1
Ronald E Reedy, Ravindra A Athale, George J Simonis, Andreas G Andreou, Alyssa Apsel, Zaven Kalayjian, Philippe O Pouliquen: Integrated electronic-optoelectronic devices and method of making the same. Peregrine Semiconductor Corporation, George Mason University, John Hopkins University, The United States of America represented by the Secretary of the Army, Steven J Hultquist, Janet R Elliott, Yongzhi Yang, June 24, 2003: US06583445 (42 worldwide citation)

An integrated electronic-optoelectronic module comprising: an ultrathin silicon-on-sapphire composite substrate; at least one electronic device fabricated in the ultrathin silicon; and at least one optoelectronic device bonded to the ultrathin silicon-on-sapphire composite substrate and in electrica ...


2
Andreas G Andreou, Miriam Adlerstein Marwick, Philippe O Pouliquen: Deep submicron and nano CMOS single photon photodetector pixel with event based circuits for readout data-rate reduction communication system. Johns Hopkins University, Lowenstein Sandler PC, September 4, 2012: US08259293 (20 worldwide citation)

An avalanche photodiode is disclosed. The avalanche photodiode includes a substrate of a first conductivity type. A first well of a second conductivity type is formed within the substrate. A second well of the second conductivity type is formed substantially overlying and extending into the first we ...


3
Andreas G Andreou, Alyssa Apsel: Low-power, differential optical receiver in silicon on insulator. Johns Hopkins University, Edell Shapiro & Finnan, April 13, 2004: US06720830 (15 worldwide citation)

A low-power differential optical receiver useful for high-speed optical communication between CMOS chips includes a multi-stage differential amplifier circuit including a first differential transimpedance stage (


4
Kwabena A Boahen, Andreas G Andreou, Philippe O Pouliquen, Robert E Jenkins: Current-mode based analog circuits for synthetic neural systems. The Johns Hopkins University, Francis A Cooch, April 27, 1993: US05206541 (6 worldwide citation)

A two transistor current-controlled current conveyor (C4) circuit is provided which exploits the translinear properties of the MOS transistor in subthreshold and uses unidirectional current signals. As a result, the circuits of the invention achieve high functionality and integration density with ve ...


5
Joseph H Lin, Philippe O Pouliquen, Andreas G Andreou, Charbel G Rizk: Flexible readout and signal processing in a computational sensor array. The Johns Hopkins University, Noah J Hayward, December 1, 2015: US09200954 (2 worldwide citation)

A computational sensing array includes an array of sensing elements. In each sensing element, a first signal is generated from a transducer. A second signal is produced by a collection unit in response to receiving the first signal. The second signal may be modified, in a conditioning unit. A sensin ...


6
Charbel G Rizk, Philippe O Pouliquen, Andreas G Andreou, Joseph H Lin: Flexible readout and signal processing in a computational sensor array. The Johns Hopkins University, Noah J Hayward, August 1, 2017: US09723240

A computational sensing array includes an array of sensing elements. In each sensing element, a first signal is generated from a transducer. A second signal is produced by a collection unit in response to receiving the first signal. The second signal may be modified, in a conditioning unit. A sensin ...


7
Charbel G Rizk, Philippe O Pouliquen, Andreas G Andreou, Joseph H Lin: Flexible readout and signal processing in a computational sensor array. The Johns Hopkins University, Noah J Hayward, January 8, 2019: US10178336

A computational sensing array includes an array of sensing elements. In each sensing element, a first signal is generated from a transducer. A second signal is produced by a collection unit in response to receiving the first signal. The second signal may be modified, in a conditioning unit. A sensin ...


8
Haje Korth, Kim Strohbehn, Andreas G Andreou, Francisco Tejada: Gas cell semiconductor chip assembly. The Johns Hopkins University, Noah J Hayward, March 1, 2016: US09274186

A gas cell semiconductor chip assembly includes a gas cell including an alkali gas stored therein and a first semiconductor chip including a first resistive heating loop at a location corresponding to the gas cell to heat the gas cell and a second resistive heating loop around an outer perimeter of ...


9
Andreas G Andreou, Joseph H Lin, Philippe O Pouliquen, Charbel G Rizk: Photodetection circuit having at least one counter operative in response to a mode switching circuit and operating method thereof. The Johns Hopkins University, Noah J Hayward, July 3, 2018: US10012534

A photodetection circuit includes an avalanche photodiode and a mode switching circuit that may be configured to selectively switch an operating mode of the photodetection circuit between linear mode and Geiger mode. The photodetection circuit may further include a quenching circuit configured to qu ...


10
Andreas G Andreou, Alyssa Apsel: Low-power, differential optical receiver in silicon on insulator. Epstein Edell Shapiro Finnan & Lytle, February 6, 2003: US20030025562-A1

A low-power differential optical receiver useful for high-speed optical communication between CMOS chips includes a multi-stage differential amplifier circuit including a first differential transimpedance stage (22) followed by a plurality of differential feed-forward, high-bandwidth gain stages (24 ...