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Title: High-performance flexible waveguide-integrated photodetectors

Journal Article · · Optica

Mechanically flexible photonic devices are essential building blocks for novel bio-integrated optoelectronic systems, wearable sensors, and flexible consumer electronics. Here we describe the design and experimental demonstration of high-performance flexible semiconductor nanomembrane photodetectors integrated with single-mode chalcogenide glass waveguides. Through a combination of a waveguide-integrated architecture to enhance light–matter interactions and mechanical engineering of multilayer configurations to suppress strains, the detector devices exhibit record optical and mechanical performance. The devices feature a noise equivalent power as low as 0.02 pW · Hz1/2, a linear dynamic range exceeding 70 dB, and a 3-dB bandwidth of 1.4 GHz, all measured at 1530 nm wavelength. The devices withstand 1000 bending cycles at a submillimeter radius without degradation in their optoelectronic responses. These metrics represent significant improvements over state-of-the-art flexible photodetectors.

Research Organization:
Univ. of Texas, Austin, TX (United States). Energy Frontier Research Center (EFRC); Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
SC0001088
OSTI ID:
1416473
Alternate ID(s):
OSTI ID: 1470433
Journal Information:
Optica, Journal Name: Optica Vol. 5 Journal Issue: 1; ISSN 2334-2536
Publisher:
Optical Society of AmericaCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 38 works
Citation information provided by
Web of Science

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Multiaxial and Transparent Strain Sensors Based on Synergetically Reinforced and Orthogonally Cracked Hetero-Nanocrystal Solids journal December 2018
On‐Chip‐Integrated Methylammonium Halide Perovskite Optical Sensors journal January 2019
High-performance graphene-integrated thermo-optic switch: design and experimental validation [Invited] journal January 2020
Understanding aging in chalcogenide glass thin films using precision resonant cavity refractometry journal January 2019
3D integrated photonics platform with deterministic geometry control journal January 2020
Strain shapes the light in a photonic crystal nanocavity journal December 2019


Figures / Tables (6)