Ultrafast Lasers and Optical Amplifiers
Physics department, IIT Madras, Chennai 600 036, India

 

Complete list of publications of Dr. Bisht| Year 2004-2008 | Year 1997-2004 | Year Before 1997

 

A. Phenomena and Systems

 

1. Ultrafast pulse generation & detection

1.1. Optical parametric amplification

(i). Sum and difference frequency generation of white light continuum with the ps pulses of Nd+3:YAG laser in a thick BBO crystal, A. Nautiyal, P. B. Bisht, Optics Communications, 278 (2007) 175-179.
(ii). Conical emission in β-barium borate under femtosecond pumping with phase matching angles away from second harmonic generation, S. Akbar Ali, P. B. Bisht*, A. Nautiyal, V. Shukla, K. S. Bindra and S. M. Oak, J. Opt. Soc. Am. B 27 (2010) 1751-1755.
(iii). Effects of thickness of β-barium borate and angle of non-collinearity on the fs pulse generation by optical parametric amplification, A. Nautiyal, P. B. Bisht, , K. S. Bindra and S. M. Oak, Optics & Laser Technology 41(2009)539-544.

(iv). Ultrafast tunable femtosecond pulse generation by chirped sum frequency mixing, S. Akbar Ali, P. B. Bisht, International Conference on Fibre Optics and Photonics, Chennai, India, 2012; p MPo.7

 

1.2. Sum frequency and fluorescence upconversion

(i). Broadly tunable parametric line emission from β- barium borate on pumping with picosecond pulses, A. Nautiyal, P. B. Bisht, Optics Communications281 (2008) 3351-3355.
(ii).
Y. Nagasawa, A. P. Yartsev, K. Tominaga, P. B. Bisht, A. E. Johnson and K. Yoshihara, Dynamical aspects of ultrafast intermolecular electron transfer faster than solvation process: substituent effects and energy gap dependence, J. Physical Chemistry 99, 653-662 (1995).

 

2. Patents filed:

(i). Prem B Bisht and Indrapal Singh Aidhen, A new dye for applications in dye laser and nonlinear optics and as a fluorescence lifetime standard , Patent application no.2643/CHE/2008 dated 30 Oct. 2008.

(ii). Prem B. Bisht and P. Sandeep: A method of detecting the change in concentration of an organic dye in a sample: Patent Application no. 602/CHE/2005 Dated 19/05/2005 03:50:09.

(iii). Prem B Bisht, Venkata Ramanaiah Dantham, CK Raman Namboodiri, Enhancement of Raman scattering signal by using photonic nanojet of a single microsphere, IN-818882-01-US-REG, March 2012

 

3. Whispering gallery modes (WGM)

Key wods are: a. Morphology dependent resonances (MDR), WGM, b. Femtosecond dephasing times (T2).

c. Microlasers, d. Single microsphere fluorescence, e. Fluorescence decay of a single microparticle, radiative rate modification.


(i). V. R. Dantham, P. B. Bisht*,Influence of whispering gallery modes (WGMs) on energy transfer, Chem. Phys 388 (2011)38-42

(ii)
. V. R. Dantham, P. B. Bisht* and C. K. R. Namboodiri,
Enhancement of Raman scattering by two orders of magnitude using photonic nanojet of a microsphere, J. Appl. Physics, 109 (2011)103103.

(iii).
V. Ramanaiah Dantham and, Prem B. Bisht, P. s. Dobhal, Whispering gallery modes and effect of coating on Raman spectra of single microspheres, (WGMs), J. Raman Spectroscopy,42(2011)1373-1378.
(iv).
V. Ramanaiah Dantham and, Prem B. Bisht, Modification of radiative rates of molecules coated on a single microcavity by evanescent coupling of whispering gallery modes (WGMs), Eur. Phys. J. Appl. Phys. 51 (2010) 20902.

