Tunable random lasing emissions by manipulating plasmonic coupling strengths on flexible substrates

Ting Wei Yeh, Chun Yang Chou, Zu Po Yang, Nguyen Thi Bich Hanh, Yung Chi Yao, Meng Tsan Tsai, Hao Chun Kuo, Ya Ju Lee

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A random laser is a unique system in which an assembly of disordered scatters is distributed all over the gain medium to sustain the required optical feedbacks by multiple scatterings for the stimulation of lasing action. Due to the absence of well-defined resonance cavity or rigid alignment of optical elements, it is hence difficult to control the random lasing emissions. In this study, we experimentally demonstrated a flexible random laser fabricated on the polyethylene terephthalate (PET) substrate with a high degree of tunability in lasing emissions. Random lasing wavelength is blue-shifted monolithically with the increasing of bending strains exerted on the PET substrate, and the maximum shift of lasing wavelength of ~15 nm was achieved as a 50% bending strain is exerted on the PET substrate. Such observation is highly repeatable and reversible, and it validates that we are able to control the lasing wavelengths by simply bending the flexible substrate. The result herein shows a great advance for the applications of flexible optoelectronic devices, including wearable devices, ultrathin display, and health sensors.

Original languageEnglish
Title of host publicationCLEO
Subtitle of host publicationApplications and Technology, CLEO_AT 2018
PublisherOSA - The Optical Society
ISBN (Electronic)9781557528209
DOIs
Publication statusPublished - 2018 Jan 1
EventCLEO: Applications and Technology, CLEO_AT 2018 - San Jose, United States
Duration: 2018 May 132018 May 18

Publication series

NameOptics InfoBase Conference Papers
VolumePart F92-CLEO_AT 2018

Conference

ConferenceCLEO: Applications and Technology, CLEO_AT 2018
CountryUnited States
CitySan Jose
Period18/5/1318/5/18

Fingerprint

Polyethylene Terephthalates
Polyethylene terephthalates
Substrates
Wavelength
Optical feedback
Lasers
Multiple scattering
Optical devices
Optoelectronic devices
Display devices
Health
Sensors

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Mechanics of Materials

Cite this

Yeh, T. W., Chou, C. Y., Yang, Z. P., Hanh, N. T. B., Yao, Y. C., Tsai, M. T., ... Lee, Y. J. (2018). Tunable random lasing emissions by manipulating plasmonic coupling strengths on flexible substrates. In CLEO: Applications and Technology, CLEO_AT 2018 (Optics InfoBase Conference Papers; Vol. Part F92-CLEO_AT 2018). OSA - The Optical Society. https://doi.org/10.1364/CLEO_AT.2018.JTh2A.52

Tunable random lasing emissions by manipulating plasmonic coupling strengths on flexible substrates. / Yeh, Ting Wei; Chou, Chun Yang; Yang, Zu Po; Hanh, Nguyen Thi Bich; Yao, Yung Chi; Tsai, Meng Tsan; Kuo, Hao Chun; Lee, Ya Ju.

CLEO: Applications and Technology, CLEO_AT 2018. OSA - The Optical Society, 2018. (Optics InfoBase Conference Papers; Vol. Part F92-CLEO_AT 2018).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Yeh, TW, Chou, CY, Yang, ZP, Hanh, NTB, Yao, YC, Tsai, MT, Kuo, HC & Lee, YJ 2018, Tunable random lasing emissions by manipulating plasmonic coupling strengths on flexible substrates. in CLEO: Applications and Technology, CLEO_AT 2018. Optics InfoBase Conference Papers, vol. Part F92-CLEO_AT 2018, OSA - The Optical Society, CLEO: Applications and Technology, CLEO_AT 2018, San Jose, United States, 18/5/13. https://doi.org/10.1364/CLEO_AT.2018.JTh2A.52
Yeh TW, Chou CY, Yang ZP, Hanh NTB, Yao YC, Tsai MT et al. Tunable random lasing emissions by manipulating plasmonic coupling strengths on flexible substrates. In CLEO: Applications and Technology, CLEO_AT 2018. OSA - The Optical Society. 2018. (Optics InfoBase Conference Papers). https://doi.org/10.1364/CLEO_AT.2018.JTh2A.52
Yeh, Ting Wei ; Chou, Chun Yang ; Yang, Zu Po ; Hanh, Nguyen Thi Bich ; Yao, Yung Chi ; Tsai, Meng Tsan ; Kuo, Hao Chun ; Lee, Ya Ju. / Tunable random lasing emissions by manipulating plasmonic coupling strengths on flexible substrates. CLEO: Applications and Technology, CLEO_AT 2018. OSA - The Optical Society, 2018. (Optics InfoBase Conference Papers).
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