O
Ojas P. Kulkarni
Researcher at University of Michigan
Publications - 14
Citations - 656
Ojas P. Kulkarni is an academic researcher from University of Michigan. The author has contributed to research in topics: Supercontinuum & Optical fiber. The author has an hindex of 6, co-authored 14 publications receiving 613 citations.
Papers
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Journal ArticleDOI
Mid-infrared supercontinuum generation to 4.5 μm in ZBLAN fluoride fibers by nanosecond diode pumping
Chenan Xia,Malay Kumar,Ojas P. Kulkarni,Mohammed N. Islam,Fred L. Terry,Michael J. Freeman,Marcel Poulain,Gwenael Maze +7 more
TL;DR: A mid-infrared supercontinuum (SC) is generated in ZBLAN fluoride fibers from amplified nanosecond laser diode pulses with a continuous spectrum from approximately 0.8 microm to beyond 4.5 microm.
Journal ArticleDOI
Supercontinuum generation from ~19 to 45 μmin ZBLAN fiber with high average power generation beyond 38 μm using a thulium-doped fiber amplifier
Ojas P. Kulkarni,Vinay V. Alexander,Malay Kumar,Michael J. Freeman,Mohammed N. Islam,Fred L. Terry,Manickam Neelakandan,Allan Chan +7 more
TL;DR: In this paper, a mid-IR supercontinuum (SC) fiber laser based on a thulium-doped fiber amplifier (TDFA) is demonstrated with a continuous spectrum extending from ∼1.9 to 4.5 μm.
Journal ArticleDOI
Modulation instability initiated high power all-fiber supercontinuum lasers and their applications
Vinay V. Alexander,Ojas P. Kulkarni,Malay Kumar,Chenan Xia,Mohammed N. Islam,Fred L. Terry,Michael J. Welsh,Kevin Ke,Michael J. Freeman,Manickam Neelakandan,Allan Chan +10 more
TL;DR: In this article, the authors proposed a high average power, all-fiber integrated, broadband supercontinuum (SC) sources using amplified picosecond/nanosecond laser diode (LD) pulses followed by modulation instability induced pulse breakup is presented and used to demonstrate SC sources from the mid-IR to the visible wavelengths.
Journal ArticleDOI
Third order cascaded Raman wavelength shifting in chalcogenide fibers and determination of Raman gain coefficient
Ojas P. Kulkarni,Chenan Xia,Dong-Joon Lee,Malay Kumar,Amos Kuditcher,Mohammed N. Islam,Fred L. Terry,Michael J. Freeman,Bruce G. Aitken,Stephen Charles Currie,Joseph Edward McCarthy,Mark L. Powley,Daniel A. Nolan +12 more
TL;DR: Third order cascaded Raman shifting is used to generate light to 1867 nm in sulfide fibers, and the nonlinearity is measured to be ~5.7 times 10-12 (m/W), which limits the wavelength shift range.
Journal ArticleDOI
Supercontinuum Generation in Silica Fibers by Amplified Nanosecond Laser Diode Pulses
Chenan Xia,Malay Kumar,Ming Yuan Cheng,Ojas P. Kulkarni,Mohammed N. Islam,Almantas Galvanauskas,Fred L. Terry,Michael J. Freeman,D.A. Nolan,William A. Wood +9 more
TL;DR: In this paper, a supercontinuum (SC) with a continuous spectrum from 0.8-3 mum is generated in a standard single-mode fiber followed by high-nonlinearity fiber.