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Re: MarcoPolo4 post# 201563

Tuesday, 10/01/2024 1:15:29 PM

Tuesday, October 01, 2024 1:15:29 PM

Post# of 236658
During the Global Photonics Economic Forum The format was for Michael Lebby to ask a question with some details and asks for a response from the participants. When asked about what new methods are needed to extend Moore's Law with new methods to produce advanced chips each participant discussed adding technology through acquisition (except Coherent because the CEO is retired and Coherent is already deep into photonics).


Michael Lebby addressed the Micronics CEO (Micronics acquired Vanguard earlier this year) with the statement about the acquisition of Vanguard using "very innovative polymer based technologies". Nothing else was mentioned about polymers but that statement obviously startled me a bit.
https://www.vanguard-photonics.com/expertise
From vanguard regarding photonic wire bonding:
Hybrid photonic integration combines complementary advantages of different material platforms, offering superior performance and flexibility compared with monolithic approaches. They go on to describe 3D nanofabrication for photonic integration using a new method to connect photonic chips with waveguides.

the concept of photonic wire bonding, which can be considered as the optical analogue to metal wire bonding in electronics. Photonic wire bonds (PWB) are single-mode freeform waveguides that efficiently connect integrated optical chips to each other or to optical fibers, see Figure 1. Our research partners at KIT have demonstrated that photonic wire bonds can connect to a wide variety of on-chip waveguides and optical fibers, see Figure 1 (b), (c), and (d) [1] – [4]. For chip-to-chip connections, Figure 1 (b), lateral dimensions of PWB waveguides typically amount to 1…2 µm, and the pitch can be smaller than 5 µm, enabling hundreds of PWB per millimeter of chip edge [1]. For a connection of two silicon-on-insulator (SOI) waveguides, insertion losses of 1 dB … 2 dB have been demonstrated with negligible variation in the wavelength range 1200 nm … 1600 nm [1]. Similar loss figures are obtained when connecting PWB to multi-core fibers (MCF) [2] or to InP-based laser sources [3], [4].

LWLG polymers can be used in waveguides. This seems to be a fairly strong connection LWLG polymers are a component of the waveguides being used to connect optical chips with Vanguard's state of the art process.
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