NDLI: Long-Wavelength VCSEL Using High-Contrast Grating

Content Provider	IEEE Xplore Digital Library
Author	Yi Rao Weijian Yang Chase, C. Huang, M.C.Y. Worland, D.D.P. Khaleghi, S. Chitgarha, M.R. Ziyadi, M. Willner, A.E. Chang-Hasnain, C.J.
Copyright Year	1995
Abstract	Recent advances in high-contrast grating (HCG) vertical-cavity surface-emitting lasers (VCSEL) emitting at 1550 nm is reported in this paper. The novel near-wavelength HCG has an ultrathin structure and broadband reflectivity. It enables a monolithic, simple fabrication process for realizing InP-based VCSELs emitting at ~1550 nm. We report 2.4-mW single-mode output under continuous-wave operation at 15°C. We show that, despite broadened by the Brownian motion, the HCG-VCSEL has a total linewidth of 60 MHz or a coherent length of 5 m in air, and an intrinsic linewidth <;20 MHz. Transmission of directly modulated 10 Gbps over 100-km dispersion-compensated single-mode fiber is demonstrated. Tunable HCG-VCSEL is demonstrated with the HCG integrated with a micro-electro-mechanical structure. Continuous wavelength tuning as wide as 26.3 nm is achieved. The tunable VCSEL was used as a source for external modulation for 40-Gbps differential-phase-shift-keyed signal and transmitted over 100-km dispersion-compensated link with negligible power penalty.
Sponsorship	IEEE Lasers and Electro-Optics Society
Starting Page	1701311
Ending Page	1701311
Page Count	1
File Size	854725
File Format	PDF
ISSN	1077260X
Volume Number	19
Issue Number	4
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-07-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Vertical cavity surface emitting lasers Reflectivity Gratings Optical fiber communication Delay Micromechanical devices Fiber lasers vertical-cavity surface-emitting laser (VCSEL) High-contrast subwavelength grating laser linewidth optical MEMS optical communication
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Electrical and Electronic Engineering

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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