Panelist: Morichetti

Information Acquisition, Processing, and Display

  • Spotlight Summary by Francesco Morichetti

    • Monolithically integrated 112 Gbps PAM4 optical transmitter and receiver in a 45 nm CMOS-silicon photonics process
    • Sustainable growth of data-processing bandwidth in high-performance computing requires a substantial reduction of the energy that is consumed for the transmission and detection of every single bit. High-speed optical...
    • Opt. Express 31(15) 24926-24938 (2023) View: Abstract | HTML | PDF

Light–Matter Interactions

  • Spotlight Summary by Francesco Morichetti

    • 2  μm optical frequency comb generation via optical parametric oscillation from a lithium niobate optical superlattice box resonator
    • There are wavelength ranges where the generation of coherent radiation is more difficult than others and novel concepts of light sources need to be developed. In the mid-infrared (MIR) region, where direct laser...
    • Photon. Res. 10(2) 509-515 (2022) View: Abstract | HTML | PDF

  • Spotlight Summary by Francesco Morichetti

    • Thulium-doped tellurium oxide microring lasers integrated on a low-loss silicon nitride platform
    • Less than one month ago, we spotlighted the development of a high-performance visible-range tuneable laser integrated in Si3N4 platform...
    • Opt. Mater. Express 11(11) 3656-3665 (2021) View: Abstract | HTML | PDF

  • Spotlight Summary by Francesco Morichetti

    • On-chip rotated polarization directional coupler fabricated by femtosecond laser direct writing
    • Another story written with a femtosecond laser pen
       
      Femtosecond laser writing is a versatile and cost effective tool to build arbitrary optical structures in a glass substrate. The beauty of this technique...
    • Opt. Lett. 44(1) 102-105 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by Francesco Morichetti

    • Hybrid metal-dielectric nanocavity for enhanced light-matter interactions
    • Hybrid metal-dielectric nanocavities: in medio stat virtus

      Strong confinement of the light in a very small volume is the key towards efficient broadband cavity quantum electrodynamics (CQED) systems. Scientists...
    • Opt. Mater. Express 7(1) 231-239 (2017) View: Abstract | HTML | PDF

  • Spotlight Summary by Francesco Morichetti

    • Silicon-based monolithic optical frequency comb source
    • Optical frequency combs made of a large number of precisely spaced and sharp spectral lines distributed over a broad spectral range are becoming more and more attractive tools in many different fields. Optical clocks...
    • Opt. Express 19(15) 14233-14239 (2011) View: Abstract | HTML | PDF

Optical Design and Instrumentation

  • Spotlight Summary by Francesco Morichetti

    • Copper micro-electrode fabrication using laser printing and laser sintering processes for on-chip antennas on flexible integrated circuits
    • Flexible, stretchable, wearable, portable…this is what many applications today ask electronics to be. This means that novel manufacturing processes and materials are required to build electronics on unconventional...
    • Opt. Mater. Express 9(7) 3046-3058 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by Francesco Morichetti

    • All-silicon-based nano-antennas for wavelength and polarization demultiplexing
    • Antennas can radiate and detect electromagnetic waves along well-defined directions. This is something everyone probably knows very well. Yet, far beyond this common perception, there is much more we can do with an...
    • Opt. Express 26(10) 12344-12362 (2018) View: Abstract | HTML | PDF

  • Spotlight Summary by Francesco Morichetti

    • Silicon-based monolithic optical frequency comb source
    • Optical frequency combs made of a large number of precisely spaced and sharp spectral lines distributed over a broad spectral range are becoming more and more attractive tools in many different fields. Optical clocks...
    • Opt. Express 19(15) 14233-14239 (2011) View: Abstract | HTML | PDF

  • Spotlight Summary by Francesco Morichetti

    • Ultrafast laser inscription of an integrated photonic lantern
    • Future developments will make it clearer, but today we have a good preview of integrated optics as a 3D world...


      In many applicative fields, fiber-optic devices are bound to be replaced by their integrated...

    • Opt. Express 19(6) 5698-5705 (2011) View: Abstract | HTML | PDF

Optics in Biology and Medicine

  • Spotlight Summary by Francesco Morichetti

    • Ultrasensitive THz biosensor for PCR-free cDNA detection based on frequency selective surfaces
    • Fast and accurate tools for detection and analysis of biomolecules are essential for modern medicine and healthcare. One example over all is DNA detection, where high sensitivity and high specificity are main keywords....
    • Biomed. Opt. Express 11(1) 448-460 (2020) View: Abstract | HTML | PDF

Optoelectronics

  • Spotlight Summary by Francesco Morichetti

    • Monolithically integrated 112 Gbps PAM4 optical transmitter and receiver in a 45 nm CMOS-silicon photonics process
    • Sustainable growth of data-processing bandwidth in high-performance computing requires a substantial reduction of the energy that is consumed for the transmission and detection of every single bit. High-speed optical...
    • Opt. Express 31(15) 24926-24938 (2023) View: Abstract | HTML | PDF

  • Spotlight Summary by Francesco Morichetti

    • Design and implementation of a Si3N4 three-stigmatic-point arrayed waveguide grating with a resolving power over 17,000
    • Photonic integrated circuits are attracting increasing interest in astronomic applications, where device miniaturization is a key issue for reducing cost and improving the stability of the optical measurement systems...
    • Opt. Express 31(4) 6389-6400 (2023) View: Abstract | HTML | PDF

  • Spotlight Summary by Francesco Morichetti

    • Mid-infrared polarization-insensitive grating coupler
    • Mid-infrared (Mid-IR) is a wavelength range of increasing interest for many applications, including free-space optical communications, advanced systems for positioning and ranging, molecular spectroscopy and sensing. To...
    • Opt. Lett. 47(20) 5381-5384 (2022) View: Abstract | HTML | PDF

