Lasing mode behavior of a single-mode MQW laser injected with TM polarized light

Author

Yasaka, Hiroshi ; Naganuma, Mitsuru

Author_Institution

NTT Opto-electron. Labs., Kanagawa, Japan

Volume

29

Issue

2

fYear

1993

fDate

2/1/1993 12:00:00 AM

Firstpage

361

Lastpage

367

Abstract

The lasing mode behavior of a multiple quantum well (MQW) distributed feedback (DFB) laser was measured when intensity-modulated orthogonally polarized transverse magnetic (TM) mode light was injected. The 3-dB bandwidth of the frequency response shows a trend different from that observed with conventional bias current modulation: at high bias currents, it decreases with increasing bias current. The maximum bandwidth of 3 dB was observed when the normalized bias current was 4, and it reached 16 GHz at this bias current. The gain saturation coefficients for the transverse electric (TE) and TM modes estimated from these results were ∈_p^E; 2.5×10^-17 cm³ and ∈_q^E 5.7×10^-18 cm³ for the TE mode, and ∈_p^M: 6.0×10^-17 cm³ and ∈_q^M: 2.0×10^-14 cm³ for the TM mode

Keywords

distributed feedback lasers; laser modes; light polarisation; optical saturation; semiconductor lasers; 16 GHz; DFB laser; TE modes; TM polarized light; bandwidth; bias currents; distributed feedback; frequency response; gain saturation coefficients; intensity modulated orthogonally polarised light; lasing mode behavior; multiple quantum well; semiconductor laser; single-mode MQW laser; transverse electric modes; Bandwidth; Distributed feedback devices; Frequency response; Laser feedback; Laser modes; Optical polarization; Quantum well devices; Quantum well lasers; Saturation magnetization; Tellurium;

fLanguage

English

Journal_Title

Quantum Electronics, IEEE Journal of

Publisher

ieee

ISSN

0018-9197

Type

jour

DOI

10.1109/3.199290

Filename

199290