(v). D. Venkata Ramanaiah and P. B. Bisht, High-Q whispering gallery modes of doped and coated single microspheres and their effect on radiative rate, J. Opt. Soc. Am. B 26(2009)290.
(vi). P. Sandeep and P. B. Bisht, Concentration sensing based on radiative rate enhancement from a single microcavity, Chem. Phys. Letters 415, 15-19 (2005).

(vii). P. Sandeep and P. B. Bisht, Photophysics of 9-amino acridine hydrochloride hydrate single microcrystals, Chemical Physics 326 pp.521-526, (2006).
(viii)
. Prem B. Bisht, Kazuhiro Fukuda and Satoshi Hirayama; Steady-state and time-resolved spectroscopy of some dyes in polymer microspheres showing morphology dependent resonances; J. Chemical Physics 105, 9349- 9361 (1996).
(ix). P. Sandeep and P. B.Bisht, Effect of adsorbed concentration on the radiative rate enhancement of photo-excited molecules embedded in single microspheres, J. Chemical Physics 123, pp 204713-204720, (2005).

(x). Raju, S. C.; Namboodiri, R. C.; Bisht, P. B., Whispering gallery modes of microcavities for sensing Applications, International Conference on Fibre Optics and Photonics, Chennai, India, 2012; p MPo.7

 

4. Distributed feedback dye lasers, Multiphoton dye lasers, New dyes probes

(i). Solvatochromism, multiphoton fluorescence, and resonance energy transfer in a new octupolar dye-pair, C. K. R. Namboodiri , P. B. Bisht, R. Mukkamala, B. Chandra and I. S. Aidhen, Chemical Physics 415 (2013) 190-195.

(ii). A new Distyrylbenzene Derivative with Weinreb Amide Functionality: An Efficient Laser Dye and Nonlinear Optical material, Basanth S. Kalanoor, Prem B. Bisht, Senthilmurugan Annamalai, Indrapal Singh Aidhen, , Journal of Luminescence 129(2009)1094-1098.

(iii). Tunable multiline distributed feedback dye laser based on the phenomenon of excitation energy transfer, Rallabandi Sailaja and Prem B. Bisht,
Organic Electronics, 8 (2007) 75-183.
(iv). Influence of multiphoton events in measurement of two-photon absorption cross-sections and optical nonlinear parameters under femtosecond pumping,
R. Sailaja, Prem B. Bisht, C. P. Singh, K. S. Bindra and S. M. Oak, Optics Communications 277 (2007) 433-439.
(v). Upconversion dye lasers: Experiments and theoretical simulations on lasing by single and multiphoton pumping under ns and ps excitation,
Rallabandi Sailaja and Prem B. Bisht,
Laser Horizon 7, 17-22 (2004).

 

 

5. Energy transfer dye lasers

(i).Tunable multiline distributed feedback dye laser based on the phenomenon of excitation energy transfer, Rallabandi Sailaja and Prem B. Bisht, Organic Electronics, 8 (2007) 75-183.
(ii).
Effect of donor-acceptor interaction strength on excitation energy migration and diffusion at high donor concentrations  Umakanta Tripathy and Prem B. Bisht, J. Chem. Phys. 125, (2006) pp. 144502 -144509.


6. Fibre lasers (figure of eight laser)

T. G. Sindhu, Prem B. Bisht, R. Justin Rajesh and M. V. Satyanarayana, Effect of higher order nonlinear dispersion in ultrashort pulse evolution in a fibre laser, Microwave and Opt. Tech. Letters 28, 196-198 (2001).

 

7. Orientational relaxation of molecules
(i). Excitation energy transfer in a weakly coupled system: Studies with time-resolved fluorescence microscopy and laser induced transient grating techniques,
K. Chandra Jena and P. B. Bisht,
Chemical Physics 314 (2005) 179-188.

(ii). Theoretical and experimental studies on photophysical parameters of N; N-bis(2,5,-di-tert- butylphenyl)-3,4:9-10-perylenebis(dicarboximide) (DBPI) by using transient grating technique, R. J. Rajesh and P. B. Bisht, Chem. Phys. Letters 357, 420-425 (2002).

