Photin - compound semiconductors wafers Lets build something together in IR - We were looking for easy way to protect our samples of MWIR InAs detectors chips for shipment to customer, so they would be well protected, couldn’t be mixed up, take least amount of space, and be inexpensive. During brainstorming, we “stepped on something”, which turned out to be perfect package... Fri, 27 Mar 2026 00:00:00 -0400 /posts/2026-03-27-MWIR-InAs-InAsSbP-samples-lets-build-something-together-in-IR/ /posts/2026-03-27-MWIR-InAs-InAsSbP-samples-lets-build-something-together-in-IR/ How inverted per-criterion scoring can mask a fundamental evaluator disagreement. Full evaluation, appeal, and responses shared transparently. - What is PhotonQBoost? What Photin Applied For Solutions — Industrial Scale-up Proposal Trainings & Services — Capability Building Missions — Germany (Stuttgart) Results Summary Evaluation Feedback Solutions — Evaluator Comments Trainings & Services — Evaluator Comments Missions — Evaluator Comments Anomalies Found 1. Inverted Per-Criterion Scoring Masks Impact Disagreement (Solutions)... Tue, 17 Mar 2026 00:00:00 -0400 /posts/2026-03-17-PhotonQBoost-OC2-2025-Evaluation/ /posts/2026-03-17-PhotonQBoost-OC2-2025-Evaluation/ Photin InAs detectors speed measured - The team from Wroclaw University of Technology (Ł.Sterczewski, G.Gomółka) tested all major commercial extended InGaAs detectors providers. Just to found out their 1-2.6um range are still too narrow for their research.. to see, measure and use frequency combs. combs](https://www.nist.gov/topics/physics/optical-frequency-combs). We were thrilled to provide them custom InAs MWIR detector chips... Fri, 30 Jan 2026 00:00:00 -0500 /posts/2026-01-30-Need4Speed-GHz-MWIR-Frequency-Combs/ /posts/2026-01-30-Need4Speed-GHz-MWIR-Frequency-Combs/ Quantum Well lasers structure demonstrated - After spectacular success of our InAs-InAsSbP state of the art heterostructures and MWIR detectors made from our wafers, inquiry from Asian University prompted us work on InGaAsP/InGaAs/InP MQW laser. The aim was to demonstrate InP PICs R&D capability to market. We entered into Quantum era, but not the buzzworld quantum,... Sun, 28 Dec 2025 00:00:00 -0500 /posts/2025-12-28-Photin-quantum-wells/ /posts/2025-12-28-Photin-quantum-wells/ Distinction - Last week we had pleasure of participate in the Gala of Mazovian Innovator Contest. There were two categories: Innovative Company, Innovative Scientist. Innovation as you will see have many meanings, that are sometimes difficult to comprehend. Photin submission as innovative company was: Technology of compound semiconductors Indium Arsenide MOCVD growth... Thu, 06 Nov 2025 00:00:00 -0500 /posts/2025-11-06-Mazovian-Innovators-Gala/ /posts/2025-11-06-Mazovian-Innovators-Gala/ Jean Pascal Duchemin legacy - They say: XX century = Electronics, XXI century = Photonics! The success of GaN/SiC LEDs and Power, or InP-lasers and fiber internet is our reality. Have you ever thought, how the leap from Silicon to III-V compound semiconductors (GaAs and InP) happened? We hear so much about semiconductors in media.... Sun, 26 Oct 2025 00:00:00 -0400 /posts/2025-10-26-From-Silicon-to-III-V-Semiconductors-LP-MOVPE/ /posts/2025-10-26-From-Silicon-to-III-V-Semiconductors-LP-MOVPE/ Photonics made in Poland - What was some time ago only distant dream, today it is reality in our hands. Production batch of MWIR InAs/InAsSbP 500um diameter detector chips, ready to be delivered to first customers. Made in Poland by Photin and MUT. What they will do? As usual for compound semiconductor devices, making impossible... Mon, 13 Oct 2025 00:00:00 -0400 /posts/2025-10-13-Photin-InAs-MWIR-detectors-chips-production/ /posts/2025-10-13-Photin-InAs-MWIR-detectors-chips-production/ InAs PD Results and Datasheet comparisons - Semiconductors Technology Race In XXI century, it is very rare and extremely difficult to develop semiconductor device, which will beat commercial competition entrenched on the market for half century. They had and have all resources: Hamamatsu, Teledyne Judson, VIGO Photonics, etc. Hundreds and thousands of man-years working on technology with... Thu, 21 Aug 2025 00:00:00 -0400 /posts/2025-08-21-Photin-InAs-Qualified/ /posts/2025-08-21-Photin-InAs-Qualified/ Induction Heater Repair at End Of Life - Trumpf / Huttinger TIG/BIG Induction Heaters Over the 20 years, we have never seen TIG/BIG RF Induction Heater fail in the field! Never!, until our one in Aix-200RF reactor just stopped working in beginning of 2025. Fig. 1. Huttinger TIG 10/100 Failure - LED 28 Mismatch We have in total... Wed, 06 Aug 2025 00:00:00 -0400 /posts/2025-08-06-Huttinger-RF-Generator-Repairs-at-End-Of-Life/ /posts/2025-08-06-Huttinger-RF-Generator-Repairs-at-End-Of-Life/ True Heroes Born Out of Passion! - Hero Chips Hero Chips or Hero Dies.. this phrase reference to research output, when most of the semiconductor wafer chips/dies are poor, broken, faulty, with particles, dust, errors due to lithography or has been