Zobrazeno 1 - 10
of 89
pro vyhledávání: '"Johannes Herrnsdorf"'
Autor:
Jordan Hill, Cheng Chen, Enyuan Xie, Jonathan J.D. McKendry, Johannes Herrnsdorf, Erdan Gu, Harald Haas, Martin D. Dawson
Publikováno v:
IEEE Photonics Journal, Vol 15, Iss 6, Pp 1-8 (2023)
We report systematic investigation of the device-size-dependent performance of ultraviolet C (UV-C) light emitting diodes (LEDs) for optical wireless communication (OWC). Utilizing 273 nm-wavelength devices with diameters in the range of 40 $\mu$m to
Externí odkaz:
https://doaj.org/article/13f0d8b4ba204fafa08a4f1ea8a327db
Autor:
Jonathan J. D. McKendry, Enyuan Xie, Jordan Hill, Hichem Zimi, Johannes Herrnsdorf, Erdan Gu, Robert K. Henderson, Martin D. Dawson
Publikováno v:
IEEE Photonics Journal, Vol 15, Iss 6, Pp 1-6 (2023)
We report a Deep Ultraviolet (DUV) AlGaN micro-light emitting diode (micro-LED) array driven by a matching array of electronic drivers implemented in Complementary Metal-Oxide-Semiconductor (CMOS) technology. This 40 × 10 pixel integrated device req
Externí odkaz:
https://doaj.org/article/8c20b95a1fe94d2f8c0303422973c3a7
Publikováno v:
Photonics, Vol 10, Iss 1, p 10 (2022)
Challenging imaging applications requiring ultra-short exposure times or imaging in photon-starved environments can acquire extremely low numbers of photons per pixel, (1 MHz) and low incident photon flux (
Externí odkaz:
https://doaj.org/article/019aaff6695c4fa7b6661be907f74506
Autor:
Enyuan Xie, Mark Stonehouse, Ricardo Ferreira, Jonathan J. D. McKendry, Johannes Herrnsdorf, Xiangyu He, Sujan Rajbhandari, Hyunchae Chun, Aravind V. N. Jalajakumari, Oscar Almer, Grahame Faulkner, Ian M. Watson, Erdan Gu, Robert Henderson, Dominic O'Brien, Martin D. Dawson
Publikováno v:
IEEE Photonics Journal, Vol 9, Iss 6, Pp 1-11 (2017)
We demonstrate the development, performance, and application of a GaN-based micro-light emitting diode ( $\mu$LED) array sharing a common p-electrode (anode), and with individually addressable n-electrodes (cathodes). Compared to conventional GaN-bas
Externí odkaz:
https://doaj.org/article/35b363fed3f34f9d8bf564d0ca938121
Autor:
Alexander D. Griffiths, Johannes Herrnsdorf, Christopher Lowe, Malcolm Macdonald, Robert Henderson, Michael J. Strain, Martin D. Dawson
Publikováno v:
Materials, Vol 11, Iss 9, p 1671 (2018)
Communicating information at the few photon level typically requires some complexity in the transmitter or receiver in order to operate in the presence of noise. This in turn incurs expense in the necessary spatial volume and power consumption of the
Externí odkaz:
https://doaj.org/article/04d92bb2bc7c42a7b74eb18d466fcd1c
Autor:
Daniel M. Maclure, Cheng Chen, Jonathan J. D. McKendry, Enyuan Xie, Jordan Hill, Johannes Herrnsdorf, Erdan Gu, Harald Haas, Martin D. Dawson
Publikováno v:
Optics express. 30(26)
We demonstrate the use of deep ultraviolet (DUV) micro-light-emitting diodes (LEDs) for long-distance line-of-sight optical wireless communications. With a single 285 nm-emitting micro-LED, we have respectively achieved data rates greater than 6.5 Gb
Autor:
Yingjie Shao, Jonathan J.D. McKendry, Fahimeh Dehkhoda, Enyuan Xie, Johannes Herrnsdorf, Michael J. Strain, Robert K. Henderson, Martin D. Dawson
Publikováno v:
2022 IEEE Photonics Conference (IPC).
Autor:
Michael J. Strain, Fahimeh Dehkhoda, Navid Bani Hassan, Johannes Herrnsdorf, Robert Henderson, Martin D. Dawson
Publikováno v:
Conference on Lasers and Electro-Optics.
We present a micro-LED-on-CMOS digital light projector array operating up to 0.5 Mfps. The 128x128 pixel array has individual control of each pixel and can operate with 32 grayscale levels and emit nanosecond pulses.
Autor:
Alexander D. Griffiths, Michael J. Strain, Martin D. Dawson, Johannes Herrnsdorf, Jonathan J. D. McKendry, Erdan Gu, Enyuan Xie
Publikováno v:
SID Symposium Digest of Technical Papers. 51:638-641
Micro-LED displays are now emerging rapidly towards commercialization. This novel compound semiconductor display technology has the potential to interface very effectively to advanced electronics, in particular Si CMOS, to create new forms of display
Autor:
Navid Bani Hassan, Fahimeh Dehkhoda, Enyuan Xie, Johannes Herrnsdorf, Michael J. Strain, Robert Henderson, Martin D. Dawson
Publikováno v:
Photonics Research. 10:2434
Digital light projector systems are crucial components in applications, including computational imaging, fluorescence microscopy, and highly parallel data communications. Current technology based on digital micromirror displays are limited to absolut