalizing prospect of
realizing many applications that can use optical frequency comb devices that have form …

Frequency comb spectroscopy

N Picqué, TW Hänsch - Nature Photonics, 2019 - nature.com
A laser frequency comb is a broad spectrum composed of equidistant narrow lines. Initially
invented for frequency metrology, such combs enable new approaches to spectroscopy over …

Mid-infrared frequency comb via coherent dispersive wave generation in silicon nitride nanophotonic waveguides

H Guo, C Herkommer, A Billat, D Grassani, C Zhang… - Nature …, 2018 - nature.com
Mid-infrared optical frequency combs are of significant interest for molecular spectroscopy
due to the large absorption of molecular vibrational modes on the one hand, and the ability …

Mid infrared gas spectroscopy using efficient fiber laser driven photonic chip-based supercontinuum

D Grassani, E Tagkoudi, H Guo, C Herkommer… - Nature …, 2019 - nature.com
Directly accessing the middle infrared, the molecular functional group spectral region, via
supercontinuum generation processes based on turn-key fiber lasers offers the undeniable …

Mid-infrared octave spanning supercontinuum generation to 8.5 μm in silicon-germanium waveguides

M Sinobad, C Monat, B Luther-Davies, P Ma… - Optica, 2018 - opg.optica.org
Efficient on-chip molecule and bio-agent detection can be achieved by accessing strong
molecular absorption lines in the mid-infrared, but it requires high output power broadband …

Mid-infrared silicon photonic waveguides and devices

Y Zou, S Chakravarty, CJ Chung, X Xu… - Photonics Research, 2018 - opg.optica.org
Silicon has been the material of choice of the photonics industry over the last decade due to
its easy integration with silicon electronics, high index contrast, small footprint, and low cost …

Midinfrared supercontinuum generation from 2 to 6 μm in a silicon nanowire

N Singh, DD Hudson, Y Yu, C Grillet, SD Jackson… - Optica, 2015 - opg.optica.org
Silicon has attracted great interest as a platform for both linear and nonlinear integrated
photonics for over 15 years. While its primary applications have been in the telecom window …

Mode-locked mid-infrared frequency combs in a silicon microresonator

M Yu, Y Okawachi, AG Griffith, M Lipson, AL Gaeta - Optica, 2016 - opg.optica.org
Mid-infrared (mid-IR) frequency combs have broad applications in molecular spectroscopy
and chemical/biological sensing. Recently developed microresonator-based combs in this …

An octave-spanning mid-infrared frequency comb generated in a silicon nanophotonic wire waveguide

B Kuyken, T Ideguchi, S Holzner, M Yan… - Nature …, 2015 - nature.com
Laser frequency combs, sources with a spectrum consisting of hundred thousands evenly
spaced narrow lines, have an exhilarating potential for new approaches to molecular …

Octave-spanning coherent supercontinuum generation in a silicon nitride waveguide

AR Johnson, AS Mayer, A Klenner, K Luke, ES Lamb… - Optics letters, 2015 - opg.optica.org
We demonstrate the generation of a supercontinuum spanning more than 1.4 octaves in a
silicon nitride waveguide using sub-100-fs pulses at 1 μm generated by either a 53-MHz …