Red-emitting external cavity diode laser with high slope efficiency and narrow bandwidth

Jiyeon Park, Hong Joo Song, Hong Man Na, Jun Ho Lee, Ilgu Yun

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

1 Citation (Scopus)

Abstract

External cavity diode laser with broad-area laser diode is operated up to the output power of 160 mW at the injection current of 850 mA and the bandwidth of 80 pm at a wavelength of 648 nm in external cavity. High slope efficiency of output power and narrow bandwidth using broad-area laser (BAL) diode, the width of active layer in the slow axis is too broad to select a specific wavelength. In this paper, more efficient wavelength selection method is investigated by confirming the tendency of grating grooves and designing to set up the wavelength dispersion direction along the fast axis of a solitary laser diode (LD) geometrically. Thus, the tunable external cavity diode laser module by using BAL diode is designed with an overall size of 49 mm x 52 mm x 48.5 mm. From injection current in the range of 650-900 mA, ECDL showed excellent wavelength locking behavior without a non-shift of the peak wavelength. Here, the tuning range is 4 nm with maintaining the narrow bandwidth of 80 pm and up to the output power of 100 mW. A side-modesuppression of 36.5dB is also achieved at the output power of 160 mW and the injection current of 850 mA.

Original languageEnglish
Title of host publicationLaser Resonators, Microresonators, and Beam Control XVII
EditorsAlan H. Paxton, Vladimir S. Ilchenko, Kunihiko Washio, Alexis V. Kudryashov, Lutz Aschke
PublisherSPIE
ISBN (Electronic)9781628414332
DOIs
Publication statusPublished - 2015 Jan 1
EventLaser Resonators, Microresonators, and Beam Control XVII - San Francisco, United States
Duration: 2015 Feb 92015 Feb 12

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume9343
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Other

OtherLaser Resonators, Microresonators, and Beam Control XVII
CountryUnited States
CitySan Francisco
Period15/2/915/2/12

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All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

Cite this

Park, J., Song, H. J., Na, H. M., Lee, J. H., & Yun, I. (2015). Red-emitting external cavity diode laser with high slope efficiency and narrow bandwidth. In A. H. Paxton, V. S. Ilchenko, K. Washio, A. V. Kudryashov, & L. Aschke (Eds.), Laser Resonators, Microresonators, and Beam Control XVII [93431M] (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 9343). SPIE. https://doi.org/10.1117/12.2079838