Simultaneous quantum dash-well emission in a chirped dash-in-well superluminescent diode with spectral bandwidth >700 nm

Mohammed Zahed Mustafa Khan, Dong Kyu Cha, Mohammed Abdul Majid, Tien Khee Ng, Boon S. Ooi

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

We report on the quantitative evidence of simultaneous amplified spontaneous emission from the AlGaInAs/InAs/ InP-based quantum-well (Qwell) and quantum-dashes (Qdash) in a multistack dash-in-an-asymmetric-well superluminescent diode heterostructure. As a result, an emission bandwidth (full width at half-maximum) of 700 nm is achieved, covering entire O-E-S-C-L-U communication bands, and a maximum continuous wave output power of 1.3 mW, from this device structure. This demonstration paves a way to bridge entire telecommunication bands through proper optimization of device gain region, bringing significant advances and impact to a variety of cross-disciplinary field applications. © 2013 Optical Society of America.
Original languageEnglish (US)
Pages (from-to)3720
JournalOptics Letters
Volume38
Issue number19
DOIs
StatePublished - Sep 17 2013

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