 

8. Self phase modulation, White light continuum generation, Third order optical nonlinearity

(i). Ambika Nautiyal and P. B. Bisht, Sum frequency generation and parametric amplification of white light Continuum generated from water-D2o mixture under Picosecond pumping, "Progress on Tunable Lasers for Ultrafast Processes and Applications, PTLUPA6" Dec. 21-22, 2006, IIT Madras, page 42-43.
(ii).
Umakanta Tripathy and Prem B. Bisht, Simultaneous estimation of optical nonlinear refractive and absorptive parameters by solvent induced changes in optical density, Optics Communication. 261 (2006) pp. 353–358.
(iii). Study of optical nonlinearity of functionalised multi-wall carbon nanotubes by using degenerate four wave mixing and Z-scan techniques, Kailash C. Jena, Prem B. Bisht, M. M. Shaijumon and S. Ramaprabhu, Optics Communications, 273, (2007) 153-158.
(iv).
Influence of multiphoton events in measurement of two-photon absorption cross-sections and optical nonlinear parameters under femtosecond pumping, R. Sailaja, Prem B. Bisht, C. P. Singh, K. S. Bindra and S. M. Oak, Optics Communications 277 (2007) 433-439.
(v). Comparison of white light continuum generation under femtosecond and Picosecond pumping, R. Sailaja, S. Lochbrunner, E. Riedle and P. B. Bisht, Proc. of "Progress on Tunable Lasers for Ultrafast Processes and Applications, PTLUPA6" Dec. 21-22, 2006, IIT Madras, page 13-14.
(vi).
Basanth S. Kalanoor, Prem B. Bisht, Wavelength dependent resonant nonlinearities in a standard saturable absorber IR26 on picosecond time scale,
Optics Communications (2010) (in Press).

 

9. Carbon nanotubes and Graphenes , Plasmonics with metal naoparticles

(i). B. S. Kalanoor , S. A. Ali, P. B. Bisht*,A. Patra and S. Kasiviswanathan, Enhanced SWIR third order nonlinearity of gold nanoparticle embedded ZnO thin films, J. Opt. Soc. Am. B 30 (2013) 2226-2232.

 (ii). B. S. Kalanoor , S. A. Ali, P. B. Bisht*, T. T. Baby, S. Ramaprabhu, Optical nonlinearity of silver decorated graphene J. Opt. Soc. Am. B 29 (2012) 669 - 675.

 (iii). V. R. Dantham, P. B. Bisht*, B. S. Kalanoor, T. T. Baby, S. Ramaprabhu, Restricting charge transfer in dye-graphene system, Chem. Phys. Letters 521 (2012) 130-133

(iv). Kailash C. Jena, Prem B. Bisht, M. M. Shaijumon and S. Ramaprabhu, Study of optical nonlinearity of functionalised multi-wall carbon nanotubes by using degenerate four wave mixing and Z-scan techniques, Optics Communications, 273, (2007) 153-158.

 

 

 

B. Experimental Techniques

(i) Time-correlated single photon counting technique of fluorescence lifetimes (IDRP, IIT Madras).

Time-resolved fluorescence microscopy of single microparticles, P. Sandeep and Prem B. Bisht, Photophysics of 9-amino acridine hydrochloride hydrate single microcrystals, Chemical Physics 326 (2006) pp.521-526.

(ii). Autocorrelation
(i). Dispersion free autocorrelator for femtosecond pulses (NLS 2009), Delhi.
(ii). Computer controlled femtosecond optical delay line for ultrafast optics and spectroscopy, R. Justin Rajesh, T. S. Natarajan and Prem B. Bisht,
Indian J. Pure & Applied Physics, 39, 636 - 639 (2001).

(iii). Laser induced transient grating
Theoretical and experimental studies on photophysical parameters of N; N-bis(2,5,-di-tert- butylphenyl)-3,4:9-10-perylenebis(dicarboximide) (DBPI) by using transient grating technique, R. J. Rajesh and P. B. Bisht, Chem. Phys. Letters 357, 420-425 (2002).

