In this presentation we discuss the design, implementation and measurements of Tb/s/channel optical communication circuits realized in III-V Lab InP DHBT process. Realizations using InGaAs- and GaAsSb-base devices will be presented and compared, from transistor to circuit performances.
The design flow is detailed with specific focus on key trade-offs to reach >3-4 Vpp output swings conjugated with >100 GHz analog bandwidth as well as circuits’ design for electro-optical systems with new transmission formats using innovative DSP algorithms allowing higher transmission rates and increased spectral efficiency, like m-ary pulse-amplitude modulation (m-PAM) or quadrature amplitude modulation (m-QAM) formats. We also present the design and measurements of digital multiplexing selector operation at record 212-GBd speed and its system implementation for intra data-center communications.


Recent advances in high-speed and large-swing integrated circuits implemented in InGaAs and GaAsSb InP DHBT for terabit-class optical communications

**Monday, September 22nd**

**Session Chairs:** Cristell Maneux *IMS Bordeaux* and Virginie Nodjiadjim *III-V Lab*

Today, the ever growing communication services such as remote work, e-learning, e-healthcare and intensification of social relations supported by massive data transmission, give a new impulse to further investigate various methods to increase transmission network capacities with Tb/s/channel objective. This workshop will give insights into different key aspects of the device-to-circuit value chain highlighting the need for devices combining very high symbol rate multi-level signal generation with large output swing to efficiently drive electro-optical (E/O) modulators.

A variety of novel (i) InP DHBT devices –both InGaAs and Sb types-, (ii) calibration and measurement approaches, (iii) physics-based device simulation coupled methods including compact model and (iv) state-of-the-art E/O modulator results are covered in this workshop.
The consistency of the whole value chain leads, for instance, to very-high-symbol-rate PAM (or QAM) modulation formats.

**This session has 10 lectures. If you don't see them all please click on the 'SEE ALL' button located in the top right corner of the page**

13. From InP bipolar transistors to analog front-end integrated circuits: Innovations in devices, THz measurements, compact modeling and circuits

technical paper

The aim of ESSCIRC and ESSDERC is to provide an annual European forum for the presentation and discussion of recent advances in solid-state devices and circuits.
The level of integration for system-on-chip design is rapidly increasing.

This is made available by advances in semiconductor technology. Therefore, more than ever before, a deeper interaction among technologists, device experts, IC designers, and system designers is necessary. ESSCIRC and ESSDERC are governed by a common Steering Committee and share Plenary Keynote Presentations and Joint Sessions bridging both device and circuit communities.

Highlights:
* 3 joint keynote presentations
* 3 keynote presentations ESSCIRC
* 3 keynote presentations ESSDERC
* Invited papers with overall coverage of all aspects of advanced devices and circuits
* Presentation of IEEE and ESSCIRC/ESSDERC Awards
* Educational Events

JOINT PLENARY talks live broadcast: September 13, 2021<br>
ESSCIRC and ESSDERC KEYNOTE talks live broadcast: September 15, 2021<br>
LIVE Q&A INTERACTIVE sessions for all Conference Technical sessions: September 14 – 16 – 17, 2021<br>
LIVE Q&A INTERACTIVE sessions for all Educational Events: September 20-21-22, 2021<br>
(on demand videos available from September 6 until November 30, 2021)

**Please see here for the [ESSCIRC Guide](https://drive.google.com/file/d/10dghzuv4aQBty4QfTIY9Q8hXyqsue8Le/view?usp=sharing), [ESSDERC Guide](https://drive.google.com/file/d/10dx9y2tm9cHPDa4upNUYjfXCf44aPry5/view?usp=sharing), and the [Program at a Glance](https://drive.google.com/file/d/10eU0OLTXEpiNzI5hkqv4mSr43T8cedPP/view?usp=sharing)**

Please register for educational events at the following link: https://www.registerme.eu/event/esscirc-essderc-2021/

Fabrice Blache

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Recent advances in high-speed and large-swing integrated circuits implemented in InGaAs and GaAsSb InP DHBT for terabit-class optical communications

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