Sorry I should of worded this better.
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I understand the approach of integrating the VCSEL & Detector.
What I'm trying to figure out is: They classify these as "devices".
VCSEL(device)/n-HFET(device)/Detector(device)
18:29 – There are three critical devices that form the basis of our initial prototypes: the n-HFET, VCSELs – that’s Vertical Cavity Surface Emitting Lasers – and detectors, fabricated on the same epitaxial growth. We have previously demonstrated and announced world-class n-HFETs, through our partnership with BAE. I would like to announce some significant milestones achieved this past quarter on the VCSELs and detectors.
As I understand in my dumbmified explanation is that these are essentially devices "layered-in" our wafers in the process of making one monolithic chip, PTI having the goal of integrating these "devices" into the monolithic build process of the complete VCSEL Prototype or VCSEL Transceiver Module..
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"4. Conventional VCSEL work analogously. The digital information is modulated onto the laser beam by the output power of the laser changes between a slightly higher and a slightly lower value. On the receiving side, the detector and the electronics must be able to distinguish between the two power levels in order to decode the signal. The laser is, however, continuously turned on. - The POET-Laser makes it different. He works digitally and encoded by genuine ones and zeroes switching on and off of the laser. POET calls the corresponding component digital Opto-Electronic Switch (DOES). The hotfix has its own amplifier and comes to control with a single transistor from
5. POET uses the DOES as a detector. In this function, the internal Splicing for high sensitivity in signal detection makes. It provides a digital output signal, which makes a transimpedance amplifier (TIA) superfluous. The conversion of optical into an electrical signal takes place in a single step."
My question: is the basis for this type of detector(DOES?) the same basis for POET's MWIR & LWIR detectors, or does it lead to other products possibilities other than VCSELs?
Or maybe this is just going over my head? Thank you in advance.