overheated, overetched or under-etched, or metalization peeled off due to poor contacts.. countless reasons. Though, against... Wed, 30 Jul 2025 00:00:00 -0400 /posts/2025-07-30-Hero-Dies/ /posts/2025-07-30-Hero-Dies/ InAs IR Detectors device performance - Device results from Photin wafers In 2024 our facility receive major upgrade with installation of Hydrogen purifier based on Palladium Diffusion Membrane technology, which allow to obtain ultimate purity of hydrogen for growth of semiconductors. The performance of grown materials were tested on InAs on SI GaAs substrates (to be... Tue, 18 Feb 2025 00:00:00 -0500 /posts/2025-02-18-InAs-InAsSbP-IR-Detectors-Showcase/ /posts/2025-02-18-InAs-InAsSbP-IR-Detectors-Showcase/ In recent 10 years, they are the one of the most researched material concept for infrared (in particular solar cells and detectors). Aimed to de-throne HgCdTe, material which still reign as the one with the best properties for IR detectors, except …the manufacturability. Type II Superlattices(T2SLs) made from InAs/InAsSb are... Thu, 24 Oct 2024 00:00:00 -0400 /posts/2024-10-24-Photin-Demonstrate-Type2-Superlattices-by-MOCVD/ /posts/2024-10-24-Photin-Demonstrate-Type2-Superlattices-by-MOCVD/ Publication with Lancaster University and ams-OSRAM. - Advanced extended SWIR detector development We are happy to share open access publication from our recent work on eSWIR barrier detector development project, where Photin worked together with Lancaster University and ams-OSRAM on: “Quasi-planar InGaAsSb p-B-n photodiodes for spectroscopic sensing” L. A. Hanks $*^1$, K. Mamic$^1$ K. Kłos$^2$ A. Bainbridge$^1$... Mon, 17 Apr 2023 00:00:00 -0400 /posts/2023-04-17-Quasi-Planar-InGaAsSb-photodiodes/ /posts/2023-04-17-Quasi-Planar-InGaAsSb-photodiodes/ Passivation of Barrier (InGaAsSb/AlGaAsSb) and APD detectors - Intro RFQ email me. Primary RFQ Team Wins Link Boston Celtics 82 RFQ Click me One of the best paths for survival of deep-techs, is non-dilutive financing via EU and national grants. Photin is exploring this path for ~1 year. Recently, we had deepened our cooperation with Military University of... Tue, 07 Feb 2023 00:00:00 -0500 /posts/2023-02-07-InnoGlobo-MUT-KindLab-project/ /posts/2023-02-07-InnoGlobo-MUT-KindLab-project/ Intro into Antimonides in MOCVD - very challenging topic MOCVD of Antimonides are notoriously difficult due to a few challenges, that are not present for arsenides and phosphides. They are not so arcane, as totally esoteric MOCVD epitaxy of HgCdTe (nurtured for over ~7 years). How hard are they? Any,... Sat, 24 Dec 2022 00:00:00 -0500 /posts/2022-12-24-MVP-MVP-eSWIR-InGaAsSb-barrier-detector-from-MOCVD/ /posts/2022-12-24-MVP-MVP-eSWIR-InGaAsSb-barrier-detector-from-MOCVD/ Limits of In-Situ Reflectance for growth rate extraction in Aixtron Multi-Wafer Reactors Krzysztof Kłos Mac Benedict, Quangang Du, Hairong Yuan, Haijiao Bian, Kanakaraju Subramaniam kk@photin.eu 1 Introduction 2 Simulations 3 Noise in Real runs 4 Machine Learning for F-P Dip Prediction 5 Conclusions References I really like this project, it... Mon, 25 Jul 2022 00:00:00 -0400 /posts/2022-07-25-Limits%20of%20In-Situ%20Reflectance%20for%20growth%20rate%20extraction%20in%20Aixtron%20Multi-Wafer%20Reactors/ /posts/2022-07-25-Limits%20of%20In-Situ%20Reflectance%20for%20growth%20rate%20extraction%20in%20Aixtron%20Multi-Wafer%20Reactors/ It is tremendous pleasure to go again to international conference. Last time it was 11 years ago at EW-MOVPE XIV in Wroclaw. Apparently, when working in industry conferences are rare treat. This time aim is to see what are the hot topics in MOCVD community, what are interesting fields of... Mon, 11 Jul 2022 00:00:00 -0400 /posts/2022-07-11-ICMOVPE-XX-Stuttgart-2022/ /posts/2022-07-11-ICMOVPE-XX-Stuttgart-2022/ In late 2021 Photin get in touch with FZU MOVPE group. It was miracle, to find in nearby country Aix-200 MOVPE system fully equipped to conduct research on III-Sb materials, with scientists, who are experts in this area. FZU MOVPE were leaving the field of III-V, and moving to III-N... Fri, 20 May 2022 00:00:00 -0400 /posts/2022-05-20-FZU-Aix-200-transfer/ /posts/2022-05-20-FZU-Aix-200-transfer/ Have started GaSb buffer development with cleaving Ensemble3 GaSb Zn-doped substrate (bought from EVO-R funds) to 6 pieces, and running experiments. In literature, not able to find info about the GaSb growth conditions with TMGa + TMSb, for Aix-200 type of reactor. There were a few excellent info, especially TEGa... Sat, 07 May 2022 00:00:00 -0400 /posts/2022-05-07-Buffers-GaSb-on-GaSb/ /posts/2022-05-07-Buffers-GaSb-on-GaSb/ Well, finally have started first growths. It took a while, as there were some modifications and adaptations necessary to make GaN reactor become III-Sb reactor: 1) additional dust filter before the main pump 1, 2) ultrasonic precursor monitors on Ga and Sb delivery lines, to be able to exactly see... Mon, 25 Apr 2022 00:00:00 -0400 /posts/2022-04-25-First-Runs-GaSb-on-GaSb/ /posts/2022-04-25-First-Runs-GaSb-on-GaSb/