Spatial Audio Acquisition Using a Dual-Functioning MQW-Diode With a Three-Stage Amplifier Circuit | Zendy

Junwei Fu | Zendy; Bingcheng Zhu | Zendy; Zheng Shi | Zendy; Jialei Yuan | Zendy; Xumin Gao | Zendy; Yongjin Wang | Zendy

AI Assistant Blog Pricing

Home ZAIA Blog

Open Access

Spatial Audio Acquisition Using a Dual-Functioning MQW-Diode With a Three-Stage Amplifier Circuit

Author(s) -

Junwei Fu,

Bingcheng Zhu,

Zheng Shi,

Jialei Yuan,

Xumin Gao,

Yongjin Wang

Publication year - 2018

Publication title -

ieee access

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.587

H-Index - 127

ISSN - 2169-3536

DOI - 10.1109/access.2018.2808245

Subject(s) - aerospace , bioengineering , communication, networking and broadcast technologies , components, circuits, devices and systems , computing and processing , engineered materials, dielectrics and plasmas , engineering profession , fields, waves and electromagnetics , general topics for engineers , geoscience , nuclear engineering , photonics and electrooptics , power, energy and industry applications , robotics and control systems , signal processing and analysis , transportation

A multiple-quantum-well diode (MQW-diode) can function as a light-emitting diode or a photodiode. In particular, when appropriately biased, this dual-functioning device can simultaneously emit light and process information. Here, an MQW-diode of ring geometry is fabricated on a 1.64-mm-diameter suspended membrane by a combination of silicon separation and III-nitride backside thinning, and the 1.47-mm-diameter inner region enhances the overall light detection. When the MQW-diode operates under the simultaneous emission-detection mode, a three-stage amplifier circuit with a signal gain of 27.8 dB is used to recover the received signals, and the real-time spatial audio acquisition is experimentally demonstrated with the wire-bonded MQW-diode. This paper provides a promising path to produce multifunctional MQW-diodes toward the Internet of Things.

The content you want is available to Zendy users.

Already have an account? Click here to sign in.

Having issues? You can contact us here

Accelerating Research