Investigation of Self-Injection Locked Visible Laser Diodes for High Bit-Rate Visible Light Communication

Md Hosne Mobarok Shamim; Mohamed Adel Shemis; Chao Shen; Hassan M. Oubei; Tien Khee Ng; Boon S. Ooi; Mohammed Zahed Mustafa Khan

doi:10.1109/JPHOT.2018.2849884

Investigation of Self-Injection Locked Visible Laser Diodes for High Bit-Rate Visible Light Communication

Md Hosne Mobarok Shamim
, Mohamed Adel Shemis
, Chao Shen
, Hassan M. Oubei
, Tien Khee Ng
, Boon S. Ooi
, Mohammed Zahed Mustafa Khan^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

29 Scopus citations

Abstract

We report on self-injection locking in InGaN/GaN (blue/green) and InGaP/AlGaInP (red) visible-light laser diodes. The free-space optical feedback path was accomplished via an external mirror. The effect of injection current, optical power injection ratio, and external cavity length on the spectral linewidth and modulation bandwidth of the lasers is investigated. Our results show that the laser performance was substantially improved. In particular, we achieved a significant increase of ∼57% (1.53-2.41 GHz) and ∼31% (1.72-2.26 GHz) in the modulation bandwidth, and ∼9 (1.0-0.11 nm) and ∼9 (0.63-0.07 nm) times reduction in spectral linewidth of the green and blue lasers, respectively. Consequently, side-mode-suppression-ratio was considerably increased in all the cases, reaching as high as ∼20 dB in self-injection locked blue laser diode, thus enabling a close to single-mode operation. This paper paves the way for attaining high-speed optical wireless communications by overcoming the challenges of limited modulation bandwidth and multimode operation of visible laser diodes with this simple scheme.

Original language	English
Article number	7905511
Journal	IEEE Photonics Journal
Volume	10
Issue number	4
DOIs	https://doi.org/10.1109/JPHOT.2018.2849884
State	Published - Aug 2018

Bibliographical note

Funding Information:
Manuscript received May 10, 2018; revised June 1, 2018; accepted June 19, 2018. Date of publication June 22, 2018; date of current version July 17, 2018. This work was supported in part by Deanship of Research, King Fahd University of Petroleum and Minerals under Grant KAUST004, in part by King Abdulaziz City for Science and Technology under Grants EE2381 and TIC R2-FP-008, in part by the King Abdullah University of Science and Technology (KAUST) baseline funding BAS/1/1614-01-01, KAUST funding KCR/1/2081-01-01, and GEN/1/6607-01-01, and in part by KAUST-KFUPM Special Initiative (KKI) Program REP/1/2878-01-01. Corresponding author: Mohammed Zahed Mustafa Khan (e-mail: [email protected]).

Publisher Copyright:
© 2009-2012 IEEE.

Keywords

Self-injection locking
external cavity diode laser
modulation bandwidth
spectral linewidth
visible light communication

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering

Access to Document

10.1109/JPHOT.2018.2849884

Cite this

@article{6f912970e29848d88a5f95626267d9a8,

title = "Investigation of Self-Injection Locked Visible Laser Diodes for High Bit-Rate Visible Light Communication",

abstract = "We report on self-injection locking in InGaN/GaN (blue/green) and InGaP/AlGaInP (red) visible-light laser diodes. The free-space optical feedback path was accomplished via an external mirror. The effect of injection current, optical power injection ratio, and external cavity length on the spectral linewidth and modulation bandwidth of the lasers is investigated. Our results show that the laser performance was substantially improved. In particular, we achieved a significant increase of ∼57\% (1.53-2.41 GHz) and ∼31\% (1.72-2.26 GHz) in the modulation bandwidth, and ∼9 (1.0-0.11 nm) and ∼9 (0.63-0.07 nm) times reduction in spectral linewidth of the green and blue lasers, respectively. Consequently, side-mode-suppression-ratio was considerably increased in all the cases, reaching as high as ∼20 dB in self-injection locked blue laser diode, thus enabling a close to single-mode operation. This paper paves the way for attaining high-speed optical wireless communications by overcoming the challenges of limited modulation bandwidth and multimode operation of visible laser diodes with this simple scheme.",

keywords = "Self-injection locking, external cavity diode laser, modulation bandwidth, spectral linewidth, visible light communication",

author = "Shamim, \{Md Hosne Mobarok\} and Shemis, \{Mohamed Adel\} and Chao Shen and Oubei, \{Hassan M.\} and Ng, \{Tien Khee\} and Ooi, \{Boon S.\} and Khan, \{Mohammed Zahed Mustafa\}",