  • Spotlight Summary by Francesco Morichetti

    • High-performance modified uni-traveling carrier photodiode integrated on a thin-film lithium niobate platform
    • Photonic integration is constantly looking for novel material platforms to implement more advanced functionalities operated at higher speed and reduced power consumption. When a new photonic technology is born, it is...
    • Photon. Res. 10(6) 1338-1343 (2022) View: Abstract | HTML | PDF   [1]

  • Spotlight Summary by Francesco Morichetti

    • Hybrid-integrated diode laser in the visible spectral range
    • Integration of new laser sources on a chip has always been considered a key milestone in the evolution of photonic integrated platforms. With respect to systems with external light sources, having the laser on board not...
    • Opt. Lett. 46(19) 4904-4907 (2021) View: Abstract | HTML | PDF

  • Spotlight Summary by Francesco Morichetti

    • Compact and broadband multimode waveguide bend by shape-optimizing with transformation optics
    • Transformation optics is a powerful technique that simplifies the modelling of optical devices by suitably modifying the coordinate system. Thanks to the form-invariance of Maxwell equations, the transformed device in...
    • Photon. Res. 8(12) 1843-1849 (2020) View: Abstract | HTML | PDF

  • Spotlight Summary by Francesco Morichetti

    • Widely tunable, heterogeneously integrated quantum-dot O-band lasers on silicon
    • What is a laser? Should we simplify the definition of a laser to the extreme, we could say that a laser is an optical cavity with a gain sufficiently high to induce a positive feedback. However, when high performances...
    • Photon. Res. 8(10) 1551-1557 (2020) View: Abstract | HTML | PDF

  • Spotlight Summary by Francesco Morichetti

    • Hybrid integrated InP-Si3N4 diode laser with a 40-Hz intrinsic linewidth
    • Semiconductor laser diodes are widely employed in many different applications because of their compactness and cost-effectiveness. However, when a very narrow linewidth is required, such as in high data-rate coherent...
    • Opt. Express 28(15) 21713-21728 (2020) View: Abstract | HTML | PDF

  • Spotlight Summary by Francesco Morichetti

    • Anisotropic metamaterial-assisted all-silicon polarizer with 415-nm bandwidth
    • When talking about photonic integrated circuits, one of the first questions we are asked about is their polarization sensitivity. The main reason is that it is extremely challenging to realize photonic devices that are...
    • Photon. Res. 7(12) 1432-1439 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by Francesco Morichetti

    • Ultralow crosstalk nanosecond-scale nested 2 × 2 Mach–Zehnder silicon photonic switch
    • Fast switching in silicon photonics gets record performance. High-performance supercomputing and datacentre networks yearns for energy-efficient solutions for fast and high-capacity data switching in high-port-count...
    • Opt. Lett. 41(13) 3002-3005 (2016) View: Abstract | HTML | PDF

  • Spotlight Summary by Francesco Morichetti

    • Broadband on-chip near-infrared spectroscopy based on a plasmonic grating filter array
    • Broadband high-resolution spectroscopy: plasmonics makes it cheap on a chip.

      The development of portable, cost-effective solutions for on-site sensing requires spectroscopy systems that use neither expensive nor...
    • Opt. Lett. 41(9) 1913-1916 (2016) View: Abstract | HTML | PDF

  • Spotlight Summary by Francesco Morichetti

    • Direct fabrication of silicon photonic devices on a flexible platform and its application for strain sensing
    • Don’t be so rigid, even photonics can be softer...

      Everybody working in photonics has the perception that the natural substrate for integrated devices is a bit of a rigid material, which is normally provided by...
    • Opt. Express 20(18) 20564-20575 (2012) View: Abstract | HTML | PDF

  • Spotlight Summary by Francesco Morichetti

    • Nanolasers grown on silicon-based MOSFETs
    • A laser source on the head of a silicon transistor? Don’t worry, they both work…

      Data transport in the optical domain is believed today to be the most promising technology, or more likely the only viable one,...
    • Opt. Express 20(11) 12171-12176 (2012) View: Abstract | HTML | PDF

  • Spotlight Summary by Francesco Morichetti

    • Surface nanoscale axial photonics: robust fabrication of high-quality-factor microresonators
    • Trapping electrons dynamically in a three dimensional microscopic volume by means of artificial potential barriers is a relatively simple task. Indeed, this is what happens inside any electronic device we use in...
    • Opt. Lett. 36(24) 4824-4826 (2011) View: Abstract | HTML | PDF

  • Spotlight Summary by Francesco Morichetti

    • Refractive index engineering with subwavelength gratings for efficient microphotonic couplers and planar waveguide multiplexers
    • When approaching the design of an integrated photonic circuit, a critical issue one must deal with is the choice of the most suitable refractive-index contrast of the waveguide. On the one hand, the index should be...
    • Opt. Lett. 35(15) 2526-2528 (2010) View: Abstract | HTML | PDF

  • Spotlight Summary by Francesco Morichetti

    • Comparison of raised-microdisk whispering-gallery-mode characterization techniques
    • It is a common perception that the fabrication of nanoscale optical devices is often so challenging that it makes technology approach fine art. What is not so commonly recognized is that even the measurement of such...
    • Opt. Lett. 35(7) 998-1000 (2010) View: Abstract | HTML | PDF

Topics

Recent Comments

  1. Demonstrating Arago–Fresnel laws with Bessel beams from vectorial axicons [1]
  2. Tandem dual-functioning multiple-quantum-well diodes for a self-powered light source [1]
  3. High-performance modified uni-traveling carrier photodiode integrated on a thin-film lithium niobate platform [1]