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Kamaraju, N and Kumar, Sunil and Karthikeyan, B and Kakade, Bhalchandra and Pillai, Vijayamohanan K and Sood, AK (2009) Ultrafast Switching Time and Third Order Nonlinear Coefficients of Microwave Treated Single Walled Carbon Nanotube Suspensions. In: International Conference on Nanoscience and Technology, FEB 27-29, 2008, Chennai, India, pp. 5550-5554.
Kamaraju, N and Kumar, Sunil and Saha, Surajit and Singh, Surjeet and Suryanarayanan, R and Revcolevschi, A and Sood, AK (2011) Coherent phonons in pyrochlore titanates A(2)Ti(2)O(7) (A = Dy, Gd, Tb): A phase transition in Dy2Ti2O7 at 110 K. In: Physical Review B: Condensed Matter and Materials Physics, 83 (13).
Kamaraju, N and Kumar, Sunil and Anija, M and Sood, AK (2010) Large-amplitude chirped coherent phonons in tellurium mediated by ultrafast photoexcited carrier diffusion. In: Physical Review B: Condensed Matter and Materials Physics, 82 (19).
Kamaraju, N and Kumar, Sunil and Sood, AK (2010) Temperature-dependent chirped coherent phonon dynamics in Bi2Te3 using high-intensity femtosecond laser pulses. In: EPL: Europhysics Letters, 92 (4). p. 47007.
Kumar, Sunil and Kamaraju, N and Vasu, KS and Nag, Angshuman and Sood, AK and Rao, CNR (2010) Graphene analogue BCN: Femtosecond nonlinear optical susceptibility and hot carrier dynamics. In: Chemical Physics Letters, 499 (1-3). pp. 152-157.
Kumar, Sunil and Kamaraju, N and Karthikeyan, B and Tondusson, M and Freysz, E and Sood, AK (2010) Terahertz Spectroscopy of Single-Walled Carbon Nanotubes in a Polymer Film: Observation of Low-Frequency Phonons. In: Journal of Physical Chemistry C, 114 (29). pp. 12446-12450.
Kumar, Sunil and Kamaraju, N and Karthikeyan, B and Tondusson, M and Freysz, E and Sood, AK (2010) Direct observation of low frequency confined acoustic phonons in silver nanoparticles: Terahertz time domain spectroscopy. In: Journal of Chemical Physics, 133 (1). 014502-014505.
Kamaraju, N and Kumar, Sunil and Freysz, Eric and Sood, AK (2010) Influence of two photon absorption induced free carriers on coherent polariton and phonon generation in ZnTe crystals. In: Journal of Applied Physics, 107 (10). p. 103102.
Kumar, Sunil and Anija, M and Kamaraju, N and Vasu, KS and Subrahmanyam, KS and Sood, AK and Rao, CNR (2009) Femtosecond carrier dynamics and saturable absorption in graphene suspensions. In: Applied physics letters, 95 (19).
Kamaraju, N and Kumar, Sunil and Kim, Y A and Hayashi, T and Muramatsu, H and Endo, M and Sood, A K (2009) Double walled carbon nanotubes as ultrafast optical switches. In: Applied Physics Letters, 95 (8). 081106-081109.
Kamaraju, N and Kumar, Sunil and Karthikeyan, B and Moravsky, Alexander and Loutfy, RO and Sood, AK (2008) Ultrafast electron dynamics and cubic optical nonlinearity of freestanding thin film of double walled carbon nanotubes. In: Applied Physics Letters, 93 (9). 091903-1-091903-3.
Kamaraju, N and Kumar, Sunil and Sood, AK and Guha, Shekhar and Krishnamurthy, Srinivasan and Rao, CNR (2007) Large nonlinear absorption and refraction coefficients of carbon nanotubes estimated from femtosecond z-scan measurements. In: Applied Physics Letters, 91 (25). 251103-1-251103-3.
Ghosh, Shankar and Kamaraju, N and Seto, M and Fujimori, A and Takeda, Y and Ishiwata, S and Kawasaki, S and Azuma, M and Takano, M and Sood, AK (2005) Raman scattering in $CaFeO_{3}$ and $La_{0.33}Sr_{0.67}FeO_{3}$ across the charge-disproportionation phase transition. In: Physical Review B, 71 (24).