note = "Funding Information: Manuscript received May 10, 2018; revised June 1, 2018; accepted June 19, 2018. Date of publication June 22, 2018; date of current version July 17, 2018. This work was supported in part by Deanship of Research, King Fahd University of Petroleum and Minerals under Grant KAUST004, in part by King Abdulaziz City for Science and Technology under Grants EE2381 and TIC R2-FP-008, in part by the King Abdullah University of Science and Technology (KAUST) baseline funding BAS/1/1614-01-01, KAUST funding KCR/1/2081-01-01, and GEN/1/6607-01-01, and in part by KAUST-KFUPM Special Initiative (KKI) Program REP/1/2878-01-01. Corresponding author: Mohammed Zahed Mustafa Khan (e-mail: [email protected]). Publisher Copyright: {\textcopyright} 2009-2012 IEEE.",

year = "2018",

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doi = "10.1109/JPHOT.2018.2849884",

language = "English",

volume = "10",

journal = "IEEE Photonics Journal",

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AU - Shamim, Md Hosne Mobarok

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AU - Shen, Chao

AU - Oubei, Hassan M.

AU - Ng, Tien Khee

AU - Ooi, Boon S.

AU - Khan, Mohammed Zahed Mustafa

N1 - Funding Information: Manuscript received May 10, 2018; revised June 1, 2018; accepted June 19, 2018. Date of publication June 22, 2018; date of current version July 17, 2018. This work was supported in part by Deanship of Research, King Fahd University of Petroleum and Minerals under Grant KAUST004, in part by King Abdulaziz City for Science and Technology under Grants EE2381 and TIC R2-FP-008, in part by the King Abdullah University of Science and Technology (KAUST) baseline funding BAS/1/1614-01-01, KAUST funding KCR/1/2081-01-01, and GEN/1/6607-01-01, and in part by KAUST-KFUPM Special Initiative (KKI) Program REP/1/2878-01-01. Corresponding author: Mohammed Zahed Mustafa Khan (e-mail: [email protected]). Publisher Copyright: © 2009-2012 IEEE.

PY - 2018/8

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N2 - We report on self-injection locking in InGaN/GaN (blue/green) and InGaP/AlGaInP (red) visible-light laser diodes. The free-space optical feedback path was accomplished via an external mirror. The effect of injection current, optical power injection ratio, and external cavity length on the spectral linewidth and modulation bandwidth of the lasers is investigated. Our results show that the laser performance was substantially improved. In particular, we achieved a significant increase of ∼57% (1.53-2.41 GHz) and ∼31% (1.72-2.26 GHz) in the modulation bandwidth, and ∼9 (1.0-0.11 nm) and ∼9 (0.63-0.07 nm) times reduction in spectral linewidth of the green and blue lasers, respectively. Consequently, side-mode-suppression-ratio was considerably increased in all the cases, reaching as high as ∼20 dB in self-injection locked blue laser diode, thus enabling a close to single-mode operation. This paper paves the way for attaining high-speed optical wireless communications by overcoming the challenges of limited modulation bandwidth and multimode operation of visible laser diodes with this simple scheme.

AB - We report on self-injection locking in InGaN/GaN (blue/green) and InGaP/AlGaInP (red) visible-light laser diodes. The free-space optical feedback path was accomplished via an external mirror. The effect of injection current, optical power injection ratio, and external cavity length on the spectral linewidth and modulation bandwidth of the lasers is investigated. Our results show that the laser performance was substantially improved. In particular, we achieved a significant increase of ∼57% (1.53-2.41 GHz) and ∼31% (1.72-2.26 GHz) in the modulation bandwidth, and ∼9 (1.0-0.11 nm) and ∼9 (0.63-0.07 nm) times reduction in spectral linewidth of the green and blue lasers, respectively. Consequently, side-mode-suppression-ratio was considerably increased in all the cases, reaching as high as ∼20 dB in self-injection locked blue laser diode, thus enabling a close to single-mode operation. This paper paves the way for attaining high-speed optical wireless communications by overcoming the challenges of limited modulation bandwidth and multimode operation of visible laser diodes with this simple scheme.

KW - Self-injection locking

KW - external cavity diode laser

KW - modulation bandwidth

KW - spectral linewidth

KW - visible light communication

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DO - 10.1109/JPHOT.2018.2849884

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JO - IEEE Photonics Journal

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M1 - 7905511

ER -

Investigation of Self-Injection Locked Visible Laser Diodes for High Bit-Rate Visible Light Communication

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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