(iv). Fluorescence microscopy
Cavity quantum electrodynamic effects and control of radiative rate of 9-amino acridine hydrochloride hydrate, P. Sandeep and Prem B. Bisht, Chem. Phys. Letters 371, 327-332 (2003).

(v). Confocal optics in fluorescence microscope under IDRP (IITM)
Resolution of a micrometer by confocal fluorescence microscopy in laser dye embedded multi layer polymer films, Ambika Nautiyal, P. Sandeep and Prem B. Bisht, Proc. National Symposium on Radiation and Photochemistry(NSRP – 2005) Karnataka University, Dharwad, Jan. 17 – 19, 2005, page. PC-41.

 

C. Other work 

(a). Exciplex formation /ESIPT

a.1. Under Supersonic free jet
Exciplex formation in vdW complex of naphthalene- triethylamine system in supersonic free jet expansions, Prem B. Bisht, Hrvoje Petek and Keitaro Yoshihara, Chemical Physics Letters 213, 75-83 (1993). (Rates of exciplex formations appear vibrational frequency dependent!)

a.2. Condensed phase

(i). Experimental and theoretical studies of the Proton-hoping in 7-hydroxyquinoline dissolved in viscous hydroxylic media:,Garcia-Ochoa, A. Douhal, P. B. Bisht, F. Sanchez, E. Martinez-Ataz, L. Santos and H. B. Tripathi, J. Phys. Chem. A 102, 8871-8880 (1998).

(ii). Cryogenic studies, site selectivity and discrete fluorescence in salicylic acid dimer, P. B. Bisht, H. B. Tripathi and D. D. Pant, J. Photochemistry & Photobiology, A : Chemistry 90, 103-108 (1995).

 

(b). ESIPT under high pressure

Prem B Bisht, Massami Okamoto and Satoshi Hirayama, Effect of high pressure on enol-keto tautomerization in salicylic acid: a study by steady-state absorption and fluorescence measurements, J. Physical Chemistry 101, 8850-8855 (1997).

(c). Absorption and luminescence at low temperature (10K, 80K)

(i). Reinvestigation of photophysics of 2-naphthol-amine hydrogen bonded system, P. B. Bisht, H. B. Tripathi and D. D. Pant; Chemical Physics 147, 173-187 (1990).

(ii). Cryogenic studies, site selectivity and discrete fluorescence in salicylic acid dimer, P. B. Bisht, H. B. Tripathi and D. D. Pant, J. Photochemistry & Photobiology, A : Chemistry 90, 103-108 (1995).

(d). Exciplex, triplex and charge transfer in Condensed phase (Nonfluorescence exciplex formation)

(i). Time-resolved spectroscopy of 2-naphthol-triethylamine charge-transfer complexes in polar and nonpolar solvents, P. B. Bisht, G. C. Joshi, H. B. Tripathi and D. D. Pant; Chem. Phys. Letters 142 , 291-297(1987).

(ii). Excited state hydrogen bonding of 2-naphthol-triethylamine system in 1,4- dioxane, P. B. Bisht, G. C. Joshi and H. B. Tripathi, Chem. Phys. Letters 237, 356-360 (1995).

(iii). Ambika Nautiyal, Prem B. Bisht, Steady state and time-resolved studies of pyrene in solution and in single microcrystals,
Journal of Luminescence 130 (2010)1829-1833.

 

 

(v). Solvated electron in Indole

Femtosecond transient spectroscopy of the photoionization of indole in water, Femtochemistry and Femtobiology: T. Bizjak, P. B. Bisht, S. Lochbrunner, and E. Riedle Ultrafast Events in Molecular Science, M. M. Martin and J. T. Hynes, eds. (Elsevier, Amsterdam, 2004), 229-232.

(e). ESIPT under supersonic free jet. Decay rate measurements
Excited state enol-keto tautomerisation in salicylic acid: A supersonic free jet study, Prem B. Bisht, Hrvoje Petek, Keitaro Yoshihara and Umpei Nagashima,
J. Chemical Physics 103, 5290-5307 (1995).

 

 

 

 

 

 

 

 

 

 

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